Alector RSUs Vest; 12,376 Shares Reported in Form 144

Alector, Inc. reports a Form 144 notice for the vesting and planned sale of 12,376 shares of Common Stock associated with restricted stock units that vested on 02/27/2026.

Rhea-AI Filing Summary

Alector, Inc. reports a Form 144 notice for the vesting and planned sale of 12,376 shares of Common Stock associated with restricted stock units that vested on 02/27/2026.

The filing also lists three recent sell transactions by Grace Wong-Sarad: 8,056 shares on 12/03/2025 ($9,019.50), 4,753 shares on 12/05/2025 ($5,751.13), and 4,079 shares on 02/26/2026 ($10,197.50).

Insights

Securities Counsel

Form 144 logs a vested award and recent insider dispositions; it is procedural, not a substantive corporate action.

Rule 144 notices provide broker‑dealer notice of an intended sale by an affiliate or control person. The entry shows 12,376 shares vesting on 02/27/2026 and lists recent dispositions by Grace Wong‑Sarad on specified dates with exact share counts and gross amounts.

Timing and settlement mechanics are not detailed in the excerpt; subsequent broker confirmations or trade reports would show execution details and purchaser counterparties.

Executive Compensation Analyst

The disclosure ties a post‑vesting sale pathway to RSUs, showing real insider monetization in late 2025 and early 2026.

The filing records the vesting of 12,376 RSU shares on 02/27/2026. Previously, Grace Wong‑Sarad sold 8,056, 4,753, and 4,079 shares on listed dates with associated gross amounts.

These items reflect routine executive compensation settlement and disposition activity; further filings could clarify any trading plans or withholding tax treatments.

FAQ

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

What does Alector's Form 144 disclose about RSU vesting (ALEC)?

The Form 144 discloses the vesting of 12,376 Common Stock shares from RSUs on 02/27/2026. The entry identifies the securities as Common Stock and records the vesting event tied to that specific date.

How many shares did Grace Wong‑Sarad sell in late 2025 and early 2026 (ALEC)?

The filing lists three dispositions by Grace Wong‑Sarad: 8,056 shares on 12/03/2025, 4,753 shares on 12/05/2025, and 4,079 shares on 02/26/2026. Each sale includes the stated gross amounts.

What dollar amounts are shown for recent Grace Wong‑Sarad sales (ALEC)?

The excerpt shows gross amounts of $9,019.50 for 12/03/2025, $5,751.13 for 12/05/2025, and $10,197.50 for 02/26/2026. Each amount is paired with the corresponding share count.

Does the Form 144 indicate who will receive sale proceeds for the vested RSUs (ALEC)?

The text lists the vesting of 12,376 RSU shares on 02/27/2026 as issuer‑issued Common Stock. The filing does not provide further allocation details for sale proceeds within the excerpt.

Which broker‑dealer is listed on the Form 144 for these transactions (ALEC)?

The Form 144 references Morgan Stanley Smith Barney LLC at 1 New York Plaza as the broker‑dealer and lists Nasdaq as the market tied to the securities disclosure.

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

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Accepted by SEC EDGAR 02/27/2026 - 06:10 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	0002074667
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	Alector, Inc.
SEC File Number	001-38792
Address of Issuer	131 Oyster Point Blvd. Suite 600 South San Francisco CALIFORNIA 94080
Phone	(415)-231-5660
Name of Person for Whose Account the Securities are To Be Sold	Grace Wong-Sarad
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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	6297	15301.71	110374418	03/02/2026	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	02/27/2026	Vesting of Restricted Stock Units	Issuer			12376	02/27/2026	(1)

* 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
Grace Wong-Sarad C/O Alector, Inc. 131 Oyster Point Blvd., Suite 600 South San Francisco CA 94080	Common Stock	12/03/2025	8056	9019.50
Grace Wong-Sarad C/O Alector, Inc. 131 Oyster Point Blvd., Suite 600 South San Francisco CA 94080	Common Stock	12/05/2025	4753	5751.13
Grace Wong-Sarad C/O Alector, Inc. 131 Oyster Point Blvd., Suite 600 South San Francisco CA 94080	Common Stock	02/26/2026	4079	10197.50

144: Remarks and Signature

Remarks	(1) The securities to be sold were received upon the settlement of vested restricted stock units, or RSUs. The reported shares will be sold to satisfy the reporting person's tax obligations in connection with the vesting of RSUs.
Date of Notice	02/27/2026
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/ Grace Wong-Sarad
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)