UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Registrant's telephone number, including area code: (781) 622-1000 Securities registered pursuant to Section 12(b) of the Act: | Title of each class | Trading Symbol(s) | Name of each exchange on which registered | | --- | --- | --- | | Common Stock, $1.00 par value | TMO | New York Stock Exchange | | 2.150% Notes due 2022 | TMO 22A | New York Stock Exchange | | 0.750% Notes due 2024 | TMO 24A | New York Stock Exchange | | 0.125% Notes ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission file number 1-8002 THERMO FISHER SCIENTIFIC INC. (Exact name of Registrant as specified in its charter) Delaware 04-2209186 (State of incorporation) (I.R.S. Employer Identification No.) 168 Thir ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K Delaware 04-2209186 (State of incorporation or organization) (I.R.S. Employer Identification No.) 168 Third Avenue Waltham, Massachusetts 02451 (Address of principal executive of ices) (Zip Code) Registrant's telephone number, including area code: (781) 622-1000 Securities registered pursuant to Section 12(b) of the Act: | Title of each class | Name of each exchange on which registered | Title of each class | Name of each exch ...