BEAM insider sale: 25,000 shares via option exercise on 10/02/2025

Rhea-AI Filing Summary

An insider filing under Rule 144 discloses the proposed sale of 25,000 common shares of Beam Therapeutics (BEAM). The shares were acquired via a stock option exercise and paid in cash on 10/02/2025. The sale is to be executed through Morgan Stanley Smith Barney LLC with an indicated aggregate market value of $615,667.50 and the issuer's shares outstanding listed as 100,557,094. The filing also reports a prior sale of 25,000 shares on 10/01/2025 that generated $612,655.00 in gross proceeds. The filer certifies they are not aware of undisclosed material adverse information about the issuer.

Positive

• Transaction disclosed publicly under Rule 144 with broker identified
• Securities acquired via stock option exercise and paid in cash on the same date

Negative

• Insider sale of 25,000 shares on 10/02/2025 (aggregate value $615,667.50) which may increase share supply
• Prior sale of 25,000 shares on 10/01/2025 with $612,655.00 gross proceeds

Insights

Insider Transactions Analyst

Insider sold 25,000 shares following an option exercise on 10/02/2025.

The filing shows the shares were acquired by stock option exercise and paid in cash the same day, indicating the sale results from option liquidity rather than an open-market purchase. The transaction is routed through Morgan Stanley Smith Barney LLC with an aggregate market value of $615,667.50.

The filing also lists a separate sale of 25,000 shares on 10/01/2025 with $612,655.00 gross proceeds, showing consecutive insider dispositions. The filer affirms no undisclosed material adverse information.

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	25000	615667.50	100557094	10/02/2025	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	10/02/2025	Stock Option Exercise	ISSUER			25000	10/02/2025	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	10/01/2025	25000	612655.00

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 did the BEAM insider file disclose?

The filing discloses a proposed sale of 25,000 common shares acquired by stock option exercise and paid in cash on 10/02/2025.

Through which broker will the BEAM shares be sold?

The sale is to be executed through Morgan Stanley Smith Barney LLC at 1 New York Plaza.

What is the aggregate market value of the shares to be sold?

The filing lists an aggregate market value of $615,667.50 for the 25,000 shares.

Were there any recent prior insider sales disclosed?

Yes. The filing reports a sale of 25,000 shares on 10/01/2025 with gross proceeds of $612,655.00.

How many shares outstanding does the filing list for the issuer?

The filing lists 100,557,094 shares outstanding for the issuer.