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SiTime CEO gifts 2,600 shares of common stock

SITIME’s CEO reported estate-planning gifts totaling 2,600 shares while maintaining substantial direct and indirect equity and award-based exposure.

(Neutral)
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Form Type
4

Rhea-AI Filing Summary

SITIME Corp (SITM) director and Chief Executive Officer Rajesh Vashist reported a series of bona fide gifts of the company’s common stock on August 31, 2026. He gifted 1,300 shares directly and 650 shares each to two family dynasty trusts for estate planning purposes, totaling 2,600 shares. Following the direct gift, his reported direct holdings were 357,544 shares, including 234,434 unvested restricted and performance-based restricted stock units. He also reports indirect holdings through an LLC and two family dynasty trusts over which he has voting and investment power, and no Rule 10b5-1 trading plan is reported.

Positive

  • None.

Negative

  • None.
Insider VASHIST RAJESH
Role Chief Executive Officer
Type Security Shares Price Value
Gift Common Stock F1, F2 1,300 $0.00 $0.00
Gift Common Stock F4 650 $0.00 $0.00
Gift Common Stock F5 650 $0.00 $0.00
holding Common Stock F3 -- -- --
Holdings After Transaction: Common Stock — 357,544 shares (Direct); Common Stock — 36,240 shares (Indirect, See Footnote)
Footnotes (5)
  1. F1. On August 31, 2026, the Reporting Person made a bona fide gift for estate planning purposes of 650 shares each of the Issuer's common stock to Aldebran Rajesh Family Dynasty Trust DTD 9/23/2021 and Aldebran Rohini Family Dynasty Trust DTD 9/23/2021, respectively.
  2. F2. Includes an aggregate of 234,434 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 76,217 restricted stock units that vest over time, and 158,217 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. F3. 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.
  4. F4. 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.
  5. F5. 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.
Direct gift shares 1,300 shares Common stock gifted directly on August 31, 2026
Gift to each dynasty trust 650 shares Common stock gifted to each of two family dynasty trusts on August 31, 2026
Total shares gifted 2,600 shares Aggregate bona fide gifts of SITIME common stock on August 31, 2026
Direct holdings after gift 357,544 shares Common stock reported as held directly by the CEO after the direct gift
Unvested RSUs and PBRSUs 234,434 units Unvested restricted stock units and performance-based restricted stock units included in direct holdings
Time-vesting RSUs 76,217 units Restricted stock units that vest over time
Performance-based RSUs 158,217 units Performance-based restricted stock units that vest based on stock-price performance
bona fide gift regulatory
"the Reporting Person made a bona fide gift for estate planning purposes"
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
restricted stock units financial
"shares of common stock issuable pursuant to previously reported restricted stock units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
performance-based restricted stock units financial
"performance-based restricted stock units that vest based on certain absolute and relative price"
Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.
voting and investment power financial
"of which the Reporting Person is one of the managers and has voting and investment power"
Family Dynasty Trust financial
"Aldebran Rajesh Family Dynasty Trust DTD 09/23/2021"

FAQ

What insider transactions did SITM CEO Rajesh Vashist report on August 31, 2026?

He reported bona fide gifts of SITIME common stock: 1,300 shares as a direct disposition and 650 shares each to two family dynasty trusts, totaling 2,600 shares gifted for estate-planning purposes.

How many SITM shares does the CEO hold directly after the reported gifts?

After the August 31, 2026 direct gift, Rajesh Vashist reported 357,544 shares of SITIME common stock held directly, including 234,434 unvested restricted and performance-based restricted stock units.

What unvested equity awards in SITM does the CEO report holding?

He reports 234,434 unvested units, consisting of 76,217 restricted stock units that vest over time and 158,217 performance-based restricted stock units that vest based on specified absolute and relative stock-price performance over various periods.

What indirect SITM holdings are associated with the CEO?

Indirect holdings are reported through Aldebran Constellation LLC and two Family Dynasty Trusts. In each case, Rajesh Vashist is described as one of the managers with voting and investment power over the shares.

Were the SITM insider gifts made under a Rule 10b5-1 trading plan?

No. The filing indicates no Rule 10b5-1 trading plan for these transactions; the document-level trading plan affirmation box is unchecked.

What is the total number of SITM shares reported as gifted in this Form 4?

The Form 4 discloses 2,600 shares of SITIME common stock as bona fide gifts on August 31, 2026: 1,300 shares directly and 650 shares to each of two family dynasty trusts.

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SEC Form 4
FORM 4UNITED 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*
VASHIST RAJESH

(Last)(First)(Middle)
C/O SITIME CORPORATION
5451 PATRICK HENRY DR.

(Street)
SANTA CLARA CALIFORNIA 95054

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SITIME Corp [ SITM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock08/31/2026G1,300(1)D$0357,544(2)D
Common Stock9,781ISee Footnote(3)
Common Stock08/31/2026G650A$026,459ISee Footnote(4)
Common Stock08/31/2026G650A$026,459ISee 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. On August 31, 2026, the Reporting Person made a bona fide gift for estate planning purposes of 650 shares each of the Issuer's common stock to Aldebran Rajesh Family Dynasty Trust DTD 9/23/2021 and Aldebran Rohini Family Dynasty Trust DTD 9/23/2021, respectively.
2. Includes an aggregate of 234,434 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 76,217 restricted stock units that vest over time, and 158,217 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 Constellation LLC, 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 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.
5. 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.
Remarks:
Samsheer Ahamad, Attorney-in-fact09/02/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)