Alector (ALEC) CFO sells 29,649 shares to cover RSU tax obligations

Rhea-AI Filing Summary

Alector, Inc. executive Neil Lindsay Berkley, the CFO and Chief Business Officer, reported an open-market sale of common stock. He sold 29,649 shares on March 2, 2026 at a weighted average price of $2.1233 per share to cover tax obligations from vesting RSUs. After this transaction, he continued to hold 344,660 shares of Alector common stock directly.

Insider Trade Summary

Net Seller: 29,649 shares ($62,954)

Net Sell 1 txn

Insider Berkley Neil Lindsay

Role CFO & Chief Business Officer

Sold 29,649 shs ($63K)

Type	Security	Shares	Price	Value
Sale	Common Stock	29,649	$2.1233	$63K

Holdings After Transaction: Common Stock — 344,660 shares (Direct)

Footnotes (1)

1. The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.04 to $2.37. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Berkley Neil Lindsay

(Last) (First) (Middle)

C/O ALECTOR, INC.

131 OYSTER POINT BLVD, SUITE 600

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Alector, Inc. [ ALEC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO & Chief Business Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/02/2026		S(1)		29,649	D	$2.1233(2)	344,660	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $2.04 to $2.37. Full information regarding the number of shares sold at each separate price can be furnished to the SEC staff, the issuer, or any security holder of the issuer upon request.

	/s/ Grace Wong-Sarad, by power of attorney	03/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Alector (ALEC) report for Neil Berkley?

Alector reported that CFO and Chief Business Officer Neil Lindsay Berkley sold 29,649 shares of common stock. The sale occurred on March 2, 2026, and was executed as an open-market transaction at a weighted average price of $2.1233 per share.

Why did Alector (ALEC) executive Neil Berkley sell 29,649 shares?

Neil Berkley sold 29,649 Alector shares to satisfy his tax obligations related to vesting restricted stock units. The filing notes the sale was specifically to cover these RSU-related taxes, rather than a discretionary reduction of his overall equity stake in the company.

What price did Alector (ALEC) insider Neil Berkley receive for the sold shares?

The reported sale by Neil Berkley used a weighted average price of $2.1233 per share. The filing explains the shares were sold in multiple transactions between $2.04 and $2.37, with detailed trade breakdowns available to the SEC, issuer, or shareholders upon request.

How many Alector (ALEC) shares does Neil Berkley hold after the sale?

Following the March 2, 2026 sale, Neil Berkley directly held 344,660 shares of Alector common stock. This post-transaction balance is disclosed in the Form 4 and reflects his remaining direct ownership after selling shares to cover RSU-related tax obligations.

Was Neil Berkley’s Alector (ALEC) stock sale an open-market transaction?

Yes, the transaction is described as an open-market sale of common stock. The Form 4 categorizes it with transaction code “S” and notes that the price is a weighted average of multiple trades executed within a $2.04 to $2.37 per share range.