Form 144: 4,984-share 10b5-1 sale reported

Morgan Stanley Smith Barney LLC filed a Form 144 notice reporting proposed resale activity by a selling holder associated with SITM.

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC filed a Form 144 notice reporting proposed resale activity by a selling holder associated with SITM. The filing lists 4,984 shares sold on 02/24/2026 (proceeds shown as $2,025,771.22) under a 10b5-1 plan. The excerpt also lists 1,709 restricted stock units dated 05/20/2026.

Insights

Insider Transactions Analyst

Routine Form 144 notice for an insider sale under a 10b5-1 plan; administrative disclosure.

The filing records a 10b5-1 sale of 4,984 shares on 02/24/2026 with proceeds listed as $2,025,771.22. This is a transactional disclosure of a resale by a reporting holder; timing and method are stated in the excerpt.

Cash‑flow treatment and any lockup or transfer restrictions are not shown in the provided excerpt. Subsequent SEC or broker filings may provide additional settlement or transfer details.

Key Figures

Shares sold: 4,984 shares Proceeds: $2,025,771.22 Trading plan: 10b5-1 +2 more

5 metrics

Shares sold 4,984 shares sale date <date>02/24/2026</date>

Proceeds $2,025,771.22 proceeds shown alongside the 4,984-share sale

Trading plan 10b5-1 sale executed under a 10b5-1 plan (excerpt wording)

Restricted Stock Units 1,709 RSUs RSUs dated <date>05/20/2026</date>

Broker Morgan Stanley Smith Barney LLC listed as broker on the Form 144 excerpt

Key Terms

10b5-1, Form 144, Restricted Stock Units

3 terms

10b5-1 regulatory

"10b5-1 Sales for FARIBORZ ASSADERAGHI"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Form 144 regulatory

"Filer Information | 144: Filer Information"

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 Units financial

"COMMON | 05/20/2026 | 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.

FAQ

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

What did SITM's Form 144 report regarding insider sales?

Answer: The filing reports a 10b5-1 sale of 4,984 shares on 02/24/2026 with proceeds shown as $2,025,771.22. The notice is an administrative resale disclosure and lists related restricted stock units dated 05/20/2026.

Who is identified as the selling party in the SITM Form 144?

Answer: The excerpt names Fariborz Assaderaghi with an address in Santa Clara, CA, and lists Morgan Stanley Smith Barney LLC as the broker. The filing links the sale to a 10b5-1 plan in the excerpt.

Does the Form 144 state how many restricted stock units are involved?

Answer: The filing shows 1,709 Restricted Stock Units dated 05/20/2026. The RSUs are listed in the securities information section of the excerpt provided.

Does the Form 144 specify who receives the sale proceeds for SITM?

Answer: The excerpt displays proceeds of $2,025,771.22 tied to the 4,984-share sale but does not state explicitly who receives the proceeds. The filing lists the broker as Morgan Stanley Smith Barney LLC.

Is the reported sale described as part of a trading plan in the SITM filing?

Answer: Yes; the excerpt references 10b5-1 sales in connection with the transaction for Fariborz Assaderaghi, indicating the sale was effected under a prearranged plan as shown in the excerpt.

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

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Accepted by SEC EDGAR 05/22/2026 - 04:35 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	4083284400
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	1709	1216449.11	26396828	05/22/2026	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 Units	Issuer			1709	05/20/2026	N/A

* 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
10b5-1 Sales for FARIBORZ ASSADERAGHI 5451 Patrick Henry Drive Santa Clara CA 95054	COMMON	02/24/2026	4984	2025771.22

144: Remarks and Signature

Remarks
Date of Notice	05/22/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/14/2025
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)