CDW

cdw-20260805

0001402057False001-3598500014020572026-08-052026-08-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 5, 2026

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989

(State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue

Vernon Hills, Illinois 60061

(Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000

None

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered

Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

CDW Corporation (the “Company”) is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 5, 2026 announcing its second quarter 2026 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 5, 2026 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results.

The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 8.01. Other Events.

Quarterly Cash Dividend

On August 5, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on September 10, 2026 to all stockholders of record as of the close of business on August 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description

99.1

Press release dated August 5, 2026, announcing second quarter 2026 financial results.

99.2

Press release dated August 5, 2026, announcing dividend declaration.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: August 5, 2026By:/s/ Albert J. Miralles

Albert J. Miralles

Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-20260506

0001402057False001-3598500014020572026-05-062026-05-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 6, 2026

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989

(State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue

Vernon Hills, Illinois 60061

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000

None

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered

Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition.

CDW Corporation (the “Company”) is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 6, 2026 announcing its first quarter 2026 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 6, 2026 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results.

The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 8.01. Other Events.

Quarterly Cash Dividend

On May 6, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on June 10, 2026 to all stockholders of record as of the close of business on May 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

Exhibit No. Description

99.1

Press release dated May 6, 2026, announcing first quarter 2026 financial results.

99.2

Press release dated May 6, 2026, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: May 6, 2026By:/s/ Albert J. Miralles

Albert J. Miralles

Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-202602040001402057False00014020572026-02-042026-02-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  February 4, 2026

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 4, 2026 announcing its fourth quarter and full year 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 4, 2026 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On February 4, 2026, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on March 10, 2026 to all stockholders of record as of the close of business on February 25, 2026. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description 99.1 Press release dated February 4, 2026, announcing fourth quarter and full year 2025 financial results.

99.2 Press release dated February 4, 2026, announcing dividend declaration.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: February 4, 2026 By:/s/ Albert J. Miralles Albert J. Miralles Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-202511040001402057False001-3598500014020572025-11-042025-11-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  November 4, 2025

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated November 4, 2025 announcing its third quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on November 4, 2025 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On November 4, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.630 per common share to be paid on December 10, 2025 to all stockholders of record as of the close of business on November 25, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated November 4, 2025, announcing third quarter 2025 financial results.

99.2 Press release dated November 4, 2025, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: November 4, 2025By:/s/ Albert J. Miralles Albert J. Miralles Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-202508060001402057False001-3598500014020572025-08-062025-08-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  August 6, 2025

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 6, 2025 announcing its second quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 6, 2025 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On August 6, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.625 per common share to be paid on September 10, 2025 to all stockholders of record as of the close of business on August 25, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated August 6, 2025, announcing second quarter 2025 financial results.

99.2 Press release dated August 6, 2025, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: August 6, 2025By:/s/ Albert J. Miralles Albert J. Miralles Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-202505070001402057False001-3598500014020572025-05-072025-05-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  May 7, 2025

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 7, 2025 announcing its first quarter 2025 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 7, 2025 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On May 7, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.625 per common share to be paid on June 10, 2025 to all stockholders of record as of the close of business on May 26, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated May 7, 2025, announcing first quarter 2025 financial results.

99.2 Press release dated May 7, 2025, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: May 7, 2025By:/s/ Albert J. Miralles Albert J. Miralles Chief Financial Officer and Executive Vice President, Enterprise Business Operations

cdw-202502050001402057FalseFebruary 5, 2025Vernon HillsIllinois00014020572025-02-052025-02-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  February 5, 2025

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(IRS Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 5, 2025 announcing its fourth quarter and full year 2024 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 5, 2025 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On February 5, 2025, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.625 per common share to be paid on March 11, 2025 to all stockholders of record as of the close of business on February 25, 2025. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Share Repurchase Program The Company’s Board of Directors authorized a $750 million increase to the Company’s share repurchase program under which the Company may repurchase shares of its common stock in the open market or through privately negotiated or other transactions. The timing and amounts of any purchases will be based on market conditions and other factors including but not limited to price, regulatory requirements, and capital availability. The increase to the share repurchase program is effective immediately and is incremental to the $588 million unused in the repurchase program as of December 31, 2024. The Company intends to conduct any open market share repurchases in compliance with the safe harbor provisions of Rule 10b-18 of the Exchange Act. The share repurchase program does not obligate the Company to repurchase any dollar amount or number of its shares, and repurchases may be modified, suspended or discontinued from time to time without prior notice. Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description 99.1 Press release dated February 5, 2025, announcing fourth quarter and full year 2024 financial results.

99.2 Press release dated February 5, 2025, announcing share repurchase program increase and dividend declaration.

104 Cover Page In

cdw-202410300001402057False00014020572024-10-302024-10-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  October 30, 2024

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated October 30, 2024 announcing its third quarter 2024 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on October 30, 2024 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On October 30, 2024, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.625 per common share to be paid on December 10, 2024 to all stockholders of record as of the close of business on November 25, 2024. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated October 30, 2024, announcing third quarter 2024 financial results.

99.2 Press release dated October 30, 2024, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: October 30, 2024By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202407310001402057False00014020572024-07-312024-07-31

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  July 31, 2024

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated July 31, 2024 announcing its second quarter 2024 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on July 31, 2024 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On July 31, 2024, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.62 per common share to be paid on September 10, 2024 to all stockholders of record as of the close of business on August 26, 2024. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated July 31, 2024, announcing second quarter 2024 financial results.

99.2 Press release dated July 31, 2024, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: July 31, 2024By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202405010001402057False00014020572024-05-012024-05-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  May 1, 2024

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 1, 2024 announcing its first quarter 2024 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 1, 2024 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On May 1, 2024, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.62 per common share to be paid on June 11, 2024 to all stockholders of record as of the close of business on May 24, 2024. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated May 1, 2024, announcing first quarter 2024 financial results.

99.2 Press release dated May 1, 2024, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: May 1, 2024By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202402070001402057FalseFebruary 7, 2024Vernon HillsIllinois00014020572024-02-072024-02-07

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  February 7, 2024

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 7, 2024 announcing its fourth quarter and full year 2023 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 7, 2024 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On February 7, 2024, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.62 per common share to be paid on March 12, 2024 to all stockholders of record as of the close of business on February 26, 2024. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Share Repurchase Program The Company’s Board of Directors authorized a $750 million increase to the Company’s share repurchase program under which the Company may repurchase shares of its common stock in the open market or through privately negotiated or other transactions, depending on share price, market conditions and other factors. The increase to the share repurchase program is effective immediately and is incremental to the $338 million unused in the repurchase program as of December 31, 2023. The Company intends to conduct any open market share repurchases in compliance with the safe harbor provisions of Rule 10b-18 of the Exchange Act. The share repurchase program does not obligate the Company to repurchase any dollar amount or number of its shares, and repurchases may be commenced or suspended from time to time without prior notice. Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description 99.1 Press release dated February 7, 2024, announcing fourth quarter and full year 2023 financial results.

99.2 Press release dated February 7, 2024, announcing share repurchase program increase and dividend declaration.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the S

cdw-202311010001402057FalseVernon HillsIllinoisNovember 1, 202300014020572023-11-012023-11-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  November 1, 2023

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60061 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated November 1, 2023 announcing its third quarter 2023 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on November 1, 2023 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On November 1, 2023, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.62 per common share to be paid on December 12, 2023 to all stockholders of record as of the close of business on November 24, 2023. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated November 1, 2023, announcing third quarter 2023 financial results.

99.2 Press release dated November 1, 2023, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: November 1, 2023By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202308020001402057FalseVernon HillsIllinoisAugust 2, 202300014020572023-08-022023-08-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  August 2, 2023

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

200 N. Milwaukee Avenue Vernon Hills, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 2, 2023 announcing its second quarter 2023 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 2, 2023 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On August 2, 2023, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.59 per common share to be paid on September 12, 2023 to all stockholders of record as of the close of business on August 25, 2023. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated August 2, 2023, announcing second quarter 2023 financial results.

99.2 Press release dated August 2, 2023, announcing dividend declaration.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: August 2, 2023By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202305030001402057FalseLincolnshireIllinoisMay 3, 202300014020572023-05-032023-05-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  May 3, 2023

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 3, 2023 announcing its first quarter 2023 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 3, 2023 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On May 3, 2023, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.59 per common share to be paid on June 13, 2023 to all stockholders of record as of the close of business on May 25, 2023. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated May 3, 2023, announcing first quarter 2023 financial results.

99.2 Press release dated May 3, 2023, announcing dividend declaration.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: May 3, 2023By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202304180001402057FalseLincolnshireIllinoisApril 18, 202300014020572023-04-182023-04-18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  April 18, 2023

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated April 18, 2023 (the "Press Release"), which announced certain preliminary estimates of financial data as of and for the three months ended March 31, 2023. The Press Release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The information contained under this Item 2.02 (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated April 18, 2023

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: April 18, 2023By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202302080001402057FalseFebruary 8, 2023LincolnshireIllinois00014020572023-02-082023-02-08

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  February 8, 2023

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 8, 2023 announcing its fourth quarter 2022 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 8, 2023 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On February 8, 2023, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.59 per common share to be paid on March 10, 2023 to all stockholders of record as of the close of business on February 24, 2023. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description 99.1 Press release dated February 8, 2023, announcing fourth quarter 2022 financial results.

99.2 Press release dated February 8, 2023, announcing dividend declaration.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: February 8, 2023 By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202211020001402057FalseLincolnshireIllinoisNovember 2, 202200014020572022-11-022022-11-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  November 2, 2022

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated November 2, 2022 announcing its third quarter 2022 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on November 2, 2022 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On November 2, 2022, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.59 per common share to be paid on December 9, 2022 to all stockholders of record as of the close of business on November 25, 2022. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated November 2, 2022, announcing third quarter 2022 financial results.

99.2 Press release dated November 2, 2022, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: November 2, 2022By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202208030001402057FalseLincolnshireIllinoisAugust 3, 202200014020572022-08-032022-08-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  August 3, 2022

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated August 3, 2022 announcing its second quarter 2022 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on August 3, 2022 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On August 3, 2022, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.50 per common share to be paid on September 9, 2022 to all stockholders of record as of the close of business on August 25, 2022. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated August 3, 2022, announcing second quarter 2022 financial results.

99.2 Press release dated August 3, 2022, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: August 3, 2022By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202205040001402057FalseLincolnshireIllinoisMay 4, 202200014020572021-11-032021-11-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  May 4, 2022

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated May 4, 2022 announcing its first quarter 2022 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on May 4, 2022 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On May 4, 2022, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.50 per common share to be paid on June 10, 2022 to all stockholders of record as of the close of business on May 25, 2022. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.    Description 99.1 Press release dated May 4, 2022, announcing first quarter 2022 financial results.

99.2 Press release dated May 4, 2022, announcing dividend declaration.

104  Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: May 4, 2022By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer

cdw-202202090001402057FalseFebruary 9, 2022LincolnshireIllinois00014020572022-02-092022-02-09

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported):  February 9, 2022

CDW CORPORATION

(Exact name of registrant as specified in its charter)

Delaware001-3598526-0273989 (State or other jurisdiction of incorporation or organization)(Commission File Number)(I.R.S. Employer Identification No.)

75 Tri-State International Lincolnshire, Illinois 60069 (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (847) 465-6000 None (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Common stock, par value $0.01 per shareCDWNasdaq Global Select Market Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition. CDW Corporation (the "Company") is furnishing under cover of this Current Report on Form 8-K a copy of its press release dated February 9, 2022 announcing its fourth quarter 2021 financial results. The press release is attached to this report as Exhibit 99.1 and incorporated herein by reference. The Company is furnishing this information in connection with its previously announced webcast conference call to be held on February 9, 2022 at 8:30 a.m. ET / 7:30 a.m. CT to discuss these results. The information contained under Item 2.02 of this Current Report on Form 8-K (including Exhibit 99.1) is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing. Item 8.01. Other Events. Quarterly Cash Dividend On February 9, 2022, the Company also announced that its Board of Directors has declared a quarterly cash dividend of $0.50 per common share to be paid on March 10, 2022 to all stockholders of record as of the close of business on February 25, 2022. A copy of the press release announcing the declaration of the quarterly cash dividend is attached to this report as Exhibit 99.2 and incorporated herein by reference. Item 9.01. Financial Statements and Exhibits.

Exhibit No.Description 99.1 Press release dated February 9, 2022, announcing fourth quarter 2021 financial results.

99.2 Press release dated February 9, 2022, announcing dividend declaration.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CDW CORPORATION

Date: February 9, 2022 By:/s/ Albert J. Miralles Albert J. Miralles Senior Vice President and Chief Financial Officer