[144] SiTime Corporation SEC Filing

Rhea-AI Filing Summary

SiTime Corporation (SITM) Form 144 notice: An individual, Samsheer Ahamad, reported a proposed sale of 3,811 shares of common stock through Stifel Nicolaus on 09/11/2025 with an aggregate market value of $971,700. The shares were acquired as RSUs from SiTime Corp on 03/11/2021 and the reported payment method is net exercise. The filing also lists recent sales by the same person: 6,000 shares sold on 09/10/2025 for $1,500,000 and 2,000 shares sold on 09/03/2025 for $453,000. The filer certifies they are not aware of any material nonpublic information about the issuer.

Positive

• Compliance with Rule 144 is documented through timely filing of the notice
• Acquisition details are disclosed (RSUs dated 03/11/2021) and payment method (net exercise) is provided
• Broker and planned sale date (Stifel Nicolaus, 09/11/2025) are specified, aiding transparency

Negative

• Substantial insider selling in short succession: 6,000 shares on 09/10/2025, 2,000 on 09/03/2025, plus the proposed 3,811-share sale
• Materiality unclear because the filing does not state percentage ownership or whether sales are part of a trading plan

Insights

Securities Analyst

TL;DR: Insider has recently sold substantial shares and filed a Form 144 for an additional sale; disclosure is routine but notable for size.

The filing documents a proposed 3,811-share sale valued at $971,700 and two recent sales totaling 8,000 shares with proceeds of $1,953,000. All shares were acquired as RSUs on 03/11/2021 and the proposed sale is to be executed through Stifel Nicolaus on 09/11/2025. From a market-impact perspective, these are disclosed insider transactions that investors monitor for signaling; the filing itself complies with Rule 144 disclosure requirements but does not provide reasons for the sales or any change to company operations.

Corporate Governance Expert

TL;DR: Compliance with Rule 144 is documented; the seller affirms no material nonpublic information, and the filing clarifies acquisition and payment method.

The Form 144 lists acquisition details (RSUs, net exercise) and identifies the broker and planned sale date. The signature statement affirms the seller is unaware of undisclosed material information. This is a standard governance disclosure that supports market transparency but contains no new operational or financial disclosures about SiTime.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	Stifel Nicolaus 501 N Broadway St Louis MO 63201	3811	971700.00	26000000	09/11/2025	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	03/11/2021	RSUs	SiTime Corp			3811	03/11/2021	net excercise

* 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
Samsheer Ahamad 5451 Patrick Henry Dr Santa Clara CA 95054	Common	09/10/2025	6000	1500000.00
Samsheer Ahamad 5451 Patrick Henry Dr Santa Clara CA 95054	Common	09/03/2025	2000	453000.00

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the SITM Form 144 filed by Samsheer Ahamad disclose?

It discloses a proposed sale of 3,811 common shares valued at $971,700 to be executed on 09/11/2025, acquired as RSUs on 03/11/2021.

How many SiTime (SITM) shares did the insider sell in the past month according to the filing?

The filing reports prior sales of 6,000 shares on 09/10/2025 for $1,500,000 and 2,000 shares on 09/03/2025 for $453,000.

Who is the broker handling the planned SITM sale?

The planned sale is to be handled by Stifel Nicolaus (501 N Broadway St Louis MO 63201).

When were the shares being sold originally acquired?

The shares were acquired as RSUs on 03/11/2021 from SiTime Corp and the payment method is listed as net exercise.

Does the filing indicate the insider has material nonpublic information about SITM?

No; the filer represents by signature that they do not know any material adverse nonpublic information regarding the issuer.