[Form 4] SITIME Corp Insider Trading Activity

Rhea-AI Filing Summary

SiTime Corp (SITM) reported an insider equity award. A company director filed a Form 4 disclosing two restricted stock unit (RSU) grants on 10/16/2025: 998 RSUs and 515 RSUs, each at a price of $0 per unit.

The filing states the 998-unit RSU award vests one-third on November 20, 2026 and one-third on each November 20 thereafter. The 515-unit RSU award vests fully on May 20, 2026.

Following these transactions, the reporting person shows 1,513 shares beneficially owned, described as common stock issuable pursuant to previously reported RSUs that have not vested.

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
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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^*

MOORTHY GANESH

(Last) (First) (Middle)

C/O SITIME CORPORATION

5451 PATRICK HENRY DRIVE

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/16/2025

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	10/16/2025		A		998(1)	A	$0	998	D
Common Stock	10/16/2025		A		515(2)	A	$0	1,513(3)	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 issued pursuant to the SiTime Independent Director Compensation Policy, vesting as to one-third of the shares on November 20, 2026 and an additional one-third of the shares on each November 20th thereafter.

2. Restricted stock unit award vests fully on May 20, 2026.

3. Includes an aggregate of 1,513 shares of common stock issuable pursuant to previously reported restricted stock units that have not vested.

Remarks:

	Samsheer Ahamad, as Attorney-in-Fact	10/20/2025
	** 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 did the SITM Form 4 report on 10/16/2025?

A director reported two RSU grants: 998 RSUs and 515 RSUs, each at $0 per unit.

What are the vesting terms for the SITM director’s RSUs?

The 998 RSUs vest one-third on November 20, 2026 and annually thereafter; the 515 RSUs vest fully on May 20, 2026.

How many shares are beneficially owned after the reported transactions for SITM?

The filing lists 1,513 shares beneficially owned, tied to previously reported unvested RSUs.

What security type was reported in the SITM Form 4?

Common stock underlying restricted stock units (RSUs).

What is the reported transaction price for the SITM RSU grants?

Each RSU grant was reported at a price of $0 per unit.

What is the reporting person’s relationship to SiTime (SITM)?

The reporting person is a Director of SiTime Corp.