SiTime director sells 1,000 shares at $745

SITIME Corp (SITM) director Frank Edward H. reported selling 1,000 shares of common stock on August 17, 2026 at $745.00 per share.

Rhea-AI Filing Summary

SITIME Corp (SITM) director Frank Edward H. reported selling 1,000 shares of common stock on August 17, 2026 at $745.00 per share. Following this sale, he directly holds 10,999 shares, which include 390 shares issuable under an unvested restricted stock unit award. He also reports indirect ownership through the Whitton Anne Frank 2015 Heritage Trust and the Naomi Mantor Frank 2015 Heritage Trust, where he serves as a trustee with voting and investment power.

Insider Trade Summary

Net Seller: 1,000 shares

Net Sell 3 txns

Insider Frank Edward H.

Role Director

Sold 1,000 shs ($745K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,000	$745.00	$745K
holding	Common Stock F2	--	--	--
holding	Common Stock F3	--	--	--

Holdings After Transaction: Common Stock — 10,999 shares (Direct); Common Stock — 2,000 shares (Indirect, See Footnote)

Footnotes (3)

1. F1. Includes an aggregate of 390 shares of common stock issuable pursuant to the restricted stock unit award reported pursuant to this Form 4 that has not yet vested.
2. F2. The reportable securities are owned directly by Whitton Anne Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares.
3. F3. The reportable securities are owned directly by Naomi Mantor Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares.

Key Figures

Shares sold: 1,000 shares Sale price: $745.00 per share Direct holdings after transaction: 10,999 shares +2 more

5 metrics

Shares sold 1,000 shares Common stock sale on August 17, 2026 (transaction code S)

Sale price $745.00 per share Price for the 1,000 SITIME Corp common shares sold

Direct holdings after transaction 10,999 shares Direct common stock ownership following the August 17, 2026 sale

Unvested RSU shares included 390 shares Shares issuable under an unvested restricted stock unit award included in 10,999 shares

Net shares sold 1,000 shares Net buy/sell activity in this Form 4 (net-sell direction)

Key Terms

restricted stock unit, voting and investment power, indirect ownership

3 terms

restricted stock unit financial

"shares of common stock issuable pursuant to the restricted stock unit award"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

voting and investment power financial

"has voting and investment power over the shares"

indirect ownership financial

"The reportable securities are owned directly by ... Trust"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SITM director Frank Edward H. report on August 17, 2026?

Frank Edward H., a director of SITIME Corp (SITM), reported selling 1,000 shares of common stock on August 17, 2026 at a price of $745.00 per share in an open market or private transaction.

How many SITM shares does Frank Edward H. own directly after this Form 4 transaction?

After the reported sale, Frank Edward H. directly holds 10,999 shares of SITIME Corp common stock. This total includes 390 shares issuable under an unvested restricted stock unit award reported in the same Form 4 filing.

At what price did the SITM insider sell shares in the August 17, 2026 transaction?

The SITIME Corp director sold shares at a price of $745.00 per share. The Form 4 describes the transaction code as “S”, indicating a sale in an open market or private transaction of common stock.

Does the SITM director have any restricted stock units mentioned in this Form 4?

Yes. The Form 4 footnote states that his direct holdings include 390 shares of common stock issuable under a restricted stock unit award that has not yet vested, counted within the 10,999 post-transaction direct shares.

What indirect SITM share holdings are reported through trusts for Frank Edward H.?

Indirectly, reportable securities are held by the Whitton Anne Frank 2015 Heritage Trust and the Naomi Mantor Frank 2015 Heritage Trust. The director is a trustee of each trust and has voting and investment power over the shares held by those trusts.

Was the SITM insider transaction reported as part of a Rule 10b5-1 trading plan?

The Form 4 indicates that the Rule 10b5-1 checkbox is not affirmed (aff_10b5_one is false). There is no footnote stating that the 1,000-share sale on August 17, 2026 was made pursuant to a Rule 10b5-1 trading plan.

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

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Available on EDGAR 08/19/2026 - 05:42 PM EDT Accepted by SEC EDGAR 08/19/2026 - 05:42 PM EDT 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^*

Frank Edward H.

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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	08/17/2026		S		1,000	D	$745	10,999(1)	D
Common Stock								1,000	I	See Footnote(2)
Common Stock								1,000	I	See Footnote(3)

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 390 shares of common stock issuable pursuant to the restricted stock unit award reported pursuant to this Form 4 that has not yet vested.

2. The reportable securities are owned directly by Whitton Anne Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares.

3. The reportable securities are owned directly by Naomi Mantor Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares.

Remarks:

	Samsheer Ahamad, Attorney-in-fact	08/19/2026
	** 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)