AI Earnings Predictions for Thermo Fisher Scientific Inc (TMO)

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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 29, 2026

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange Floating Rate Notes due 2027TMO 27DNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 3.628% Notes due 2035TMO 35ANew York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 January 29, 2026, the Registrant announced its financial results for the fiscal quarter and year ended December 31, 2025. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated January 29, 2026 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

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.

THERMO FISHER SCIENTIFIC INC.

Date:January 29, 2026By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer

3

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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 22, 2025

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 22, 2025, the Registrant announced its financial results for the fiscal quarter ended September 27, 2025. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated October 22, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

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.

THERMO FISHER SCIENTIFIC INC.

Date:October 22, 2025By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer

3

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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 23, 2025

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 23, 2025, the Registrant announced its financial results for the fiscal quarter ended June 28, 2025. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated July 23, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

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.

THERMO FISHER SCIENTIFIC INC.

Date:July 23, 2025By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer

3

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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 23, 2025

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 April 23, 2025, the Registrant announced its financial results for the fiscal quarter ended March 29, 2025. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated April 23, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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.

THERMO FISHER SCIENTIFIC INC.

Date:April 23, 2025By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer

3

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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 30, 2025

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 January 30, 2025, the Registrant announced its financial results for the fiscal quarter and year ended December 31, 2024. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated January 30, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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.

THERMO FISHER SCIENTIFIC INC.

Date:January 30, 2025By

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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 23, 2024

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 23, 2024, the Registrant announced its financial results for the fiscal quarter ended September 28, 2024. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated October 23, 2024 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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.

THERMO FISHER SCIENTIFIC INC.

Date:October 23, 2024By:/s/ Jos

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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 24, 2024

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 24, 2024, the Registrant announced its financial results for the fiscal quarter ended June 29, 2024. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated July 24, 2024 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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 u

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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 24, 2024

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 April 24, 2024, the Registrant announced its financial results for the fiscal quarter ended March 30, 2024. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d)    Exhibits

99.1 Press Release dated April 24, 2024 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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 t

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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 31, 2024

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 January 31, 2024, the Registrant announced its financial results for the fiscal quarter and year ended December 31, 2023. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated January 31, 2024 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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

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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 25, 2023

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 25, 2023, the Registrant announced its financial results for the fiscal quarter ended September 30, 2023. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated October 25, 2023 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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 undersig

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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 26, 2023

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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 26, 2023, the Registrant announced its financial results for the fiscal quarter ended July 1, 2023. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated July 26, 2023 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURE

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 d

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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 26, 2023

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On April 26, 2023, the Registrant announced its financial results for the fiscal quarter ended April 1, 2023. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated April 26, 2023 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

THERMO FISHER SCIENTIFIC INC.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused t

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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 1, 2023

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 3.200% Notes due 2026TMO 26BNew York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 3.650% Notes due 2034TMO 34New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On February 1, 2023, the Registrant announced its financial results for the fiscal quarter and year ended December 31, 2022. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated February 1, 2023 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

THERMO FISHER SCIENTIFIC INC.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registran

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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 26, 2022

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On October 26, 2022, the Registrant announced its financial results for the fiscal quarter ended October 1, 2022. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated October 26, 2022 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

THERMO FISHER SCIENTIFIC INC.

SIGNATURE

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.

THERMO FISHER SCIENTIFIC INC.

Date:October 26, 2022By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Office

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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 28, 2022

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On July 28, 2022, the Registrant announced its financial results for the fiscal quarter ended July 2, 2022. The full text of the press release issued in connection with the announcement is furnished as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in this report and exhibits hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

99.1 Press Release dated July 28, 2022 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

THERMO FISHER SCIENTIFIC INC.

SIGNATURE

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.

THERMO FISHER SCIENTIFIC INC.

Date:July 28, 2022By:/s/ Joseph R. Holmes Joseph R. Holmes Vice President and Chief Accounting Officer

3

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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 28, 2022

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.                                 ☐  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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On April 28, 2022, the Registrant announced its financial results for the fiscal quarter ended April 2, 2022. The full text of the press release issued in connection with the announcement is attached as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

The following Exhibit relating to Item 2.02 shall be deemed “furnished,” and not “filed”:

99.1 Press Release dated April 28, 2022 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Cautionary Statement Regarding Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicated by forward-lookin

tmo-202202020000097745FALSE00000977452022-02-022022-02-020000097745us-gaap:CommonStockMember2022-02-022022-02-020000097745tmo:SeniorNotes0.75Due2024Member2022-02-022022-02-020000097745tmo:SeniorNotes0.125Due2025Member2022-02-022022-02-020000097745tmo:SeniorNotes200Due2025Member2022-02-022022-02-020000097745tmo:SeniorNotes1.40Due2026Member2022-02-022022-02-020000097745tmo:A1.45SeniorNotesDue2027Member2022-02-022022-02-020000097745tmo:SeniorNotes175Due2027Member2022-02-022022-02-020000097745tmo:SeniorNotes0.500Due2028Member2022-02-022022-02-020000097745tmo:SeniorNotes1.375Due2028Member2022-02-022022-02-020000097745tmo:SeniorNotes1.95Due2029Member2022-02-022022-02-020000097745tmo:SeniorNotes0.875Due2031Member2022-02-022022-02-020000097745tmo:SeniorNotes2375Due2032Member2022-02-022022-02-020000097745tmo:SeniorNotes2.875Due2037Member2022-02-022022-02-020000097745tmo:SeniorNotes1.500Due2039Member2022-02-022022-02-020000097745tmo:SeniorNotes1.875Due2049Member2022-02-022022-02-02

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): February 2, 2022

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.                                 ☐  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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On February 2, 2022, the Registrant announced its financial results for the fiscal quarter and year ended December 31, 2021. The full text of the press release issued in connection with the announcement is attached as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

The following Exhibit relating to Item 2.02 shall be deemed “furnished,” and not “filed”:

99.1 Press Release dated February 2, 2022 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Cautionary Statement Regarding Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicate

tmo-202110270000097745FALSE00000977452021-10-272021-10-270000097745us-gaap:CommonStockMember2021-10-272021-10-270000097745tmo:SeniorNotes0.75Due2024Member2021-10-272021-10-270000097745tmo:SeniorNotes0.125Due2025Member2021-10-272021-10-270000097745tmo:SeniorNotes200Due2025Member2021-10-272021-10-270000097745tmo:SeniorNotes1.40Due2026Member2021-10-272021-10-270000097745tmo:A1.45SeniorNotesDue2027Member2021-10-272021-10-270000097745tmo:SeniorNotes175Due2027Member2021-10-272021-10-270000097745tmo:SeniorNotes0.500Due2028Member2021-10-272021-10-270000097745tmo:SeniorNotes1.375Due2028Member2021-10-272021-10-270000097745tmo:SeniorNotes1.95Due2029Member2021-10-272021-10-270000097745tmo:SeniorNotes0.875Due2031Member2021-10-272021-10-270000097745tmo:SeniorNotes2375Due2032Member2021-10-272021-10-270000097745tmo:SeniorNotes2.875Due2037Member2021-10-272021-10-270000097745tmo:SeniorNotes1.500Due2039Member2021-10-272021-10-270000097745tmo:SeniorNotes1.875Due2049Member2021-10-272021-10-27

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 27, 2021

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.                                 ☐  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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On October 27, 2021, the Registrant announced its financial results for the fiscal quarter ended October 2, 2021. The full text of the press release issued in connection with the announcement is attached as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

The following Exhibit relating to Item 2.02 shall be deemed “furnished,” and not “filed”:

99.1 Press Release dated October 27, 2021 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Cautionary Statement Regarding Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicated by forwar

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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 28, 2021

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.                                 ☐  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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On July 28, 2021, the Registrant announced its financial results for the fiscal quarter ended July 3, 2021. The full text of the press release issued in connection with the announcement is attached as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

The following Exhibit relating to Item 2.02 shall be deemed “furnished,” and not “filed”:

99.1 Press Release dated July 28, 2021 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Cautionary Statement Regarding Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicated by forward-looking st

tmo-202104290000097745FALSE00000977452021-04-292021-04-290000097745us-gaap:CommonStockMember2021-04-292021-04-290000097745tmo:SeniorNotes0.75Due2024Member2021-04-292021-04-290000097745tmo:SeniorNotes0.125Due2025Member2021-04-292021-04-290000097745tmo:SeniorNotes200Due2025Member2021-04-292021-04-290000097745tmo:SeniorNotes1.40Due2026Member2021-04-292021-04-290000097745tmo:A1.45SeniorNotesDue2027Member2021-04-292021-04-290000097745tmo:SeniorNotes175Due2027Member2021-04-292021-04-290000097745tmo:SeniorNotes0.500Due2028Member2021-04-292021-04-290000097745tmo:SeniorNotes1.375Due2028Member2021-04-292021-04-290000097745tmo:SeniorNotes1.95Due2029Member2021-04-292021-04-290000097745tmo:SeniorNotes0.875Due2031Member2021-04-292021-04-290000097745tmo:SeniorNotes2375Due2032Member2021-04-292021-04-290000097745tmo:SeniorNotes2.875Due2037Member2021-04-292021-04-290000097745tmo:SeniorNotes1.500Due2039Member2021-04-292021-04-290000097745tmo:SeniorNotes1.875Due2049Member2021-04-292021-04-29

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 29, 2021

THERMO FISHER SCIENTIFIC INC.

(Exact name of Registrant as specified in its Charter)

Delaware1-800204-2209186 (State of incorporation)(Commission File Number)(I.R.S. Employer Identification Number)

168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (781) 622-1000 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, $1.00 par valueTMONew York Stock Exchange 0.750% Notes due 2024TMO 24ANew York Stock Exchange 0.125% Notes due 2025TMO 25BNew York Stock Exchange 2.000% Notes due 2025TMO 25New York Stock Exchange 1.400% Notes due 2026TMO 26ANew York Stock Exchange 1.450% Notes due 2027TMO 27New York Stock Exchange 1.750% Notes due 2027TMO 27BNew York Stock Exchange 0.500% Notes due 2028TMO 28ANew York Stock Exchange 1.375% Notes due 2028TMO 28New York Stock Exchange 1.950% Notes due 2029TMO 29New York Stock Exchange 0.875% Notes due 2031TMO 31New York Stock Exchange 2.375% Notes due 2032TMO 32New York Stock Exchange 2.875% Notes due 2037TMO 37New York Stock Exchange 1.500% Notes due 2039TMO 39New York Stock Exchange 1.875% Notes due 2049TMO 49New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.                                 ☐  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.  ☐

THERMO FISHER SCIENTIFIC INC.

Item 2.02    Results of Operations and Financial Condition

On April 29, 2021, the Registrant announced its financial results for the fiscal quarter ended April 3, 2021. The full text of the press release issued in connection with the announcement is attached as Exhibit 99.1 to this Form 8-K and incorporated herein by reference.

The information contained in Item 2.02 of this Form 8-K (including Exhibit 99.1) shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 (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 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01    Financial Statements and Exhibits

(d)    Exhibits

The following Exhibit relating to Item 2.02 shall be deemed “furnished,” and not “filed”:

99.1 Press Release dated April 29, 2021 104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Cautionary Statement Regarding Forward-Looking Statements

This Current Report on Form 8-K contains forward-looking statements that involve a number of risks and uncertainties. Important factors that could cause actual results to differ materially from those indicated by forward-looki