SiTime (NASDAQ: SITM) executive uses 1,484 shares to cover stock taxes

Rhea-AI Filing Summary

SiTime Corp executive Ahamad Samsheer reported a routine tax-related share disposition. On this Form 4, 1,484 shares of common stock were withheld at $697 per share to cover tax obligations, a non-market transaction coded as a tax-withholding disposition. After this event, Samsheer directly holds 48,340 common shares. A footnote also notes 26,925 unvested equity units, including 13,991 time-based restricted stock units and 12,934 performance-based restricted stock units tied to SiTime’s stock price performance over various periods.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ahamad Samsheer

Role See Remarks

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,484	$697.00	$1.03M

Holdings After Transaction: Common Stock — 48,340 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 1,484 shares Tax withholding price: $697 per share Shares held after transaction: 48,340 shares +3 more

6 metrics

Shares withheld for taxes 1,484 shares Code F tax-withholding disposition

Tax withholding price $697 per share Common stock used to cover tax liability

Shares held after transaction 48,340 shares Direct common stock ownership post-transaction

Total unvested equity units 26,925 units Unvested RSUs and performance-based RSUs

Time-based RSUs 13,991 units Restricted stock units that vest over time

Performance-based RSUs 12,934 units Units vest based on stock price performance

Key Terms

tax-withholding disposition, restricted stock units, performance-based restricted stock units, relative price performance

4 terms

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

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.

restricted stock units financial

"includes 13,991 restricted stock units that vest over time"

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

"12,934 performance-based restricted stock units that vest based on certain absolute"

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.

relative price performance financial

"based on certain absolute and relative price performance of the issuer's common stock"

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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).

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^*

Ahamad Samsheer

(Last) (First) (Middle)

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/20/2026		F		1,484	D	$697	48,340(1)	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. Includes an aggregate of 26,925 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units and that have not vested. These unvested units include 13,991 restricted stock units that vest over time, and 12,934 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.

Remarks:

SVP Finance and Chief Accounting Officer

	Samsheer Ahamad, as Attorney-in-Fact	05/22/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did SiTime (SITM) report for Ahamad Samsheer?

SiTime reported that executive Ahamad Samsheer had 1,484 shares of common stock withheld for taxes at $697 per share. This Form 4 shows a tax-withholding disposition, not an open-market sale or purchase, and is part of routine equity compensation administration.

Is the SiTime (SITM) Form 4 for Ahamad Samsheer an open-market sale?

No. The Form 4 shows a code F transaction, meaning shares were withheld to pay taxes on equity compensation. This tax-withholding disposition does not reflect an open-market trade or a discretionary sale decision by the insider.

How many SiTime (SITM) shares does Ahamad Samsheer hold after this Form 4?

After the tax-withholding transaction, Ahamad Samsheer directly holds 48,340 shares of SiTime common stock. The filing also notes 26,925 unvested equity units, including restricted stock units and performance-based restricted stock units that may vest over time and based on stock performance.

What equity awards does Ahamad Samsheer have outstanding at SiTime (SITM)?

The filing notes 26,925 unvested equity units for Ahamad Samsheer. These include 13,991 time-based restricted stock units and 12,934 performance-based restricted stock units that vest based on absolute and relative stock price performance over various periods.

What does a tax-withholding disposition mean for SiTime (SITM) insiders?

A tax-withholding disposition occurs when the company withholds shares to pay taxes due on vesting or exercise of equity awards. For SiTime insiders, this mechanism settles tax liabilities without requiring separate cash payments, and it is not treated as an open-market stock sale.