Alector (ALEC) CFO granted 54,600 RSUs, holdings rise to 399,260 shares

Rhea-AI Filing Summary

Alector, Inc. reported that its CFO & Chief Business Officer, Neil Lindsay Berkley, received an equity award of 54,600 shares of Common Stock in the form of restricted stock units. These RSUs were granted at no cash cost and increase his direct holdings to 399,260 shares.

The award vests over time: one half of the RSUs will vest on September 1, 2026, and the remaining half will vest on March 1, 2027. Vesting means the units convert into unrestricted shares if the applicable service-based conditions are satisfied.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Berkley Neil Lindsay

Role CFO & Chief Business Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	54,600	$0.00	--

Holdings After Transaction: Common Stock — 399,260 shares (Direct)

Footnotes (1)

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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)
03/13/2026

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	03/15/2026		A		54,600(1)	A	$0	399,260	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 are represented by restricted stock units, or RSUs, one half (1/2) of the total shares shall vest on September 1, 2026 and one half (1/2th) of the total shares shall vest on March 1, 2027.

	/s/ Grace Wong-Sarad, by power of attorney	03/13/2026
	** 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) disclose for Neil Lindsay Berkley?

Alector disclosed that CFO & Chief Business Officer Neil Lindsay Berkley received a grant of 54,600 restricted stock units. These RSUs represent potential future shares of Common Stock and were awarded as compensation rather than purchased in the open market.

How many Alector (ALEC) shares does Neil Lindsay Berkley hold after this Form 4?

After the RSU grant, Neil Lindsay Berkley is reported to beneficially own 399,260 shares of Alector Common Stock. This figure includes the newly granted restricted stock units that are subject to future vesting conditions and timing described in the filing footnote.

What is the vesting schedule for Neil Lindsay Berkley’s new Alector RSUs?

The 54,600 Alector RSUs vest in two equal installments. One half of the award will vest on September 1, 2026, and the remaining half will vest on March 1, 2027, assuming the applicable service-based vesting conditions are satisfied.

Did Neil Lindsay Berkley buy or sell Alector (ALEC) shares in this transaction?

He did not buy or sell shares on the open market. Instead, Neil Lindsay Berkley received a grant of 54,600 restricted stock units as compensation, recorded under transaction code “A” for a grant, award, or other acquisition of Common Stock.

What does transaction code "A" mean in Alector’s Form 4 for Neil Lindsay Berkley?

Transaction code “A” indicates a grant, award, or other acquisition of securities rather than an open-market trade. For Alector, it shows Neil Lindsay Berkley received 54,600 restricted stock units of Common Stock as part of his equity compensation package.

Are Neil Lindsay Berkley’s new Alector RSUs immediately transferable?

The RSUs are not fully vested immediately. They are scheduled to vest in two equal tranches on September 1, 2026, and March 1, 2027. Only as vesting occurs do the units typically convert into freely transferable shares of Common Stock.