QDEL

qdel-202602110001906324false00019063242026-02-112026-02-11

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 11, 2026

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On February 11, 2026, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its fourth quarter and full year ended December 28, 2025 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on February 11, 2026 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated February 11, 2026, reporting QuidelOrtho Corporation's financial results for its fourth quarter and full year ended December 28, 2025.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: February 11, 2026

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202511050001906324false00019063242025-11-052025-11-05

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): November 5, 2025

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On November 5, 2025, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its third quarter ended September 28, 2025 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on November 5, 2025 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated November 5, 2025, reporting QuidelOrtho Corporation's financial results for its third quarter ended September 28, 2025.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: November 5, 2025

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202508050001906324false00019063242025-08-052025-08-05

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, 2025

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On August 5, 2025, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its second quarter ended June 29, 2025 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on August 5, 2025 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated August 5, 2025, reporting QuidelOrtho Corporation's financial results for its second quarter ended June 29, 2025.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: August 5, 2025

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202505070001906324false00019063242025-05-072025-05-07

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

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On May 7, 2025, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its first quarter ended March 30, 2025 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on May 7, 2025 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated May 7, 2025, reporting QuidelOrtho Corporation's financial results for its first quarter ended March 30, 2025.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: May 7, 2025

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202502120001906324false00019063242025-02-122025-02-12

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 12, 2025

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On February 12, 2025, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its fourth quarter and full year ended December 29, 2024 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on February 12, 2025 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated February 12, 2025, reporting QuidelOrtho Corporation's financial results for its fourth quarter and full year ended December 29, 2024.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: February 12, 2025

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202501130001906324false00019063242025-01-132025-01-13

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): January 13, 2025

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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 if 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.

On January 13, 2025, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing its preliminary unaudited revenue results for its fourth quarter ended December 29, 2024. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press Release issued by QuidelOrtho Corporation dated January 13, 2025.

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL Document.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This financial information set forth in this Form 8-K contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are any statement contained herein that is not strictly historical, including, but not limited to, QuidelOrtho’s preliminary unaudited revenues for the fourth quarter ended December 29, 2024, and other preliminary estimates or future financial condition and operating results, and other plans, objectives, strategies, expectations and intentions. The preliminary financial information for the fourth quarter ended December 29, 2024, set forth in this Form 8-K represents preliminary and unaudited estimates, and such estimates are inherently uncertain and subject to change as QuidelOrtho completes the preparation of its consolidated financial statements and related notes and completes its financial close procedures for the year ended December 29, 2024. Final financial results may therefore vary from the estimates set forth in this 8-K, and such variations to the preliminary unaudited estimates may be material. You should not rely on forward-looking statements as predictions of future events because these estimates are based on assumptions that may not come true and are speculative by their nature. All forward-looking statements are based on information currently available to QuidelOrtho and speak only as of the date hereof. QuidelOrtho undertakes no obligation to update any of the forward-looking information or time-sensitive information included in this Form 8-K, whether as a result of new information, future events, changed expectations or otherwise, except as required by law.

SIGNATURES

P

qdel-202411070001906324false00019063242024-11-072024-11-07

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): November 7, 2024

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On November 7, 2024, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its third quarter ended September 29, 2024 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on November 7, 2024 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated November 7, 2024, reporting QuidelOrtho Corporation's financial results for its third quarter ended September 29, 2024.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: November 7, 2024

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202407310001906324false00019063242024-07-312024-07-31

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

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On July 31, 2024, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its second quarter ended June 30, 2024 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on July 31, 2024 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated July 31, 2024, reporting QuidelOrtho Corporation's financial results for its second quarter ended June 30, 2024.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: July 31, 2024

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202405080001906324false00019063242024-05-082024-05-08

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): May 8, 2024

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On May 8, 2024, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its first quarter ended March 31, 2024 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on May 8, 2024 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated May 8, 2024, reporting QuidelOrtho Corporation's financial results for its first quarter ended March 31, 2024.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: May 8, 2024

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202402130001906324false00019063242024-02-132024-02-13

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 13, 2024

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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 if 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.

On February 13, 2024, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its fourth quarter and full year ended December 31, 2023 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on February 13, 2024 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated February 13, 2024, reporting QuidelOrtho Corporation's financial results for its fourth quarter and full year ended December 31, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: February 13, 2024

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202311010001906324false00019063242023-11-012023-11-01

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

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On November 1, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its third quarter ended October 1, 2023 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on November 1, 2023 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated November 1, 2023, reporting QuidelOrtho Corporation's financial results for its third quarter ended October 1, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: November 1, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202310120001906324false00019063242023-10-122023-10-12

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 12, 2023

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On October 12, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing its preliminary revenue results for its fiscal third quarter ended October 1, 2023. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits.

The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press Release issued by QuidelOrtho Corporation dated October 12, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL Document.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The financial information set forth in this Form 8-K reflects QuidelOrtho’s current preliminary revenue estimates, and is subject to adjustments based on QuidelOrtho’s completion of its quarter-end financial close process. QuidelOrtho’s actual third quarter results may differ significantly from the preliminary estimates provided in this Form 8-K. You should not rely on these preliminary estimates as predictions of actual results because these estimates are based on assumptions that may not come true and are speculative by their nature. QuidelOrtho has no obligation to update any of the forward-looking information included in this Form 8-K, whether as a result of new information, future events, changed expectations or otherwise, except as required by law. All forward-looking statements are based on information currently available to QuidelOrtho and speak only as of the date hereof.

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.

Date: October 12, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202308080001906324false00019063242023-08-082023-08-08

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): August 8, 2023

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On August 8, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its second quarter ended July 2, 2023 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on August 8, 2023 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated August 8, 2023, reporting QuidelOrtho Corporation's financial results for its second quarter ended July 2, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: August 8, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202305030001906324false00019063242023-05-032023-05-03

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

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On May 3, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its first quarter ended April 2, 2023 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on May 3, 2023 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated May 3, 2023, reporting QuidelOrtho Corporation's financial results for its first quarter ended April 2, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: May 3, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202304130001906324false00019063242023-04-132023-04-13

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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 13, 2023

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock Market

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

On April 13, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing its preliminary revenue results for its fiscal first quarter ended April 2, 2023. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits.

The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press Release issued by QuidelOrtho Corporation dated April 13, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL Document.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The financial information set forth in this Form 8-K reflects QuidelOrtho’s current preliminary revenue estimates, and is subject to adjustments based on QuidelOrtho’s completion of its quarter-end financial close process. QuidelOrtho’s actual first quarter results may differ significantly from the preliminary estimates provided in this Form 8-K. You should not rely on these preliminary estimates as predictions of actual results because these estimates are based on assumptions that may not come true and are speculative by their nature. QuidelOrtho has no obligation to update any of the forward-looking information included in this Form 8-K, whether as a result of new information, future events, changed expectations or otherwise, except as required by law. All forward-looking statements are based on information currently available to QuidelOrtho and speak only as of the date hereof.

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.

Date: April 13, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202302150001906324false00019063242023-02-152023-02-15

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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 15, 2023

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock Market

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

On February 15, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its fourth quarter and full year ended January 1, 2023 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on February 15, 2023 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated February 15, 2023, reporting QuidelOrtho Corporation's financial results for its fourth quarter and full year ended January 1, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: February 15, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202301060001906324false00019063242023-01-062023-01-06

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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): January 6, 2023

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock Market

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

On January 6, 2023, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing its preliminary revenue results for its fiscal fourth quarter and full year ended January 1, 2023. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits.

The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press Release issued by QuidelOrtho Corporation dated January 6, 2023.

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL Document.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The financial information set forth in this Form 8-K reflects QuidelOrtho’s current preliminary revenue estimates, and is subject to adjustments based on QuidelOrtho’s completion of its year-end financial close process. QuidelOrtho’s actual fourth quarter and full year results may differ significantly from the preliminary estimates provided in this Form 8-K. You should not rely on these preliminary estimates as predictions of actual results because these estimates are based on assumptions that may not come true and are speculative by their nature. QuidelOrtho has no obligation to update any of the forward-looking information included in this Form 8-K, whether as a result of new information, future events, changed expectations or otherwise, except as required by law. All forward-looking statements are based on information currently available to QuidelOrtho and speak only as of the date hereof.

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.

Date: January 6, 2023

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202211020001906324false00019063242022-11-022022-11-02

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock Market

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

On November 2, 2022, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing the financial results for its third quarter ended October 2, 2022 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on November 2, 2022 to discuss such results. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press release, dated November 2, 2022, reporting QuidelOrtho Corporation's financial results for its third quarter ended October 2, 2022.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: November 2, 2022

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202210120001906324false00019063242022-10-122022-10-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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 12, 2022

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code) N/A (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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock Market

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

On October 12, 2022, QuidelOrtho Corporation (“QuidelOrtho”) issued a press release announcing its preliminary revenue results for its fiscal third quarter ended October 2, 2022. A copy of the press release is furnished with this Current Report on Form 8-K (“Form 8-K”) as Exhibit 99.1.

The information in this 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits.

The following exhibit is furnished with this Form 8-K:

Exhibit NumberDescription of Exhibit 99.1Press Release issued by QuidelOrtho Corporation dated October 12, 2022.

104Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL Document.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

The financial information set forth in this Form 8-K reflects QuidelOrtho’s current preliminary revenue estimates, and is subject to adjustments based on QuidelOrtho’s completion of its quarter end financial close process. QuidelOrtho’s actual third quarter results may differ significantly from the preliminary estimates provided in this Form 8-K. You should not rely on these preliminary estimates as predictions of actual results because these estimates are based on assumptions that may not come true and are speculative by their nature. QuidelOrtho has no obligation to update any of the forward-looking information included in this Form 8-K, whether as a result of new information, future events, changed expectations or otherwise, except as required by law. All forward-looking statements are based on information currently available to QuidelOrtho and speak only as of the date hereof.

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.

Date: October 12, 2022

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer

qdel-202208040001906324false00019063242022-08-042022-08-04

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM8-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 4, 2022

QUIDELORTHO CORPORATION

(Exact name of Registrant as specified in its Charter)

Delaware 001-41409

87-4496285

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

9975 Summers Ridge Road, San Diego, California 92121 (Address of principal executive offices, including zip code) (858) 552-1100 (Registrant’s telephone number, including area code)

(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 (see General Instruction A.2. below): ☐ 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 240.12a-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, $0.001 Par ValueQDELThe Nasdaq Stock 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.

On August 4, 2022, QuidelOrtho Corporation (the "Company") issued a press release announcing the financial results for its second quarter ended July 3, 2022 and will hold an earnings conference call at 2:00 p.m., Pacific Time, on August 4, 2022 to discuss such results. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

The information in 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 into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits. The following exhibit is furnished with this Current Report on Form 8-K:

Exhibit NumberDescription of Exhibit

99.1Press release, dated August 4, 2022, reporting QuidelOrtho Corporation's financial results for its second quarter ended July 3, 2022.

104Cover Page Interactive Data File - the cover page XBRL tags are 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.

Date: August 4, 2022

QUIDELORTHO CORPORATION

By:/s/ Joseph M. Busky Name:Joseph M. Busky Its:Chief Financial Officer