# Thermo Fisher (TMO) insider trading and SEC filings

Thermo Fisher (TMO) insider trades from SEC Form 4s: who traded, the transaction and the share count, each linked to EDGAR.

I read the 8 insider filings below, filed between Sep 1 and Sep 29, 2026, all on Form 4. Each one is about Thermo Fisher stock and links to the original on EDGAR. They name 8 insiders: 5 directors and 3 officers. Of the filings, 3 report shares withheld for tax. Thermo Fisher's SEC record shows its latest 10-K filed Feb 26, 2026, its latest 10-Q Jul 31, 2026, and its latest 8-K Jul 23, 2026.

| Form | Filed | Insider | Transaction | Price | Trade date | Shares held after | Ownership |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 4 | 2026-09-29 | WEISLER DION J — Director | not itemised — see the filing | — | — | — | — |
| 4 | 2026-09-29 | SPERLING SCOTT M — Director | not itemised — see the filing | — | — | — | — |
| 4 | 2026-09-29 | Lynch Karen S — Director | not itemised — see the filing | — | — | — | — |
| 4 | 2026-09-29 | Keith R. Alexandra — Director | not itemised — see the filing | — | — | — | — |
| 4 | 2026-09-29 | JOHNSON JENNIFER M — Director | not itemised — see the filing | — | — | — | — |
| 4 | 2026-09-01 | CASPER MARC N — Chairman & CEO | Shares withheld for tax or exercise cost · 1,255 shares (across 2 transactions) | $622.18 | Aug 28, 2026 | 122,668 | Direct |
| 4 | 2026-09-01 | James Meyer — Sr. Vice President & CFO | Shares withheld for tax or exercise cost · 268 shares (across 5 transactions) | $622.18 | Aug 28, 2026 | 5,559 | Direct |
| 4 | 2026-09-01 | Shropshire Thomas B Jr. — SVP and General Counsel | Shares withheld for tax or exercise cost · 49 shares | $622.18 | Aug 28, 2026 | 6,008 | Direct |

Source: [https://pipthebot.com/insider/tmo/](https://pipthebot.com/insider/tmo/)

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