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Insider Cluster (2 insiders) ·Filed Feb 26, 2026

ALEC

Alector, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed7mo ago
Insider cluster: 2 insiders, $73K total
Actionable Insight • Neutral

Monitor for additional selling in the coming weeks; current activity is within normal ranges and not indicative of material concern.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
ALEC ▼ -9.88% at T+60d
NEUTRAL call -9.88% · α vs SPY -19.29% · entry $2.43 → $2.19
Entry = T+0 close
Feb 26, 2026
via day close
T+1d
-9.05%
call -9.05% · α -9.11%
$2.21
settled 8mo ago
T+5d
-17.70%
call -17.70% · α -15.71%
$2.00
settled 8mo ago
T+20d
-17.70%
call -17.70% · α -10.13%
$2.00
settled 7mo ago
T+60d
-9.88%
call -9.88% · α -19.29%
$2.19
settled 5mo ago

Price Chart

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Executive Summary

Two Alector executives — the CFO and Principal Accounting Officer — sold shares in the past week, totaling $73,151 in open-market transactions. The sales are small in absolute value and represent a routine level of insider activity.

Key Financial Metrics

Direction
selling
Total Value
$73.2K
Insiders
2

Key Facts

  • CFO & Chief Business Officer Berkley Neil Lindsay sold 29,649 shares for $62,954 in an open-market transaction.
  • Principal Accounting Officer Grace Wong-Sarad sold 4,079 shares for $10,198 in an open-market transaction.
  • Total value of insider sales in the past 7 days: $73,151.
  • Combined sales represent approximately 0.03% of Alector's $244M market cap.

Financial Impact

$73,151 in total insider sales over 7 days

insider ownershipmarket sentiment

Risk Factors

  • Perception risk if further insider selling follows, especially from C-suite executives.
  • Low liquidity could amplify price impact if selling accelerates.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (2 trades, 7d window)cluster-ALEC-1772571950732
16 reports for ALEC
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 7 of 7 best @ T+60▲ +26.67%May 7, 2026
Filters
Rows
Reports for ALEC — sortable, filterable
TypeNow
Oct 26, 2026
today
SC 13G
NEUTRAL ★ 4/10
$1.82awaiting T+60—$1.83 (+0.55%)
Oct 23, 2026
3d ago
SC 13G
BULLISH ★ 5/10
$1.84awaiting T+60—$1.83 (−0.33%)
Oct 16, 2026
10d ago
424B5
BEARISH ★ 6/10
$1.95awaiting T+60—$1.83 (+6.15%)
Oct 16, 2026
10d ago
8-K
BEARISH ★ 7/10
$1.95awaiting T+60—$1.83 (+6.15%)
Oct 14, 2026
12d ago
8-K
NEUTRAL ★ 3/10
$1.88awaiting T+60—$1.83 (−2.66%)
Oct 5, 2026
21d ago
8-K
BULLISH ★ 7/10
$1.99awaiting T+60—$1.83 (−8.04%)
Oct 5, 2026
21d ago
Press Release
BULLISH ★ 7/10
$1.99awaiting T+60—$1.83 (−8.04%)
Sep 18, 2026
5w ago
SC 13G
NEUTRAL ★ 4/10
$1.93awaiting T+60—$1.83 (−5.18%)
Sep 4, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$2.47awaiting T+60—$1.83 (−25.91%)
Aug 15, 2026
10w ago
Institutional Cluster
MIXED ★ 4/10
$2.05awaiting T+60—$1.83 (−10.73%)
Showing 10 of 16

US Market Status

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Report published Mar 3, 2026