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Thermo Fisher Scientific SEC filings, summarized

We read every Thermo Fisher Scientific 8-K filing and insider trade the night it hits SEC EDGAR, and turn it into a two-minute plain-English summary.

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Recent filings

Form 4 · Insider TradeSeptember 1, 2026

Thermo Fisher President & COO Pettiti sells $2.5M in stock

Gianluca Pettiti, President and COO of Thermo Fisher Scientific, sold 4,133 shares in two open-market transactions at $614.38 per share on Aug. 31, 2026.…

Form 4 · Insider TradeAugust 24, 2026

Thermo Fisher CEO Marc Casper sells $12.6M in stock

Marc Casper, Chairman and CEO and a director of Thermo Fisher Scientific, sold 20,000 shares in open-market transactions on Aug. 20-21 at prices ranging…

Form 4 · Insider TradeAugust 20, 2026

Thermo Fisher Chief HR Officer Lisa Britt sells $7.0M in stock

Britt Lisa P., Thermo Fisher Scientific’s Sr. VP and Chief HR Officer, sold 11,440 shares of common stock on Aug. 19 at $613.12 per share, for approximately…

Form 4 · Insider TradeAugust 13, 2026

Thermo Fisher EVP Michael Shafer sells $15.3M in stock

Michael D. Shafer, executive vice president of Thermo Fisher Scientific, sold 25,500 shares in two open-market transactions on Aug. 11 at $600 per share,…

Form 4 · Insider TradeAugust 10, 2026

Thermo Fisher CEO Marc Casper sells $2.86M in stock

Marc Casper, Thermo Fisher Scientific’s Chairman, CEO and director, sold 4,883 shares in open-market transactions on August 7 at prices ranging from $577.37…

Form 4 · Insider TradeAugust 7, 2026

Thermo Fisher CEO sells 15,000 shares worth about $8.6 million

Casper Marc N, Thermo Fisher Scientific’s chairman, CEO and director, sold 15,000 common shares in 18 open-market transactions on Aug. 6 at prices ranging…

Form 4 · Insider TradeAugust 7, 2026

Thermo Fisher CEO Marc Casper sells $8.6M in stock

Thermo Fisher Scientific Chairman and CEO Marc Casper sold 15,000 shares in open-market transactions at prices ranging from $566.25 to $577.56 per share,…

Form 4 · Insider TradeAugust 7, 2026

Thermo Fisher Chief HR Officer Lisa Britt sells $3.4M in stock

Britt Lisa P., Thermo Fisher Scientific’s senior vice president and chief human resources officer, sold 5,850 shares at $580.00 each on Aug. 6, 2026, for…

8-KJuly 23, 2026

Thermo Fisher reports 10% second-quarter revenue growth and $6.03 adjusted EPS

Thermo Fisher Scientific reported second-quarter 2026 revenue of $11.99 billion for the period ended June 27, up 10% year over year, including 5% organic…

8-KMarch 24, 2026

Thermo Fisher ($TMO) filed Form 8‑K on Mar 24, 2026 — Item 9.01: exhibits include Press Release (Ex.99.1,…

Thermo Fisher ($TMO) filed Form 8‑K on Mar 24, 2026 — Item 9.01: exhibits include Press Release (Ex.99.1, dated Mar 24, 2026) and Interactive XBRL cover…

8-KMarch 24, 2026

Thermo Fisher ($TMO) completed its acquisition of Clario Holdings, Inc.

Thermo Fisher ($TMO) completed its acquisition of Clario Holdings, Inc. on Mar 24, 2026, company announced in an 8‑K (Item 8.01). Closing confirmed. 🤝📅…

8-KFebruary 12, 2026

Thermo Fisher ($TMO) entered an Underwriting Agreement dated Feb 9, 2026 with Deutsche Bank Securities,…

Thermo Fisher ($TMO) entered an Underwriting Agreement dated Feb 9, 2026 with Deutsche Bank Securities, RBC Capital Markets, SMBC Nikko Securities America,…

8-KFebruary 12, 2026

On Feb 9, 2026 Thermo Fisher ($TMO) entered an Underwriting Agreement with Deutsche Bank, RBC Capital…

On Feb 9, 2026 Thermo Fisher ($TMO) entered an Underwriting Agreement with Deutsche Bank, RBC Capital Markets, SMBC Nikko Securities America and Wells Fargo…

8-KFebruary 12, 2026

BREAKING: $TMO sells $3.8B of senior notes in a public offering — $1.0B @4.215% (2031), $0.75B @4.55%…

BREAKING: $TMO sells $3.8B of senior notes in a public offering — $1.0B @4.215% (2031), $0.75B @4.55% (2033), $1.3B @4.902% (2036) and $0.75B @5.546% (2046)…

8-KJanuary 29, 2026

Thermo Fisher ($TMO) filed an 8‑K (Item 9.01) on Jan 29, 2026 — exhibits attached: Press Release (Ex.99.1,…

Thermo Fisher ($TMO) filed an 8‑K (Item 9.01) on Jan 29, 2026 — exhibits attached: Press Release (Ex.99.1, dated Jan 29, 2026) and iXBRL Cover Page…

8-KJanuary 29, 2026

Thermo Fisher ($TMO) announced results for the quarter and fiscal year ended Dec 31, 2025 on Jan 29, 2026.

Thermo Fisher ($TMO) announced results for the quarter and fiscal year ended Dec 31, 2025 on Jan 29, 2026. Full press release is furnished as Exhibit 99.1…

8-KJanuary 12, 2026

Thermo Fisher ($TMO): EVP & COO Michel Lagarde to depart Mar 31, 2026; EVP Frederick M.

Thermo Fisher ($TMO): EVP & COO Michel Lagarde to depart Mar 31, 2026; EVP Frederick M. Lowery to depart Feb 28, 2026 — both leaving to pursue other…