STOCK TITAN
  1. Home
  2. Sec-filings
  3. TMO
  4. [Form 4] THERMO FISHER SCIENTIFIC INC. Insider Trading Activity

Thermo Fisher (NYSE: TMO) CFO holds 5,830 shares after tax-related share withholding

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

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.

Positive

  • None.

Negative

  • None.
Insider Meyer James
Role Sr. Vice President & CFO
Type Security Shares Price Value
Exercise Price or Tax Liability Common Stock F1 30.945 $629.27 $19K
holding Common Stock F2 -- -- --
Holdings After Transaction: Common Stock — 5,830.038 shares (Direct); Common Stock — 58.37 shares (Indirect, by 401k)
Footnotes (2)
  1. F1. Includes 19.519 shares acquired under the Issuers employees stock purchase plan on May 15, 2026.
  2. F2. Between March 1, 2026 and August 21, 2026, the reporting person acquired 8.34 shares of TMO common stock under the TMO 401(k) plan.
Shares delivered/withheld 30.945 shares of Common Stock Code F transaction on August 22, 2026
Reference price per share $629.27 per share Used for code F exercise-price-or-tax-liability disposition
Direct holdings after transaction 5,830.038 shares of Common Stock Direct ownership following August 22, 2026 transaction
Indirect 401(k) holdings after transaction 58.37 shares of Common Stock Indirect ownership by 401(k) plan
ESPP shares included in direct holdings 19.519 shares Acquired under employee stock purchase plan on May 15, 2026
401(k) shares acquired in period 8.34 shares Acquired between March 1, 2026 and August 21, 2026 under TMO 401(k) plan
Payment of exercise price or tax liability financial
"Payment of exercise price or tax liability by delivering or withholding securities"
employees stock purchase plan financial
"shares acquired under the Issuers employees stock purchase plan"
TMO 401(k) plan financial
"acquired 8.34 shares of TMO common stock under the TMO 401(k) plan"

FAQ

What transaction did TMO executive James Meyer report on this Form 4?
James Meyer reported that 30.945 shares of Thermo Fisher Scientific (TMO) common stock were delivered or withheld on August 22, 2026 to pay exercise price or tax liability at $629.27 per share, a non-market transaction coded as "F."

How many TMO shares does James Meyer hold directly after this transaction?
After the reported transaction, James Meyer directly holds 5,830.038 shares of Thermo Fisher Scientific (TMO) common stock. This amount includes 19.519 shares acquired under the issuer’s employee stock purchase plan on May 15, 2026.

Does James Meyer have indirect holdings of TMO stock through a 401(k) plan?
Yes. James Meyer has an indirect holding of 58.37 shares of Thermo Fisher Scientific (TMO) common stock through the TMO 401(k) plan, including 8.34 shares acquired between March 1, 2026 and August 21, 2026.

Was the Form 4 transaction for TMO a market sale or purchase?
No. The Form 4 reports a code "F" transaction, meaning shares were delivered or withheld to pay an exercise price or tax liability. The filing does not report any open-market purchases or sales of TMO common stock.

What price per share was used for the TMO tax or exercise payment?
The transaction used a reference price of $629.27 per share for the 30.945 shares of Thermo Fisher Scientific (TMO) common stock delivered or withheld to cover exercise price or tax liability on August 22, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Meyer James
(Last)(First)(Middle)
168 THIRD AVENUE
(Street)
WALTHAM MASSACHUSETTS 02451
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
THERMO FISHER SCIENTIFIC INC. [ TMO ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Sr. Vice President & CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/22/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock08/22/2026F30.945D$629.275,830.038(1)D
Common Stock58.37(2)Iby 401k
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Includes 19.519 shares acquired under the Issuers employees stock purchase plan on May 15, 2026.
2. Between March 1, 2026 and August 21, 2026, the reporting person acquired 8.34 shares of TMO common stock under the TMO 401(k) plan.
Remarks:
/s/ Melodie T. Morin, Attorney-in-Fact for James Meyer08/24/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR