SiTime (SITM) CEO uses 14,340 shares for equity award tax withholding

Rhea-AI Filing Summary

SiTime Corp Chief Executive Officer Rajesh Vashist reported a tax-withholding disposition of common stock. On February 20, 2026, he transferred 14,340 shares of SiTime common stock at $406.97 per share to cover tax obligations related to equity compensation, using transaction code F.

After this transaction, Vashist directly owned 497,769 common shares, which include an aggregate of 324,680 shares issuable from unvested restricted stock units and performance-based units tied to absolute and relative stock price performance over various periods. He also has indirect ownership of 1,809 and 1,809 shares through the Aldebran Rajesh and Rohini Family Dynasty Trusts and 24,781 shares through Aldebran Constellation LLC, where he is a manager with voting and investment power.

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^*

VASHIST RAJESH

(Last) (First) (Middle)

C/O SITIME CORPORATION

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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

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		14,340	D	$406.97	497,769(1)	D
Common Stock								1,809	I	See Footnote(2)
Common Stock								1,809	I	See Footnote(3)
Common Stock								24,781	I	See Footnote(4)

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 324,680 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units that have not vested. These unvested units include 94,634 restricted stock units that vest over time, and 230,046 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.

2. The reportable securities are owned directly by Aldebran Rajesh Family Dynasty Trust DTD 09/23/2021, of which the Reporting Person is one of the managers and has voting and investment power over the shares.

3. The reportable securities are owned directly by Aldebran Rohini Family Dynasty Trust DTD 09/23/2021, of which the Reporting Person is one of the managers and has voting and investment power over the shares.

4. The reportable securities are owned directly by Aldebran Constellation LLC, of which the Reporting Person is one of the managers and has voting and investment power over the shares.

Remarks:

	Samsheer Ahamad, 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.
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FAQ

What did SiTime (SITM) CEO Rajesh Vashist report in this Form 4?

SiTime CEO Rajesh Vashist reported a tax-withholding disposition of 14,340 common shares. The shares were transferred on February 20, 2026 at $406.97 per share to satisfy tax obligations related to equity compensation awards.

How many SiTime (SITM) shares does Rajesh Vashist own directly after the Form 4?

After the reported transaction, Rajesh Vashist directly owned 497,769 SiTime common shares. This figure includes 324,680 shares underlying unvested restricted stock units and performance-based restricted stock units tied to stock price performance over various periods.

Was the SiTime (SITM) CEO’s Form 4 transaction an open-market sale?

The transaction was not an open-market sale but a tax-withholding disposition coded F. Shares were delivered to pay the exercise price or tax liability associated with equity compensation rather than sold in a typical market transaction.

What unvested equity awards for SiTime (SITM) are included in the CEO’s holdings?

The reported holdings include 324,680 shares issuable from unvested awards. These consist of 94,634 time-vesting restricted stock units and 230,046 performance-based units that vest based on absolute and relative stock price performance over specified periods.

What indirect SiTime (SITM) shareholdings are associated with Rajesh Vashist?

Indirectly, 1,809 SiTime shares are held by the Aldebran Rajesh Family Dynasty Trust and 1,809 by the Aldebran Rohini Family Dynasty Trust. Another 24,781 shares are owned by Aldebran Constellation LLC. Vashist is a manager of these entities with voting and investment power.

How does transaction code F in the SiTime (SITM) Form 4 affect interpretation?

Transaction code F indicates shares were used to pay an exercise price or tax liability. For SiTime, it shows the CEO’s 14,340-share disposition was for tax-withholding purposes, distinguishing it from a discretionary purchase or sale in the open market.