Insider Notice: ALEC Restricted Stock Sale Planned (76,446 shares)

Rhea-AI Filing Summary

Alector, Inc. (ALEC) submitted a Form 144 reporting a proposed sale of 76,446 common shares with an aggregate market value of $152,892.00, against 101,212,329 shares outstanding. The filing states the shares were acquired as restricted stock on 03/01/2023 and lists an approximate sale date of 08/08/2025 on NASDAQ through Morgan Stanley Smith Barney LLC. The notice also discloses a prior sale of 16,488 shares on 06/02/2025 for gross proceeds of $22,065.89. The signer represents there is no undisclosed material adverse information and includes standard Rule 144 attestations.

Insights

Securities Analyst

TL;DR: Insider plans a small, compliant sale of restricted shares; size is immaterial to capitalization.

The Form 144 notifies the market of a proposed sale of 76,446 restricted shares valued at $152,892, representing roughly 0.08% of the reported 101.2 million shares outstanding. From a market-impact standpoint this is immaterial to equity capitalization and likely will not affect trading liquidity or valuation. The filing names Morgan Stanley Smith Barney as broker and provides an approximate sale date, which supports regulatory transparency but does not imply material company-level change.

Corporate Governance Expert

TL;DR: Filing demonstrates routine insider compliance with Rule 144; disclosures are standard and include prior recent sale.

The notice documents acquisition as restricted stock on 03/01/2023 and confirms the required attestation that no undisclosed material adverse information exists. The inclusion of a recent sale on 06/02/2025 for 16,488 shares shows prior deleveraging by the reporting person. These elements indicate standard adherence to disclosure obligations rather than signaling governance concerns or material events requiring investor action.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	76446	152892.00	101212329	08/08/2025	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	03/01/2023	Restricted Stock	Issuer			76446	03/01/2023	Not Applicable

* 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
MARC GRASSO 131 Oyster Point Blvd., Suite 600 South San Francisco CA 94080	Common	06/02/2025	16488	22065.89

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)