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Thermo Fisher (NYSE: TMO) director receives 66 Phantom Stock Units as deferred pay

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

Rhea-AI Filing Summary

Keith R. Alexandra reported acquisition or exercise transactions in this Form 4 filing.

Thermo Fisher Scientific director Keith R. Alexandra received a grant of 66.02 Phantom Stock Units tied to common shares. These units were credited on March 28, 2026 at a reference price of $473.36 per unit under the company’s Deferred Compensation Plan for Directors. Each unit is convertible into one share of common stock and is distributable as stock when his board service ends or upon a change of control. Following this grant, Alexandra holds a total of 1,270.44 Phantom Stock Units directly.

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Insider Keith R. Alexandra
Role Director
Type Security Shares Price Value
Grant/Award Phantom Stock Units 66.02 $0.00 --
Holdings After Transaction: Phantom Stock Units — 1,270.44 shares (Direct)
Footnotes (1)
  1. Convertible into Common Stock on a 1-for-1 basis. Represents stock units credited to the Reporting Person's account as of March?28, 2026, at a price of $473.36 per unit pursuant to the Issuer's Deferred Compensation Plan for Directors (the "Plan"). Directors' retainers are deferred quarterly under the Plan as Common Stock units based on the closing price of the stock as of the quarter end. The shares are distributable as stock upon cessation of director service (for any reason) or a change of control.
Phantom Stock Units granted 66.02 units Grant to director on March 28, 2026
Reference price per unit $473.36 per unit Deferred Compensation Plan for Directors
Total Phantom Stock Units after grant 1,270.44 units Director’s holdings following transaction
Conversion ratio 1-for-1 into common stock Phantom Stock Units to Thermo Fisher common shares
Phantom Stock Units financial
"Represents stock units credited to the Reporting Person's account as of March 28, 2026"
Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.
Deferred Compensation Plan for Directors financial
"pursuant to the Issuer's Deferred Compensation Plan for Directors (the "Plan")"
A deferred compensation plan for directors is an arrangement that lets board members postpone receiving part of their pay until a later date—often retirement or a set future time—so the money can grow or be paid under specified conditions. Think of it like directing a portion of your paycheck into a locked savings account that pays out later; investors care because it creates future cash or stock obligations, signals how the company motivates and retains leadership, and can affect shareholder value through timing of payouts or potential dilution.
change of control financial
"The shares are distributable as stock upon cessation of director service (for any reason) or a change of control."
A change of control occurs when the ownership or management of a company shifts significantly, such as through a sale, merger, or acquisition, resulting in new leadership or ownership structure. This change can impact the company's direction and decision-making, which is important for investors because it may affect the company's stability, strategy, and future prospects.
Common Stock units financial
"Directors' retainers are deferred quarterly under the Plan as Common Stock units"
A common stock unit is a tradable ownership interest that represents one or more ordinary shares in a company, giving the holder a stake in profits, a claim on assets after creditors, and usually voting rights on corporate matters. For investors it matters because these units determine how much of the company you own, how much influence you have, and how returns or losses are shared—think of owning slices of a pie that can be increased or diluted by the company’s actions.
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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*
Keith R. Alexandra

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/28/2026
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
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
Phantom Stock Units(1)03/28/2026A66.02 (2) (2)Common Stock66.02(2)1,270.44D
Explanation of Responses:
1. Convertible into Common Stock on a 1-for-1 basis.
2. Represents stock units credited to the Reporting Person's account as of March?28, 2026, at a price of $473.36 per unit pursuant to the Issuer's Deferred Compensation Plan for Directors (the "Plan"). Directors' retainers are deferred quarterly under the Plan as Common Stock units based on the closing price of the stock as of the quarter end. The shares are distributable as stock upon cessation of director service (for any reason) or a change of control.
/s/ Melodie T. Morin, Attorney-in-Fact for R. Alexandra Keith03/31/2026
** 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)

FAQ

What insider transaction did Thermo Fisher (TMO) director Keith R. Alexandra report?

Keith R. Alexandra reported receiving 66.02 Phantom Stock Units as a compensation grant. The units are credited under Thermo Fisher’s Deferred Compensation Plan for Directors and are tied to the company’s common stock on a one-for-one basis, payable in stock at a later date.

How many Phantom Stock Units does Keith R. Alexandra hold after this Form 4 for TMO?

After this grant, Keith R. Alexandra holds 1,270.44 Phantom Stock Units. These units track Thermo Fisher common stock value and are designed as deferred compensation, to be settled in stock when his board service ends or if a change of control occurs.

What is the value reference for the new Phantom Stock Units granted to the Thermo Fisher (TMO) director?

The 66.02 Phantom Stock Units were credited at $473.36 per unit. This price reflects the closing stock price at quarter end used by Thermo Fisher’s Deferred Compensation Plan for Directors to determine how many common stock units to credit as retainers are deferred.

How do Phantom Stock Units for Thermo Fisher (TMO) directors convert into common stock?

Each Phantom Stock Unit is convertible into one share of Thermo Fisher common stock. The units are credited to a director’s account and are distributable as actual stock when director service ceases for any reason, or upon a defined change of control event at the company.

When will Keith R. Alexandra receive Thermo Fisher (TMO) shares from these Phantom Stock Units?

The Phantom Stock Units are distributable as stock upon cessation of Keith R. Alexandra’s director service or a change of control. Until then, they remain as deferred stock units in his account, tracking the value of Thermo Fisher’s common stock on a one-for-one basis.