[Form 4] SITIME Corp Insider Trading Activity

Rhea-AI Filing Summary

SiTime Corporation executive reports share withholding for equity award. An officer of SITM, identified as Executive Vice President, Engineering & Technology, reported a transaction dated 11/20/2025 involving 4,118 shares of common stock disposed of at $252.76 per share under transaction code "F," which typically reflects shares withheld to cover taxes on equity awards. Following this transaction, the officer beneficially owns 86,315 shares of common stock.

The holding includes 79,548 unvested restricted stock units and performance-based restricted stock units: 32,528 time-vesting units and 47,020 units that vest based on absolute and relative stock price performance over various periods.

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^*

Assaderaghi Fariborz

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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	11/20/2025		F		4,118	D	$252.76	86,315(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 79,548 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 32,528 restricted stock units that vest over time, and 47,020 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:

Executive Vice President, Engineering & Technology

	Samsheer Ahamad, Attorney-in-fact	11/24/2025
	** 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 transaction did SiTime (SITM) report on 11/20/2025?

An SiTime officer reported disposing of 4,118 shares of common stock on 11/20/2025 at a price of $252.76 per share, coded as transaction type "F," which typically reflects tax withholding on equity awards.

How many SiTime (SITM) shares does the reporting officer own after the transaction?

After the reported transaction, the officer beneficially owns 86,315 shares of SiTime common stock, including vested and unvested equity.

What unvested equity awards does the SiTime (SITM) officer hold?

The officer holds an aggregate of 79,548 unvested restricted stock units and performance-based restricted stock units, consisting of 32,528 time-vesting RSUs and 47,020 performance-based RSUs tied to stock price performance.

What does transaction code "F" mean in the SiTime (SITM) Form 4?

Transaction code "F" indicates shares were disposed of to satisfy tax withholding obligations in connection with the vesting or exercise of an equity award, rather than an open-market sale.

What is the role of the reporting person at SiTime (SITM)?

The reporting person serves as Executive Vice President, Engineering & Technology at SiTime Corporation.

Does this SiTime (SITM) Form 4 involve derivative securities?

The filing includes a table for derivative securities, but no specific derivative transactions are listed in the provided content.