BEAM files Form 144 for 25,000-share option exercise

BEAM notice of proposed sale: a planned sale of 25,000 common shares via a stock option exercise to the issuer for cash on 06/29/2026.

Rhea-AI Filing Summary

BEAM notice of proposed sale: a planned sale of 25,000 common shares via a stock option exercise to the issuer for cash on 06/29/2026. The filing also lists prior dispositions by John M. Evans of 30,078, 25,000, and 25,000 common shares on 04/01/2026, 03/31/2026, and 03/30/2026 with the dollar amounts shown in the excerpt.

Insights

Corporate Governance Specialist

Routine insider notice of proposed sales under a stock option exercise.

The filing lists a proposed sale of 25,000 common shares through a stock option exercise to the issuer for cash on 06/29/2026. This form serves as a regulatory notice of intent to sell and does not itself report execution details.

Prior dispositions by John M. Evans are presented with transaction dates and dollar figures in the excerpt. Cash-flow treatment for the proposed transaction is stated as cash; further execution timing or settlement details are not provided in the excerpt.

Key Figures

Proposed shares to be sold: 25,000 shares Prior sale — 04/01/2026: 30,078 shares Prior sale — 03/31/2026: 25,000 shares +2 more

5 metrics

Proposed shares to be sold 25,000 shares stock option exercise on <date>06/29/2026</date>

Prior sale — 04/01/2026 30,078 shares <date>04/01/2026</date> proceeds <money>$739,434.54</money>

Prior sale — 03/31/2026 25,000 shares <date>03/31/2026</date> proceeds <money>$569,085.00</money>

Prior sale — 03/30/2026 25,000 shares <date>03/30/2026</date> proceeds <money>$559,230.00</money>

Intended transaction method Stock Option Exercise listed for the 06/29/2026 proposed sale

Key Terms

Form 144, Stock Option Exercise, Issuer

3 terms

Form 144 regulatory

"144: Securities To Be Sold Common | 06/29/2026 | Stock Option Exercise"

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.

Stock Option Exercise financial

"Securities To Be Sold Common | 06/29/2026 | Stock Option Exercise | ISSUER"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Issuer regulatory

"Stock Option Exercise | ISSUER | | | 25000 | 06/29/2026 | Cash"

FAQ

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

What does BEAM's Form 144 filed on 06/29/2026 report?

It reports a proposed sale of 25,000 common shares via a stock option exercise for cash on 06/29/2026. The form notifies the SEC of the intent to sell; it does not confirm completion details.

Who reported prior sales in the filing for BEAM?

The filing lists prior dispositions by John M. Evans: 30,078 shares on 04/01/2026, 25,000 on 03/31/2026, and 25,000 on 03/30/2026, with the dollar amounts shown in the excerpt.

What method is listed for the proposed sale of BEAM shares?

The proposed sale method is a stock option exercise to the issuer with proceeds in cash on 06/29/2026. The excerpt labels the transaction method and cash treatment explicitly.

Does Form 144 confirm the sale of the shares for BEAM?

No. Form 144 is a notice of intent to sell and indicates the proposed transaction details; it does not itself confirm whether the sale was executed or settled on the stated date.

Are dollar amounts provided for prior sales in the BEAM excerpt?

Yes. The excerpt shows dollar proceeds for prior dispositions, including $739,434.54 for 30,078 shares on 04/01/2026, and other amounts for the March sales as listed.

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

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Accepted by SEC EDGAR 06/29/2026 - 04:14 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	0001786304
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	BEAM THERAPEUTICS INC.
SEC File Number	001-39208
Address of Issuer	238 Main Street Cambridge MASSACHUSETTS 02142
Phone	(857) 327-8775
Name of Person for Whose Account the Securities are To Be Sold	JOHN M EVANS
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
Relationship to Issuer	Director

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	25000	887352.50	102879214	06/29/2026	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	06/29/2026	Stock Option Exercise	ISSUER			25000	06/29/2026	Cash

* 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
JOHN M EVANS 238 Main Street Cambridge MA 02142	Common	04/01/2026	30078	739434.54
JOHN M EVANS 238 Main Street Cambridge MA 02142	Common	03/31/2026	25000	569085.00
JOHN M EVANS 238 Main Street Cambridge MA 02142	Common	03/30/2026	25000	559230.00

144: Remarks and Signature

Remarks
Date of Notice	06/29/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/16/2025
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/ John Martin Evans III
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)