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  4. [Form 4] SITIME Corp Insider Trading Activity

SITM insider trade: CEO sells 2,000 shares, updates holdings

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

SiTime Corp (SITM) CEO and Director reported two open‑market sales on November 3, 2025: 1,000 shares at $290.50 and 1,000 shares at $289.00. Following these trades, the reporting person beneficially owns 449,208 shares directly.

He also reports indirect holdings of 1,809 shares through the Aldebran Rajesh Family Dynasty Trust, 1,809 shares through the Aldebran Rohini Family Dynasty Trust, and 24,781 shares through Aldebran Constellation LLC.

Footnotes state an aggregate of 280,158 unvested awards issuable pursuant to previously reported equity grants, comprising 77,605 time‑based restricted stock units and 202,553 performance‑based units tied to absolute and relative stock‑price performance over various periods.

Positive

  • None.

Negative

  • None.
Insider VASHIST RAJESH
Role Chief Executive Officer
Sold 2,000 shs ($580K)
Type Security Shares Price Value
Sale Common Stock 1,000 $290.50 $291K
Sale Common Stock 1,000 $289.00 $289K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 450,208 shares (Direct); Common Stock — 1,809 shares (Indirect, See Footnote)
Footnotes (1)
  1. 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. 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. 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. 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.
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Form 4 Insider Transactions: What Each Field Means →
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)
11/03/2025
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 11/03/2025 S 1,000 D $290.5 450,208 D
Common Stock 11/03/2025 S 1,000 D $289 449,208(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 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.
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 11/04/2025
** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did SITM’s CEO report on Form 4?

Two open‑market sales on November 3, 2025: 1,000 shares at $290.50 and 1,000 shares at $289.00.

How many SITM shares does the insider now own directly?

The reporting person beneficially owns 449,208 shares directly after the reported transactions.

What indirect SITM holdings were disclosed?

Indirect holdings include 1,809 shares in the Aldebran Rajesh Family Dynasty Trust, 1,809 in the Aldebran Rohini Family Dynasty Trust, and 24,781 in Aldebran Constellation LLC.

Were any equity awards disclosed in the footnotes?

Yes. Footnotes list 280,158 unvested awards issuable: 77,605 time‑based RSUs and 202,553 performance‑based RSUs linked to stock‑price performance.

What is the ticker symbol and issuer name?

Issuer is SiTime Corp with ticker SITM.

What roles does the reporting person hold at SITM?

The reporting person is Chief Executive Officer and a Director.