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TMO · THERMO FISHER SCIENTIFIC INC.

Everything on this page is public record — SEC Form 4 filings and congressional disclosures — alongside any INSIDER SCANNER research case for this company.

Open-market buys0
Open-market sells21
Research cases0
Last filing2026-08-31

Insider flow: Selling only — a count of disclosed transactions, not a rating or a recommendation.

Insider transaction timeline

Every reported transaction, positioned by trade date. Purchases sit above the axis, sales below; circle area is proportional to dollar value. No share-price line is drawn — this feed carries transaction prices only, and a price history inferred from them would imply market data the filings do not contain.

Open-market purchase Open-market sale
2026-08-19 — Britt Lisa P. · sold 11,440 @ $613.12 2026-08-20 — CASPER MARC N · sold 1,035 @ $630.87 2026-08-20 — CASPER MARC N · sold 1,250 @ $629.85 2026-08-20 — CASPER MARC N · sold 1,314 @ $627.66 2026-08-20 — CASPER MARC N · sold 1,430 @ $632.01 2026-08-20 — CASPER MARC N · sold 2,601 @ $628.82 2026-08-20 — CASPER MARC N · sold 560 @ $632.94 2026-08-20 — CASPER MARC N · sold 80 @ $633.99 2026-08-20 — CASPER MARC N · sold 821 @ $626.83 2026-08-20 — CASPER MARC N · sold 909 @ $625.45 2026-08-21 — CASPER MARC N · sold 1,791 @ $627.39 2026-08-21 — CASPER MARC N · sold 2,147 @ $628.61 2026-08-21 — CASPER MARC N · sold 2,727 @ $625.46 2026-08-21 — CASPER MARC N · sold 3,014 @ $626.51 2026-08-21 — CASPER MARC N · sold 321 @ $629.10 2026-08-24 — CASPER MARC N · sold 101 @ $625.41 2026-08-24 — CASPER MARC N · sold 33 @ $626.59 2026-08-24 — CASPER MARC N · sold 62 @ $628.74 2026-08-24 — CASPER MARC N · sold 79 @ $628.01 2026-08-31 — Pettiti Gianluca · sold 3,733 @ $614.38 2026-08-31 — Pettiti Gianluca · sold 400 @ $614.38
2026-08-192026-08-31

Insider participation

One row per insider, one cell per reported transaction, shaded by value. Repeat buying and activity clustered in time are visible at a glance.

CASPER MARC N Chairman & CEO, Director
Pettiti Gianluca President & COO
Britt Lisa P. Sr. VP and Chief HR Officer
Included with a free account

The analysis built on top of these filings

The filings above are public record and stay public here. What an account adds for $TMO is the reading of them — and for this company, that is what the list below says it is, no more.

  • Transaction timelineThe [{'transaction_date': '2026-08-31', 'insider_name': 'Pettiti Gianluca', 'insider_title': 'President & COO', 'transaction_type': 'Open-market sell', 'shares': 3733.0, 'price': 614.38, 'value': 2293480.54, 'is_buy': False}, {'transaction_date': '2026-08-31', 'insider_name': 'Pettiti Gianluca', 'insider_title': 'President & COO', 'transaction_type': 'Open-market sell', 'shares': 400.0, 'price': 614.38, 'value': 245752.0, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 101.0, 'price': 625.41, 'value': 63166.41, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 33.0, 'price': 626.59, 'value': 20677.47, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 62.0, 'price': 628.74, 'value': 38981.88, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 79.0, 'price': 628.01, 'value': 49612.79, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 1791.0, 'price': 627.39, 'value': 1123655.49, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 2147.0, 'price': 628.61, 'value': 1349625.67, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 2727.0, 'price': 625.46, 'value': 1705629.42, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 3014.0, 'price': 626.51, 'value': 1888301.14, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 321.0, 'price': 629.1, 'value': 201941.1, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 1035.0, 'price': 630.87, 'value': 652950.45, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 1250.0, 'price': 629.85, 'value': 787312.5, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 1314.0, 'price': 627.66, 'value': 824745.24, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 1430.0, 'price': 632.01, 'value': 903774.3, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 2601.0, 'price': 628.82, 'value': 1635560.82, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 560.0, 'price': 632.94, 'value': 354446.4, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 80.0, 'price': 633.99, 'value': 50719.2, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 821.0, 'price': 626.83, 'value': 514627.43, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'CASPER MARC N', 'insider_title': 'Chairman & CEO, Director', 'transaction_type': 'Open-market sell', 'shares': 909.0, 'price': 625.45, 'value': 568534.05, 'is_buy': False}, {'transaction_date': '2026-08-19', 'insider_name': 'Britt Lisa P.', 'insider_title': 'Sr. VP and Chief HR Officer', 'transaction_type': 'Open-market sell', 'shares': 11440.0, 'price': 613.12, 'value': 7014092.8, 'is_buy': False}] reported transactions plotted over the window rather than listed, so concentration is visible.

Not available for TMO today: no reported open-market purchases in this window, so there is no insider cost basis to compute; no research case — nothing here has cleared the scoring threshold. Both appear on this page on their own if that changes.

A free account opens all of it.

Not financial advice. This page reports public filings and past research output. It is not a recommendation to buy or sell, and no price target here is a prediction. Trade at your own risk.