Insider at SiTime (NASDAQ: SITM) sells stock and donates shares

Rhea-AI Filing Summary

SiTime Corp executive Samsheer Ahamad reported multiple equity grants, a stock sale, and a charitable transfer. On February 10, 2026, he acquired 1,801, 3,070, 2,728 and 2,728 shares of common stock at a grant price of $0 through restricted stock unit and performance-based restricted stock unit awards with vesting tied to specific future dates and performance conditions.

On February 11, 2026, he sold 9,100 shares of common stock in an open-market transaction at $441.47 per share. Separately, 900 shares were transferred as a bona fide gift to Stifel Charitable Inc., FBO the Ahamad Family Foundation; those shares are owned directly by Stifel Charitable Inc., and he has no voting or investment power over them. Following these transactions, he beneficially owned 52,038 shares directly, including 34,871 shares issuable from unvested restricted and performance-based stock units.

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

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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)
02/10/2026

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	02/10/2026		A		1,801(1)	A	$0	53,512	D
Common Stock	02/10/2026		A		3,070(2)	A	$0	56,582	D
Common Stock	02/10/2026		A		2,728(3)	A	$0	59,310	D
Common Stock	02/10/2026		A		2,728(4)	A	$0	62,038	D
Common Stock	02/11/2026		S		9,100	D	$441.47	52,938	D
Common Stock	02/11/2026		G		900(5)	D	$0	52,038(6)	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. Restricted stock unit award under the Executive Bonus and Retention Plan vesting 50% of the shares on May 20, 2026 and 50% on August 20, 2026.

2. Additional shares being granted upon the achievement of performance criteria for performance-based restricted stock units (PRSUs) initially granted on March 15, 2024. The total 6,140 shares granted under this PRSU award will vest on February 20, 2027.

3. Restricted stock unit award vesting 6.25% of the shares on February 20, 2026 and quarterly thereafter.

4. Each performance-based restricted stock unit represents a contingent right to receive one share of common stock. The PRSUs vest upon achievement of certain levels of relative total stockholder return over a performance period of three years by SiTime.

5. On February 12, 2026, the Reporting Person made a bona fide gift for donation purposes of 900 shares of the Issuer's common stock to Stifel Charitable Inc, FBO the Ahamad Family Foundation. The reportable securities are owned directly by Stifel Charitable Inc, and the Reporting Person does not have voting or investment power over the shares.

6. Includes an aggregate of 34,871 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 21,937 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	02/12/2026
	** 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.

FAQ

What insider transactions did SiTime (SITM) executive Samsheer Ahamad report?

Samsheer Ahamad reported grants of restricted and performance-based stock units, an open-market sale of 9,100 SiTime shares, and a separate charitable transfer of 900 shares held by Stifel Charitable Inc., all occurring around February 10–12, 2026.

How many SiTime (SITM) shares did Samsheer Ahamad sell and at what price?

On February 11, 2026, Samsheer Ahamad sold 9,100 shares of SiTime common stock in an open-market transaction at a price of $441.47 per share, according to the reported non-derivative transactions in the insider ownership filing.

What equity awards did SiTime (SITM) grant to Samsheer Ahamad in February 2026?

On February 10, 2026, Samsheer Ahamad received several equity grants totaling multiple thousands of SiTime shares via restricted stock units and performance-based restricted stock units, awarded at a grant price of $0, with vesting tied to time-based and performance-based schedules.

What is the vesting schedule for Samsheer Ahamad’s SiTime (SITM) restricted stock units?

One restricted stock unit award vests 50% on May 20, 2026 and 50% on August 20, 2026. Another award vests 6.25% on February 20, 2026 and quarterly thereafter, providing staggered future share delivery over time.

How do Samsheer Ahamad’s performance-based RSUs at SiTime (SITM) vest?

The filing notes performance-based restricted stock units vest based on achieving specified performance criteria, including relative total stockholder return over a three-year period, with one 6,140-share PRSU award scheduled to vest on February 20, 2027 if conditions are met.

What charitable transfer involving SiTime (SITM) shares was reported?

The filing reports a bona fide gift of 900 SiTime common shares to Stifel Charitable Inc., FBO the Ahamad Family Foundation. Those securities are owned directly by Stifel Charitable Inc., and the reporting person has no voting or investment power over the donated shares.

How many SiTime (SITM) shares does Samsheer Ahamad beneficially own after these transactions?

After the February 2026 transactions, Samsheer Ahamad beneficially owned 52,038 SiTime shares directly. This figure includes 34,871 shares issuable from previously reported restricted stock units and performance-based restricted stock units that have not yet vested.