Thermo Fisher Scientific Inc. (TMO)
Thermo Fisher Scientific Inc. (TMO) Insider Trading
Directors, officers and holders of more than 10% of TMO report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 622 transactions on file: 0 with code P, 13 with code S and 37 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 28, 2026 | Britt Lisa P. | Sr. VP and Chief HR Officer | S Sale | 2,831 | $706.45 | $1,999,960 |
| Oct 28, 2026 | SPERLING SCOTT M | Director | G Gift | 3,490 | Not measured | Not measured |
| Sep 26, 2026 | Lynch Karen S | Director | A Award | 46 | Not measured | Not measured |
| Sep 26, 2026 | WEISLER DION J | Director | A Award | 56 | Not measured | Not measured |
| Sep 26, 2026 | SPERLING SCOTT M | Director | A Award | 63 | Not measured | Not measured |
| Sep 26, 2026 | Keith R. Alexandra | Director | A Award | 46 | Not measured | Not measured |
| Sep 26, 2026 | JOHNSON JENNIFER M | Director | A Award | 46 | Not measured | Not measured |
| Aug 31, 2026 | Pettiti Gianluca | President & COO | M Exercise | 3,733 | $309.63 | $1,155,849 |
| Aug 31, 2026 | Pettiti Gianluca | President & COO | S Sale | 400 | $614.38 | $245,752 |
| Aug 31, 2026 | Pettiti Gianluca | President & COO | S Sale | 3,733 | $614.38 | $2,293,481 |
| Aug 31, 2026 | Pettiti Gianluca | President & COO | M Exercise | 3,733 | Not measured | Not measured |
| Aug 28, 2026 | Holmes Joseph R. | VP & Chief Accounting Officer | F Tax Payment | 15 | $622.18 | $9,314 |
| Aug 28, 2026 | Britt Lisa P. | Sr. VP and Chief HR Officer | F Tax Payment | 85 | $622.18 | $52,945 |
| Aug 28, 2026 | Pettiti Gianluca | President & COO | F Tax Payment | 249 | $622.18 | $154,925 |
| Aug 28, 2026 | Holmes Joseph R. | VP & Chief Accounting Officer | F Tax Payment | 13 | $622.18 | $8,035 |
| Aug 28, 2026 | Shafer Michael D | Executive Vice President | F Tax Payment | 190 | $622.18 | $117,924 |
| Aug 28, 2026 | Shafer Michael D | Executive Vice President | F Tax Payment | 227 | $622.18 | $141,387 |
| Aug 28, 2026 | Holmes Joseph R. | VP & Chief Accounting Officer | F Tax Payment | 11 | $622.18 | $7,122 |
| Aug 28, 2026 | Britt Lisa P. | Sr. VP and Chief HR Officer | F Tax Payment | 87 | $622.18 | $54,148 |
| Aug 28, 2026 | Shafer Michael D | Executive Vice President | F Tax Payment | 211 | $622.18 | $131,159 |
| Aug 28, 2026 | Shropshire Thomas B Jr. | SVP and General Counsel | F Tax Payment | 49 | $622.18 | $30,502 |
| Aug 28, 2026 | Britt Lisa P. | Sr. VP and Chief HR Officer | F Tax Payment | 105 | $622.18 | $65,580 |
| Aug 28, 2026 | Britt Lisa P. | Sr. VP and Chief HR Officer | F Tax Payment | 116 | $622.18 | $72,198 |
| Aug 28, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 20 | $622.18 | $12,334 |
| Aug 28, 2026 | Holmes Joseph R. | VP & Chief Accounting Officer | F Tax Payment | 11 | $622.18 | $6,575 |
| Aug 28, 2026 | CASPER MARC N | Chairman & CEO | F Tax Payment | 532 | $622.18 | $330,907 |
| Aug 28, 2026 | CASPER MARC N | Chairman & CEO | F Tax Payment | 725 | $622.18 | $450,935 |
| Aug 28, 2026 | Pettiti Gianluca | President & COO | F Tax Payment | 270 | $622.18 | $167,860 |
| Aug 28, 2026 | Pettiti Gianluca | President & COO | F Tax Payment | 212 | $622.18 | $132,061 |
| Aug 28, 2026 | Pettiti Gianluca | President & COO | F Tax Payment | 304 | $622.18 | $188,918 |
| Aug 28, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 44 | $622.18 | $27,676 |
| Aug 28, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 55 | $622.18 | $34,295 |
| Aug 28, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 114 | $622.18 | $70,694 |
| Aug 28, 2026 | Shafer Michael D | Executive Vice President | F Tax Payment | 162 | $622.18 | $101,077 |
| Aug 28, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 37 | $622.18 | $23,164 |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | M Exercise | 275 | Not measured | Not measured |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 33 | $626.59 | $20,677 |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 62 | $628.74 | $38,982 |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 79 | $628.01 | $49,613 |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 101 | $625.41 | $63,166 |
| Aug 24, 2026 | CASPER MARC N | Chairman & CEO | M Exercise | 275 | $309.63 | $85,148 |
| Aug 22, 2026 | Meyer James | Sr. Vice President & CFO | F Tax Payment | 31 | $629.27 | $19,473 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | M Exercise | 10,000 | $309.63 | $3,096,300 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 2,727 | $625.46 | $1,705,629 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | M Exercise | 10,000 | Not measured | Not measured |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 2,147 | $628.61 | $1,349,626 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 1,791 | $627.39 | $1,123,655 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 321 | $629.10 | $201,941 |
| Aug 21, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 3,014 | $626.51 | $1,888,301 |
| Aug 20, 2026 | CASPER MARC N | Chairman & CEO | S Sale | 80 | $633.99 | $50,719 |
The full Form 4 history is on the TMO company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.