SITIME officer reports tax-withholding share disposition

SITIME Corp officer Samsheer Ahamad reported a tax-related share disposition.

Rhea-AI Filing Summary

SITIME Corp officer Samsheer Ahamad reported a tax-related share disposition. On the reported date, 2,214 shares of common stock were disposed of at $406.97 per share to satisfy tax obligations, leaving him with 49,824 shares of common stock held directly.

The holdings figure includes 29,836 shares underlying previously reported restricted stock units and performance-based restricted stock units that have not yet vested. These unvested units comprise 16,902 time-based restricted stock units and 12,934 performance-based units tied to absolute and relative price performance over various performance periods.

Insider Trade Summary

Exercise Price or Tax Liability: 2,214 shares

Exercise Price or Tax Liability 1 txn

Insider Ahamad Samsheer

Role See Remarks

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	2,214	$406.97	$901K

Holdings After Transaction: Common Stock — 49,824 shares (Direct)

Footnotes (1)

1. F1. Includes an aggregate of 29,836 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units and that have not vested. These unvested units include 16,902 restricted stock units that vest over time, and 12,934 performance-based restricted stock units that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods.

FAQ

What insider transaction did SITIME Corp (SITM) disclose for Samsheer Ahamad?

SITIME Corp reported that officer Samsheer Ahamad disposed of 2,214 common shares in a tax-withholding transaction. The shares were valued at $406.97 each and were used to cover tax obligations, not as an open-market sale.

How many SITIME Corp (SITM) shares does Samsheer Ahamad hold after the Form 4 transaction?

After the reported tax-withholding disposition, Samsheer Ahamad holds 49,824 SITIME Corp common shares directly. This total includes both currently vested shares and unvested equity awards referenced in the footnote to the Form 4 filing.

Was the SITIME Corp (SITM) Form 4 transaction an open-market sale?

The Form 4 describes the transaction as a tax-withholding disposition, not an open-market sale. Shares were delivered to satisfy exercise price or tax liabilities, as indicated by transaction code F and its accompanying description.

What unvested equity awards does Samsheer Ahamad have in SITIME Corp (SITM)?

The filing notes 29,836 SITIME Corp shares underlying unvested awards. These consist of 16,902 time-based restricted stock units and 12,934 performance-based restricted stock units tied to specified stock price performance conditions over various periods.

What does transaction code F mean in the SITIME Corp (SITM) Form 4?

Transaction code F indicates payment of exercise price or tax liability by delivering securities. In this case, 2,214 SITIME Corp shares were used to cover tax obligations associated with equity compensation, rather than being sold on the open market.

How is the nature of Samsheer Ahamad’s SITIME Corp (SITM) ownership described?

The Form 4 classifies his ownership as direct, with code D, and does not reference any intermediary entities. The footnote clarifies that a substantial portion of the reported holdings relates to unvested restricted stock units and performance-based awards.

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Accepted by SEC EDGAR 02/24/2026 - 06:31 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Ahamad Samsheer

(Last) (First) (Middle)

5451 PATRICK HENRY DR.

(Street)

SANTA CLARA CA 95054

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SITIME Corp [ SITM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/20/2026		F		2,214	D	$406.97	49,824(1)	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes an aggregate of 29,836 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units and that have not vested. These unvested units include 16,902 restricted stock units that vest over time, and 12,934 performance-based restricted stock units that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods.

Remarks:

SVP Finance and Chief Accounting Officer

	Samsheer Ahamad, as Attorney-in-Fact	02/24/2026
	** Signature of Reporting Person	Date
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.