SITM insider sells 1,709 and 1,500 shares

SITM reported Form 144 transactions by a reporting person involving common stock sales.

Rhea-AI Filing Summary

SITM reported Form 144 transactions by a reporting person involving common stock sales. The filing records 05/22/2026 sale of 1,709 shares (proceeds $1,250,109.23) and 05/29/2026 sale of 1,500 shares (proceeds $1,069,082.40). The filing also notes 1,000 restricted shares vested on 05/20/2026 under a registered compensation plan.

Insights

Securities Compliance Analyst

Form 144 discloses reported sales and a recent restricted‑share vesting.

The filing lists two open‑market dispositions by the reporting person: 1,709 shares on 05/22/2026 and 1,500 shares on 05/29/2026, with proceeds shown.

These are routine insider sale disclosures under resale rules; timing and method of sale are recorded but the filing does not attach additional qualifiers about plans or approvals.

Corporate Compensation Specialist

Vest of restricted stock under a registered compensation plan is documented separately from sales.

The filing shows 1,000 restricted shares vested on 05/20/2026 as compensation under a registered plan; this appears as the source of at least some shares available to the holder.

Compensation vesting and subsequent reported sales are standard reporting items; further detail on withholding or tax treatment is not provided in the excerpt.

Key Figures

Shares sold: 1,709 shares Proceeds: $1,250,109.23 Shares sold: 1,500 shares +2 more

5 metrics

Shares sold 1,709 shares Sale on <date>05/22/2026</date>

Proceeds $1,250,109.23 Proceeds reported for 1,709‑share sale on <date>05/22/2026</date>

Shares sold 1,500 shares Sale on <date>05/29/2026</date>

Proceeds $1,069,082.40 Proceeds reported for 1,500‑share sale on <date>05/29/2026</date>

Restricted shares vested 1,000 shares Vesting under a registered compensation plan on <date>05/20/2026</date>

Key Terms

Form 144, restricted stock vesting, registered plan

3 terms

Form 144 regulatory

"Filing header and transaction table referencing sales disclosure"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

restricted stock vesting compensation

"Restricted stock vesting under a registered plan on 05/20/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

registered plan regulatory

"Compensation source listed as 'registered plan' for 1,000 shares"

A registered plan is a savings or investment account that a government recognizes for special tax treatment and rules, such as limits on how much you can put in and conditions for withdrawals. For investors it matters because those rules change how much of your gains are taxed, how quickly your money can be accessed and what strategies make sense — like a labeled jar that gives tax breaks but comes with rules about when and how you can take the money out.

FAQ

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

What Form 144 disclosure did SITM file?

The filing reports insider sales of common stock and a recent restricted‑share vesting. It lists sales of 1,709 shares on 05/22/2026 and 1,500 shares on 05/29/2026, and 1,000 restricted shares vested on 05/20/2026.

Who executed the stock sales reported in the SITM Form 144?

The reporting person named is Fariborz Assaderaghi, who is shown as selling shares. The document lists his sales of 1,709 shares and 1,500 shares on the dates shown.

Did the Form 144 show proceeds from the sales for SITM?

Yes, the filing includes proceeds amounts next to each sale. The 1,709‑share sale shows $1,250,109.23 and the 1,500‑share sale shows $1,069,082.40.

Were the sold shares from vested compensation for SITM?

The filing records 1,000 restricted shares that vested on 05/20/2026 under a registered compensation plan. It does not explicitly link which sold shares originated from that vesting.

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

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Accepted by SEC EDGAR 06/03/2026 - 04:40 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001834679
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SITIME CORPORATION
SEC File Number	001-39135
Address of Issuer	5451 Patrick Henry Drive Santa Clara CALIFORNIA 95054
Phone	(408) 328-4400
Name of Person for Whose Account the Securities are To Be Sold	FARIBORZ ASSADERAGHI
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	702900.00	26396828	06/03/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/20/2026	Restricted stock vesting under a registered plan	Issuer			1000	05/20/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
FARIBORZ ASSADERAGHI 5451 Patrick Henry Drive Santa Clara CA 95054	Common	05/29/2026	1500	1069082.40
FARIBORZ ASSADERAGHI 5451 Patrick Henry Drive Santa Clara CA 95054	COMMON	05/22/2026	1709	1250109.23

144: Remarks and Signature

Remarks
Date of Notice	06/03/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Fariborz Assaderaghi
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)