SiTime CEO reports tax-withholding share disposition
SITIME Corp Chief Executive Officer Rajesh Vashist reported compensation-related share movements involving company common stock.
Rhea-AI Filing Summary
SITIME Corp Chief Executive Officer Rajesh Vashist reported compensation-related share movements involving company common stock. On May 20, 2026, 16,871 shares of common stock were disposed of at $697.00 per share as a tax-withholding disposition, meaning shares were delivered to cover exercise price or tax liabilities rather than sold in the open market.
After this transaction, Vashist held 432,898 shares of common stock directly. Indirectly, entities associated with him, including Aldebran Constellation LLC and two Aldebran family dynasty trusts, held a total of 25,809 shares after the reported transactions on May 21 and May 20, 2026. Footnotes also state that 291,529 shares of common stock are issuable from previously reported unvested restricted stock units and performance-based restricted stock units.
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Insider Trade Summary
0 shares gifted
Gift
4 txns
Insider
VASHIST RAJESH
Role
Chief Executive Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Gift | Common Stock | 0 | $0.00 | $0.00 |
| Gift | Common Stock | 0 | $0.00 | $0.00 |
| Exercise Price or Tax Liability | Common Stock | 16,871 | $697.00 | $11.76M |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 432,898 shares (Direct);
Common Stock — 50,590 shares (Indirect, See Footnote)
Footnotes (4)
- F1. Includes an aggregate of 291,529 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 85,426 restricted stock units that vest over time, and 206,103 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.
- F2. 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.
- F3. 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.
- F4. 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.
Key Figures
Tax-withholding shares: 16,871 shares
Tax-withholding price: $697.00 per share
Direct holdings after transaction: 432,898 shares
+4 more
7 metrics
Tax-withholding shares
16,871 shares
Common stock disposed of for tax obligations on May 20, 2026
Tax-withholding price
$697.00 per share
Price for tax-withholding disposition of common stock
Direct holdings after transaction
432,898 shares
Common stock directly owned by CEO after May 20, 2026
Indirect holdings after transactions
25,809 shares
Common stock held by Aldebran entities after May 21 and May 20, 2026
Unvested equity awards
291,529 shares
Common shares issuable from unvested RSUs and performance-based RSUs
Time-vesting RSUs
85,426 units
Restricted stock units vesting over time
Performance-based RSUs
206,103 units
Units vesting based on absolute and relative stock price performance
Key Terms
tax-withholding disposition, bona fide gift, restricted stock units, performance-based restricted stock units, +2 more
6 terms
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
bona fide gift financial
"transaction_code_description": "Bona fide gift"
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
"206,103 performance-based restricted stock units that vest based on certain absolute and relative price performance"
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.
Dynasty Trust financial
"Aldebran Rajesh Family Dynasty Trust DTD 09/23/2021"
voting and investment power financial
"Reporting Person is one of the managers and has voting and investment power over the shares"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transactions did SITM CEO Rajesh Vashist report in this Form 4?
Rajesh Vashist reported a tax-withholding disposition of 16,871 SiTime (SITM) common shares at $697.00 each. The filing also shows indirect holdings through Aldebran-related entities and references a large pool of unvested restricted and performance-based stock units.
What indirect SITM holdings are reported for entities associated with the CEO?
Entities associated with SiTime (SITM) CEO Rajesh Vashist—Aldebran Constellation LLC and two Aldebran family dynasty trusts—own 25,809 common shares in total. Vashist is a manager of these entities and has voting and investment power over their reported SiTime share positions.
How many unvested equity awards tied to SITM stock does the CEO have?
Footnotes state that 291,529 SiTime (SITM) common shares are issuable from previously reported unvested awards. These include 85,426 time-vesting restricted stock units and 206,103 performance-based restricted stock units that vest based on specified stock price performance conditions over various periods.
AI-generated analysis. How Rhea-AI works. Not financial advice.
