Insider sale: Margaret Horn notifies sale of 14,583 RVMD shares (RVMD)

Rhea-AI Filing Summary

Revolution Medicines (RVMD) submitted a Form 144 notice reporting proposed sales of Common Stock by an insider. The filing lists two dispositions by Margaret A. Horn: 4,583 shares on 03/17/2026 (proceeds $455,918.67) and 10,000 shares on 06/11/2026 (proceeds $1,480,140.00). The filing also lists restricted stock unit grants of 1,272, 1,304, and 910 shares dated 03/01/2023, 03/01/2024, and 03/01/2025 respectively. Shares outstanding are shown as 212,596,462 as of 06/15/2026.

Insights

Equity Markets Analyst

Form 144 lists two insider dispositions totaling 14,583 shares and about $1.94M in gross proceeds.

The filing shows reported dispositions by Margaret A. Horn: 4,583 shares on 03/17/2026 for $455,918.67 and 10,000 shares on 06/11/2026 for $1,480,140.00. These are notice filings for planned sales under Section 144 procedures.

Cashflow treatment or whether sales were under a trading plan is not stated in the excerpt; subsequent SEC filings could clarify timing or method of sale.

Key Figures

Disposition (03/17/2026): 4,583 shares Proceeds (03/17/2026): $455,918.67 Disposition (06/11/2026): 10,000 shares +5 more

8 metrics

Disposition (03/17/2026) 4,583 shares sale date 03/17/2026

Proceeds (03/17/2026) $455,918.67 proceeds reported for 4,583-share disposition

Disposition (06/11/2026) 10,000 shares sale date 06/11/2026

Proceeds (06/11/2026) $1,480,140.00 proceeds reported for 10,000-share disposition

Shares outstanding 212,596,462 shares as of 06/15/2026

RSU grant (2023) 1,272 shares restricted stock unit grant dated 03/01/2023

RSU grant (2024) 1,304 shares restricted stock unit grant dated 03/01/2024

RSU grant (2025) 910 shares restricted stock unit grant dated 03/01/2025

Key Terms

Restricted stock unit, Form 144, Proceeds

3 terms

Restricted stock unit financial

"Restricted stock unit grant dated 03/01/2023"

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.

Form 144 regulatory

"Securities Sold During The Past 3 Months section lists Form 144 dispositions"

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.

Proceeds financial

"455918.67 and 1480140.00 listed alongside share dispositions"

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Available on EDGAR 06/15/2026 - 05:52 PM Accepted by SEC EDGAR 06/15/2026 - 05:51 PM 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
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 Stock	ETRADE Financial Corporation 3 Edison Drive Alpharetta GA 30005	3486	536390.82	212596462	06/15/2026	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 Stock	03/01/2023	Restricted stock unit grant	Issuer			1272	03/01/2023	Services Rendered
Common Stock	03/01/2024	Restricted stock unit grant	Issuer			1304	03/01/2024	Services Rendered
Common Stock	03/01/2025	Restricted stock unit grant	Issuer			910	03/01/2025	Services Rendered

* 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
Margaret A. Horn c/o Revolution Medicines, Inc. 700 Saginaw Drive Redwood City CA 94063	Common Stock	03/17/2026	4583	455918.67
Margaret A. Horn c/o Revolution Medicines, Inc. 700 Saginaw Drive Redwood City CA 94063	Common Stock	06/11/2026	10000	1480140.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 Revolution Medicines' (RVMD) Form 144 disclose?

The Form 144 discloses proposed sales of Common Stock by Margaret A. Horn: 4,583 shares on 03/17/2026 and 10,000 shares on 06/11/2026, with proceeds listed as $455,918.67 and $1,480,140.00 respectively.

How many total shares are shown as outstanding for RVMD in this excerpt?

The excerpt shows 212,596,462 shares outstanding as of 06/15/2026. This number is presented in the filing content and serves as a baseline context for the reported dispositions.

Does the filing show any restricted stock units (RSUs) for RVMD insiders?

Yes. The filing lists RSU grants of 1,272 shares dated 03/01/2023, 1,304 shares dated 03/01/2024, and 910 shares dated 03/01/2025 as recorded in the securities section.

Do the Form 144 entries confirm the timing or method of sale for the reported shares?

No. The Form 144 entries report proposed sale dates and share counts but do not specify sale method or confirm settlement; details on execution or trading plans are not included in the provided excerpt.