Neil Lindsay Berkley

CIK: 0002075298

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (55.6%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (44.4%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ALEC

Alector, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

ALEC
Alector, Inc.
Oct 14, 2026
Award(A)
Direct
44.6K shares-
ALEC
Alector, Inc.
Sep 3, 2026
Sale(S)
Direct
29.3K shares at avg. $2.66$78K
ALEC
Alector, Inc.
Jun 2, 2026
Sale(S)
Direct
19.4K shares at avg. $1.97$38K
ALEC
Alector, Inc.
Mar 15, 2026
Award(A)
Direct
54.6K shares-
ALEC
Alector, Inc.
Mar 2, 2026
Sale(S)
Direct
29.6K shares at avg. $2.12$63K
ALEC
Alector, Inc.
Dec 3, 2025
Sale(S)
Direct
37.3K shares at avg. $1.12$42K
ALEC
Alector, Inc.
Nov 10, 2025
Award(A)
Direct
65K shares-
ALEC
Alector, Inc.
Sep 2, 2025
Sale(S)
Direct
15.8K shares at avg. $2.50$40K
ALEC
Alector, Inc.
Jul 1, 2025
Award(A)
Employee Stock Option (right to buy)
Direct
18K shares-

		Type	Shares	Price		Ownership
Oct 14, 2026	ALEC Alector, Inc.	Award(A)	44,567	-	$0	Direct
Sep 3, 2026	ALEC Alector, Inc.	Sale(S)	29,251	$2.66	$77,948	Direct
Jun 2, 2026	ALEC Alector, Inc.	Sale(S)	19,360	$1.97	$38,221	Direct
Mar 15, 2026	ALEC Alector, Inc.	Award(A)	54,600	-	$0	Direct
Mar 2, 2026	ALEC Alector, Inc.	Sale(S)	29,649	$2.12	$62,954	Direct
Dec 3, 2025	ALEC Alector, Inc.	Sale(S)	37,261	$1.12	$41,717	Direct
Nov 10, 2025	ALEC Alector, Inc.	Award(A)	65,000	-	-	Direct
Sep 2, 2025	ALEC Alector, Inc.	Sale(S)	15,842	$2.50	$39,554	Direct
Jul 1, 2025	ALEC Alector, Inc.	Award(A) Employee Stock Option (right to buy)	18,000	-	-	Direct

1-9 of 9 transactions

About Berkley Neil Lindsay

Berkley Neil Lindsay (SEC CIK 0002075298) files insider reports with the SEC as CFO & Chief Business Officer of Alector, Inc. (ALEC).

Signal8 holds 10 ownership filings by Berkley Neil Lindsay (1 Form 3, 9 Form 4), filed between Jun 30, 2025 and Oct 15, 2026. Those filings report 9 transactions, from Jul 1, 2025 to Oct 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Berkley Neil Lindsay's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Berkley Neil Lindsay

Oct 14, 2026: Grant or award of ALEC shares (Form 4, code A).
Sep 3, 2026: Open-market sale of ALEC shares (Form 4, code S).
Jun 2, 2026: Open-market sale of ALEC shares (Form 4, code S).
Mar 15, 2026: Grant or award of ALEC shares (Form 4, code A).
Mar 2, 2026: Open-market sale of ALEC shares (Form 4, code S).

Other insiders filing for Alector, Inc. (ALEC)

Rosenthal Arnon, Chief Executive Officer
Wong-Sarad Grace, Principal Accounting Officer
Yaffe Kristine, Director
SCHELLER RICHARD H, Director
Hammond Paula, Director
GAROFALO ELIZABETH A., Director

How to read Form 4 transaction codes