[Form 4] SiTime Corporation Insider Trading Activity

Rhea-AI Filing Summary

SiTime Corporation Chief Executive Officer and director Rajesh Vashist reported the sale of 2,000 shares of SiTime common stock on 09/02/2025 at a weighted-average price of $232 per share. After the sale he beneficially owns 463,208 shares directly, and additionally has indirect ownership of shares held by two family dynasty trusts and an LLC. The filing discloses 280,158 shares issuable under previously reported restricted stock units and performance-based restricted stock units that have not vested, including 77,605 time-vesting RSUs and 202,553 performance-based RSUs subject to price performance conditions.

Positive

• Significant retained ownership: reporting person continues to beneficially own 463,208 shares after the sale
• Substantial unvested equity: 280,158 RSUs (77,605 time-based; 202,553 performance-based) remain outstanding, aligning incentives with long-term performance
• Clear disclosure: filing provides weighted-average sale price and price range for the reported transactions

Negative

• Insider sale: CEO and director sold 2,000 shares, which may be perceived negatively by some investors despite its small relative size

Insights

Corporate Governance Expert

Insider sold a small portion of holdings while retaining substantial direct and indirect ownership, plus significant unvested performance awards.

The 2,000-share sale represents a de minimis reduction relative to the total reported beneficial ownership (463,208 shares). The filing documents continued alignment through large unvested awards (280,158 RSUs) that include both time-based and performance-based components, indicating long-term incentive structures remain in place. The disclosure also shows indirect holdings via family trusts and an LLC, which centralizes voting and investment power with the reporting person.

Securities Analyst

Transaction is routine insider sale; material impact on capitalization or control is unlikely given remaining holdings and unvested awards.

The sale was executed at a weighted-average price of $232 per share across multiple transactions priced between $231.00 and $233.00. Post-transaction direct beneficial ownership is 463,208 shares, and significant unvested equity (280,158 RSUs) remains outstanding. This filing appears to be a standard Section 16 report documenting an insider sale and the composition of direct and indirect holdings.

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).

X

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)
09/02/2025

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	09/02/2025		S		2,000	D	$232(1)	463,208(2)	D
Common Stock								1,809	I	See Footnote(3)
Common Stock								1,809	I	See Footnote(4)
Common Stock								24,781	I	See Footnote(5)

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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $231.00 to $233.00 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. Includes an aggregate of 280,158 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 77,605 restricted stock units that vest over time, and 202,553 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.

3. 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.

4. 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.

5. 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	09/03/2025
	** 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 SITM insider Rajesh Vashist do on 09/02/2025?

He sold 2,000 shares of SiTime common stock at a weighted-average price of $232 per share.

How many SiTime shares does Rajesh Vashist beneficially own after the sale?

He beneficially owns 463,208 shares directly following the reported transaction.

Does Rajesh Vashist have unvested equity in SiTime (SITM)?

Yes. The filing discloses 280,158 unvested RSUs, including 77,605 time-based RSUs and 202,553 performance-based RSUs.

Are any holdings reported as indirect ownership?

Yes. Reportable securities are held indirectly by Aldebran Rajesh Family Dynasty Trust, Aldebran Rohini Family Dynasty Trust, and Aldebran Constellation LLC, over which he has voting and investment power.

What price range were the shares sold at?

The shares were sold at prices ranging from $231.00 to $233.00 per share; the reported price is a weighted average of $232.