Welcome to our dedicated page for THERMO FISHER SCIENTIFIC SEC filings (Ticker: TMO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Thermo Fisher Scientific filings document operating results, material agreements, governance matters and capital-structure disclosures for a global supplier of scientific instruments, laboratory products, diagnostics, life science tools and pharmaceutical services. Recent Form 8-K reports include quarterly and annual results, acquisition-related events and definitive agreements.
The company’s proxy materials cover shareholder voting and board-governance matters. Its securities disclosures identify common stock and multiple NYSE-listed senior note classes, while Form 25 filings document removal from listing and registration for specific senior notes. The filing record also includes risk-factor and corporate disclosure categories tied to Thermo Fisher’s operating businesses and financing structure.
THERMO FISHER SCIENTIFIC INC. (TMO) reported that Sr. Vice President & CFO James Meyer had 30.945 shares of common stock withheld or delivered on August 22, 2026 to satisfy exercise price or tax liability at a reference price of $629.27 per share. After this, he held 5,830.038 shares of TMO common stock directly, which include 19.519 shares acquired under the issuer’s employee stock purchase plan, and 58.37 shares indirectly through the TMO 401(k) plan, including 8.34 shares accumulated between March 1 and August 21, 2026.
THERMO FISHER SCIENTIFIC INC. (TMO) reported insider transactions by Chairman & CEO Marc N. Casper involving option exercises and share sales. On August 20 and 21, 2026, he exercised stock options for a total of 20,000 shares of common stock at an exercise price of $309.63 per share. On the same dates, he sold an aggregate of 20,000 shares of common stock in multiple transactions at weighted average prices generally between the mid‑$620s and low‑$630s per share, as described in the sale footnotes. The transactions were effected pursuant to a Rule 10b5‑1 trading plan adopted on April 27, 2026. Indirect holdings include 11,300 shares held by the Alison Casper 2020 Irrevocable Trust and 5,000 shares held by the MNC 2020 Irrevocable Trust, for which beneficial ownership is disclaimed except to the extent of any pecuniary interest.
THERMO FISHER SCIENTIFIC INC. (TMO) is the issuer for a proposed sale of common stock reported under Rule 144 for the account of Marc N. Casper. The notice lists an intended sale of 10,000 shares of common stock, to be acquired via a stock option exercise and sold for cash on 08/21/2026 through Fidelity Brokerage Services LLC on the NYSE. The securities table shows an approximate aggregate market value of $6,269,123.21 for this 10,000-share position. The filing also details several common stock sales by Marc N. Casper and Floral Park Associates Inc. during the prior three months, each with trade dates, share amounts, and total dollar proceeds, and notes that Marc N. Casper is an authorized individual and stakeholder for the Floral Park Associates Inc. account.
THERMO FISHER SCIENTIFIC INC. (TMO) is named as the issuer in a Notice of Proposed Sale of Securities under Rule 144 filed for the account of Marc N. Casper. The notice covers a proposed sale of 10,000 shares of common stock on 08/20/2026 following a stock option exercise through Fidelity Brokerage Services LLC.
The securities listed have an aggregate market value of $6,292,653.16, and issuer common shares outstanding are reported as 369,747,286. The filing also lists multiple prior Rule 144 sales over the past three months by Marc N. Casper and Floral Park Associates Inc., an account in which he is an authorized individual and stakeholder.
THERMO FISHER SCIENTIFIC INC. (TMO) reported an insider equity transaction by Lisa P. Britt, Sr. VP and Chief HR Officer. On August 19, 2026, she exercised stock options for 11,440 shares of common stock at an exercise price of $418.32 per share and then sold 11,440 shares of common stock at a weighted average price of $613.12 per share, with individual sale prices ranging from $613.09 to $613.49.
THERMO FISHER SCIENTIFIC INC. (TMO) officer Lisa P. Britt has filed a Rule 144 notice for a planned sale of up to 11,440 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of about $7.01 million. Shares were acquired via a stock option exercise for cash. In the prior three months, Britt sold 5,850 shares for proceeds of $3,393,000.
Thermo Fisher Scientific Executive Vice President Michael D. Shafer reported option exercises and stock sales. On August 11, 2026, he exercised options for 25,500 shares of common stock at strike prices of $309.63 and $418.32 per share and acquired the same number of shares. He then sold 25,500 shares at $600.00 per share pursuant to a Rule 10b5-1 trading plan adopted on December 11, 2025. A footnote states his holdings include an additional 44.079 shares acquired under the employee stock purchase plan on May 15, 2026, and the options exercised had vested in four equal installments from February 25, 2021 through February 25, 2024.
THERMO FISHER SCIENTIFIC INC. executive Joseph R. Holmes, VP & Chief Accounting Officer, exercised stock options for 420 shares of common stock at an exercise price of $309.63 per share on August 7, 2026, and sold 420 shares at $584.81 per share the same day. Following the option exercise, he reported 140 stock options remaining from this grant, which expires on February 25, 2027.
THERMO FISHER SCIENTIFIC INC. Chairman & CEO Marc N. Casper reported exercising options for 275 shares of common stock at an exercise price of $309.63 per share, leaving 20,275 option shares outstanding. On the same date, entities associated with him sold 4,883 common shares, through multiple open-market transactions at weighted average prices generally between $577.37 and $593.36 per share, including sales by Floral Park Associates, Inc. The trades were effected under a Rule 10b5-1 trading plan adopted on April 27, 2026. Indirect holdings include 5,000 shares held by MNC 2020 Irrevocable Trust and 11,300 shares held by Alison Casper 2020 Irrevocable Trust, for which Casper disclaims beneficial ownership except to any pecuniary interest.