[Form 4] SITIME Corp Insider Trading Activity

Rhea-AI Filing Summary

SiTime Corporation (SITM) executive reports routine share withholding transaction. An officer of the company reported the disposition of 1,011 shares of common stock on 11/20/2025 at $252.76 per share, coded as an "F" transaction, which typically reflects shares withheld to cover taxes on equity awards. After this transaction, the officer beneficially owned 50,540 shares of common stock. This total includes 40,866 unvested restricted stock units and performance-based restricted stock units, with 15,285 units vesting over time and 25,581 units vesting 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

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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^*

Pangrazio Vincent P

(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		1,011	D	$252.76	50,540(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 40,866 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 15,285 restricted stock units that vest over time, and 25,581 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:

EVP, Chief Legal Officer & Corporate Secretary.

	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 this Form 4?

An officer of SiTime Corporation (SITM) reported an "F" code transaction on 11/20/2025 involving the disposition of 1,011 shares of common stock at $252.76 per share.

Who is the reporting person in this SiTime (SITM) Form 4 filing?

The reporting person is an officer of SiTime with the title EVP, Chief Legal Officer & Corporate Secretary, as noted in the remarks section.

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

Following the reported transaction, the officer beneficially owned 50,540 shares of SiTime common stock.

What portion of the SiTime (SITM) officer’s holdings are unvested stock units?

The total includes 40,866 shares of common stock issuable from previously reported unvested restricted stock units and performance-based restricted stock units.

How are the SiTime (SITM) officer’s restricted stock units structured?

The unvested units include 15,285 restricted stock units that vest over time and 25,581 performance-based restricted stock units that vest based on certain absolute and relative stock price performance over various periods.

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

The transaction is marked with code "F", which indicates shares were disposed of to satisfy obligations such as tax withholding related to equity awards.