SiTime (NASDAQ: SITM) exec holds 65,148 shares after 2,740-share tax move

Rhea-AI Filing Summary

SITIME Corp (SITM) reported an insider transaction by Elizabeth A. Howe, EVP and Chief Financial Officer. On 2026-08-20, Howe had 2,740 shares of common stock withheld or delivered at $598.81 per share to pay the exercise price or tax liability. After this code F transaction, she reported 65,148 shares of common stock held directly, which include 52,770 unvested shares issuable under previously reported equity awards, consisting of 32,088 restricted stock units that vest over time and 20,682 performance-based restricted stock units that vest based on absolute and relative stock price performance over various periods.

Insider Trade Summary

Net Seller: 2,740 shares

Net Sell 1 txn

Insider Howe Elizabeth A.

Role EVP, Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock F1	2,740	$598.81	$1.64M

Holdings After Transaction: Common Stock — 65,148 shares (Direct)

Footnotes (1)

1. F1. Includes an aggregate of 52,770 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 32,088 restricted stock units that vest over time, and 20,682 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.

Key Figures

Shares disposed under code F: 2,740 shares Transaction price per share: $598.81 per share Shares owned after transaction: 65,148 shares +3 more

6 metrics

Shares disposed under code F 2,740 shares Common stock delivered or withheld on 2026-08-20 for exercise price or tax liability

Transaction price per share $598.81 per share Code F transaction in SITIME Corp common stock on 2026-08-20

Shares owned after transaction 65,148 shares Directly held SITIME Corp common stock following the 2026-08-20 transaction

Total unvested equity awards 52,770 shares Unvested shares issuable from previously reported restricted stock units and performance-based RSUs

Time-vesting restricted stock units 32,088 units Restricted stock units that vest over time included in unvested awards

Performance-based restricted stock units 20,682 units RSUs that vest based on absolute and relative stock price performance

Key Terms

restricted stock units, performance-based restricted stock units, absolute and relative price performance

3 terms

restricted stock units financial

"Includes an aggregate of 52,770 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

"and performance-based restricted stock units that have not vested"

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.

absolute and relative price performance financial

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

FAQ

What insider transaction did SITM report for Elizabeth A. Howe?

Elizabeth A. Howe reported a code F transaction involving 2,740 shares of SITIME Corp common stock on 2026-08-20, used for payment of exercise price or tax liability by delivering or withholding securities at $598.81 per share.

How many SITM shares did Elizabeth A. Howe dispose of in this Form 4?

Elizabeth A. Howe disposed of 2,740 shares of SITIME Corp common stock through a code F transaction, described as payment of exercise price or tax liability by delivering or withholding securities, at a reported price of $598.81 per share.

What are Elizabeth A. Howe’s SITM holdings after the reported transaction?

After the 2,740-share code F transaction, Elizabeth A. Howe reported holding 65,148 shares of SITIME Corp common stock directly. This total includes 52,770 unvested shares issuable from previously reported restricted stock units and performance-based restricted stock units.

How many unvested SITM restricted stock units does Elizabeth A. Howe have?

Elizabeth A. Howe’s reported holdings include 52,770 unvested shares of SITIME Corp common stock issuable from equity awards, comprising 32,088 restricted stock units that vest over time and 20,682 performance-based restricted stock units tied to stock price performance.

Was the SITM Form 4 transaction an open-market sale by Elizabeth A. Howe?

The Form 4 describes the transaction with code F as payment of exercise price or tax liability by delivering or withholding securities. This indicates a tax or exercise-price related disposition, not an open-market purchase or sale, at a reported price of $598.81 per share.

What performance conditions affect Elizabeth A. Howe’s SITM performance-based RSUs?

Elizabeth A. Howe’s 20,682 performance-based restricted stock units vest based on certain absolute and relative price performance of SITIME Corp’s common stock over various performance periods, as described in the footnote to the Form 4.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/24/2026 - 08:46 PM Accepted by SEC EDGAR 08/24/2026 - 08:45 PM Learn about SEC filing dates

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^*

Howe Elizabeth A.

(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)
	EVP, Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2026

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	08/20/2026		F		2,740	D	$598.81	65,148(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 52,770 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 32,088 restricted stock units that vest over time, and 20,682 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:

	Samsheer Ahamad, as Attorney-in-Fact	08/24/2026
	** 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)