Beam Therapeutics Rule 144 Notice — 25,000 Shares via Morgan Stanley

Rhea-AI Filing Summary

Beam Therapeutics (BEAM) filed a Rule 144 notice disclosing a proposed sale of 25,000 common shares through Morgan Stanley Smith Barney LLC on the NASDAQ with an aggregate market value of $612,655.00. The filing reports 101,162,026 shares outstanding for the issuer.

The securities were acquired and paid for on 10/01/2025 by a stock option exercise from the issuer, with payment in cash. The filer reports no securities sold in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information.

Positive

• Rule 144 disclosure provided, documenting the proposed sale and acquisition method
• Transaction routed through a major broker (Morgan Stanley Smith Barney LLC), indicating standard execution channels

Negative

• None.

Insights

Securities Analyst

TL;DR: Rule 144 notice discloses a single 25,000-share sale acquired by option exercise and routed through a major broker.

The filing is a routine insider liquidity disclosure under Rule 144. It specifies the number of shares, aggregate market value, acquisition method (stock option exercise), payment method (cash), and the broker handling the sale. The reported outstanding share count (101,162,026) provides context on scale. No recent sales in the prior three months are reported. The submission contains the standard attestation regarding material nonpublic information. This notice is procedural and informational rather than a corporate operational disclosure.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 requirements; the filing documents insider sale mechanics but contains no governance events.

The document fulfills required insider reporting by identifying the sale mechanics and broker. It records acquisition via an issuer stock option exercise and immediate proposed sale, which is common in equity compensation cases. The filing does not name the selling person in the visible content, nor does it present any leadership changes, related-party transactions, or governance actions. As presented, the filing raises no governance flags and appears compliant with disclosure norms.

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	612655.00	101162026	10/01/2025	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	10/01/2025	Stock Option Exercise	ISSUER			25000	10/01/2025	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

Nothing to Report

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 Form 144 disclose about the proposed sale?

The filing disclosed a proposed sale of 25,000 common shares with an aggregate market value of $612,655.00 on the NASDAQ.

How were the shares acquired that are being sold under the BEAM Form 144?

The shares were acquired on 10/01/2025 by stock option exercise from the issuer and paid for in cash.

Which broker is handling the proposed BEAM share sale?

Morgan Stanley Smith Barney LLC is named as the broker in the filing.

How many shares outstanding does the filing report for BEAM?

The filing reports 101,162,026 shares outstanding for the issuer.

Did the filer report any securities sold in the past three months?

No; the filing states "Nothing to Report" for securities sold during the past three months.