TMO insider transaction filings
THERMO FISHER SCIENTIFIC INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-01. Screen TMO transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 23 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 93 legs across 11 filings by 5 insiders — 102,901 shares, $61,559,609 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 54.
- Largest priced transaction: sale of 14,300 shares @ $600.00 ($8,580,000) by Shafer Michael D, filed 2026-08-13.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| CASPER MARC N — Chairman & CEO, Director | 6 | — | 85 legs · 55,158 sh · $32,841,664 | 14 |
| Shafer Michael D — Executive Vice President | 2 | — | 2 legs · 25,500 sh · $15,300,000 | 8 |
| Britt Lisa P. — Sr. VP and Chief HR Officer | 3 | — | 2 legs · 17,290 sh · $10,407,093 | 8 |
| Pettiti Gianluca — President & COO | 2 | — | 3 legs · 4,533 sh · $2,765,233 | 6 |
| Holmes Joseph R. — VP & Chief Accounting Officer | 2 | — | 1 leg · 420 sh · $245,620 | 6 |
| Meyer James — Sr. Vice President & CFO | 2 | — | — | 6 |
| JOHNSON JENNIFER M — Director | 1 | — | — | 1 |
| Keith R. Alexandra — Director | 1 | — | — | 1 |
| Lynch Karen S — Director | 1 | — | — | 1 |
| SPERLING SCOTT M — Director | 1 | — | — | 1 |
+2 more insiders in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — THERMO FISHER SCIENTIFIC INC.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-01 | 4 | Meyer James — Sr. Vice President & CFO | Tax withholding (F): 37.23 @ $622.18 · Tax withholding (F): 44.48 @ $622.18 · Tax withholding (F): 19.82 @ $622.18 · Tax withholding (F): 55.12 @ $622.18 · Tax withholding (F): 113.62 @ $622.18 | EDGAR |
| 2026-09-01 | 4 | CASPER MARC N — Chairman & CEO, Director | Tax withholding (F): 724.77 @ $622.18 · Tax withholding (F): 531.85 @ $622.18 | EDGAR |
| 2026-09-01 | 4 | Britt Lisa P. — Sr. VP and Chief HR Officer | Tax withholding (F): 87.03 @ $622.18 · Tax withholding (F): 116.04 @ $622.18 · Tax withholding (F): 105.40 @ $622.18 · Tax withholding (F): 85.10 @ $622.18 | EDGAR |
| 2026-09-01 | 4 | Pettiti Gianluca — President & COO | Tax withholding (F): 212.26 @ $622.18 · Tax withholding (F): 303.64 @ $622.18 · Tax withholding (F): 249.00 @ $622.18 · Tax withholding (F): 269.79 @ $622.18 · Sale (S): 400 @ $614.38 · Option exercise (M): 3,733 @ $309.63 · +2 more | EDGAR |
| 2026-09-01 | 4 | Holmes Joseph R. — VP & Chief Accounting Officer | Tax withholding (F): 10.57 @ $622.18 · Tax withholding (F): 12.91 @ $622.18 · Tax withholding (F): 11.45 @ $622.18 · Tax withholding (F): 14.97 @ $622.18 | EDGAR |
| 2026-09-01 | 4 | Shafer Michael D — Executive Vice President | Tax withholding (F): 162.46 @ $622.18 · Tax withholding (F): 210.81 @ $622.18 · Tax withholding (F): 189.53 @ $622.18 · Tax withholding (F): 227.25 @ $622.18 | EDGAR |
| 2026-09-01 | 4 | Shropshire Thomas B Jr. — SVP and General Counsel | Tax withholding (F): 49.02 @ $622.18 | EDGAR |
| 2026-08-26 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 275 @ $309.63 · Sale (S): 101 @ $625.41 · Sale (S): 33 @ $626.59 · Sale (S): 79 @ $628.01 · Sale (S): 62 @ $628.74 · Option exercise (M): 275 (derivative) @ $0 | EDGAR |
| 2026-08-24 | 4 | Meyer James — Sr. Vice President & CFO | Tax withholding (F): 30.95 @ $629.27 | EDGAR |
| 2026-08-24 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 10,000 @ $309.63 · Sale (S): 909 @ $625.45 · Sale (S): 821 @ $626.83 · Sale (S): 1,314 @ $627.66 · Sale (S): 2,601 @ $628.82 · Sale (S): 1,250 @ $629.85 · +12 more | EDGAR |
| 2026-08-20 | 4 | Britt Lisa P. — Sr. VP and Chief HR Officer | Option exercise (M): 11,440 @ $418.32 · Sale (S): 11,440 @ $613.12 · Option exercise (M): 11,440 (derivative) @ $0 | EDGAR |
| 2026-08-13 | 4 | Shafer Michael D — Executive Vice President | Option exercise (M): 11,200 @ $309.63 · Sale (S): 11,200 @ $600 · Option exercise (M): 14,300 @ $418.32 · Sale (S): 14,300 @ $600 · Option exercise (M): 11,200 (derivative) @ $0 · Option exercise (M): 14,300 (derivative) @ $0 | EDGAR |
| 2026-08-10 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 275 @ $309.63 · Sale (S): 6 @ $577.37 · Sale (S): 4 @ $579.26 · Sale (S): 2 @ $579.27 · Sale (S): 4 @ $580.71 · Sale (S): 3 @ $580.72 · +23 more | EDGAR |
| 2026-08-10 | 4 | Holmes Joseph R. — VP & Chief Accounting Officer | Option exercise (M): 420 @ $309.63 · Sale (S): 420 @ $584.81 · Option exercise (M): 420 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | Britt Lisa P. — Sr. VP and Chief HR Officer | Option exercise (M): 5,850 @ $309.63 · Sale (S): 5,850 @ $580 · Option exercise (M): 5,850 (derivative) @ $0 | EDGAR |
| 2026-08-07 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 10,000 @ $309.63 · Sale (S): 480 @ $571.05 · Sale (S): 1,631 @ $572.43 · Sale (S): 2,545 @ $573.53 · Sale (S): 1,617 @ $574.40 · Sale (S): 2,164 @ $575.46 · +14 more | EDGAR |
| 2026-08-07 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 10,000 @ $309.63 · Sale (S): 157 @ $566.25 · Sale (S): 130 @ $567.92 · Sale (S): 105 @ $569.24 · Sale (S): 53 @ $569.76 · Sale (S): 135 @ $571.49 · +18 more | EDGAR |
| 2026-07-28 | 4 | Pettiti Gianluca — President & COO | Sale (S): 400 @ $565 | EDGAR |
| 2026-06-30 | 4 | Keith R. Alexandra — Director | Grant/award (A): 60.91 (derivative) | EDGAR |
| 2026-06-30 | 4 | WEISLER DION J — Director | Grant/award (A): 73.10 (derivative) | EDGAR |
| 2026-06-30 | 4 | Lynch Karen S — Director | Grant/award (A): 60.91 (derivative) | EDGAR |
| 2026-06-30 | 4 | SPERLING SCOTT M — Director | Grant/award (A): 82.84 (derivative) | EDGAR |
| 2026-06-30 | 4 | JOHNSON JENNIFER M — Director | Grant/award (A): 60.91 (derivative) | EDGAR |
| 2026-05-22 | 4 | Keith R. Alexandra — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | WEISLER DION J — Director | Tax withholding (F): 80.29 @ $451.79 · Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | Spar Debora L — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | Jacks Tyler — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | CHANDY RUBY R — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | Lynch Karen S — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | Chai Nelson — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | HARRIS C MARTIN — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | SPERLING SCOTT M — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-05-22 | 4 | JOHNSON JENNIFER M — Director | Grant/award (A): 499 @ $0 | EDGAR |
| 2026-04-29 | 4 | Pettiti Gianluca — President & COO | Sale (S): 400 @ $462.66 | EDGAR |
| 2026-03-31 | 4 | Keith R. Alexandra — Director | Grant/award (A): 66.02 (derivative) | EDGAR |
| 2026-03-31 | 4 | WEISLER DION J — Director | Grant/award (A): 79.22 (derivative) | EDGAR |
| 2026-03-31 | 4 | Lynch Karen S — Director | Grant/award (A): 66.02 (derivative) | EDGAR |
| 2026-03-31 | 4 | SPERLING SCOTT M — Director | Grant/award (A): 89.78 (derivative) | EDGAR |
| 2026-03-31 | 4 | JOHNSON JENNIFER M — Director | Grant/award (A): 66.02 (derivative) | EDGAR |
| 2026-03-12 | 4 | Shafer Michael D — Executive Vice President | Sale (S): 1,607 @ $499.40 | EDGAR |
| 2026-03-09 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 4,000 @ $309.63 · Sale (S): 20 @ $503.66 · Sale (S): 60 @ $505.76 · Sale (S): 58 @ $507.54 · Sale (S): 99 @ $509.66 · Sale (S): 214 @ $511.78 · +9 more | EDGAR |
| 2026-03-05 | 4 | CASPER MARC N — Chairman & CEO, Director | Option exercise (M): 5,000 @ $309.63 · Sale (S): 360 @ $495.29 · Sale (S): 480 @ $496.84 · Sale (S): 680 @ $498.14 · Sale (S): 240 @ $499.75 · Sale (S): 382 @ $500.55 · +18 more | EDGAR |
| 2026-03-02 | 4 | Shafer Michael D — Executive Vice President | Tax withholding (F): 97.98 @ $521.11 · Tax withholding (F): 466.20 @ $521.11 · Tax withholding (F): 251.66 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Pettiti Gianluca — President & COO | Tax withholding (F): 741.71 @ $521.11 · Tax withholding (F): 331.68 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Holmes Joseph R. — VP & Chief Accounting Officer | Tax withholding (F): 12.29 @ $521.11 · Tax withholding (F): 55.48 @ $521.11 · Tax withholding (F): 44.46 @ $521.11 · Tax withholding (F): 4.40 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Lowery Frederick M. — Executive Vice President | Tax withholding (F): 111.28 @ $521.11 · Tax withholding (F): 521.70 @ $521.11 · Tax withholding (F): 263.99 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Britt Lisa P. — Sr. VP and Chief HR Officer | Tax withholding (F): 262.67 @ $521.11 · Tax withholding (F): 85.41 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Williamson Stephen — Retiring Sr. VP and CFO | Tax withholding (F): 674.72 @ $521.11 · Tax withholding (F): 247.07 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | Lagarde Michel — Executive Vice President | Tax withholding (F): 836.88 @ $521.11 · Tax withholding (F): 359.73 @ $521.11 | EDGAR |
| 2026-03-02 | 4 | CASPER MARC N — Chairman & CEO, Director | Tax withholding (F): 3,473.76 @ $521.11 · Tax withholding (F): 1,211.17 @ $521.11 | EDGAR |
Recent 8-K events — THERMO FISHER SCIENTIFIC INC.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-07-23 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-26 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-04-23 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-24 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-12 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-29 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-12 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2025-12-01 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-29 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-22 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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