ALAB Astera Labs, Inc.

NEUTRAL Impact: 2/10 144
Horizon immediate Filed May 7, 2026 Processed 13d 4h ago SEC 0001973251-26-000017
Form 144 — notice of proposed sale of securities
Latest settled — T+5d
ALAB ▲ +14.54% at T+5d
NEUTRAL call ✓ call won +14.54% · α vs SPY +13.03% · entry $195.65 → $224.09
Next anchor: T+20d in 16d
Currently $287.48 · +46.94% from $195.65 entry
Entry anchored
May 7, 03:29 PM ET
via Databento tick
T+1d
+2.12%
call +2.12% · α +1.29%
$199.79
settled 12d ago
T+5d
+14.54%
call +14.54% · α +13.03%
$224.09
settled 6d ago
T+20d
call — · α —
in 16d
T+60d
call — · α —
in 3mo

Price Chart

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Executive Summary

Director/affiliate Stefan A. Dyckerhoff filed a Form 144 indicating intent to sell 124,999 shares of Astera Labs (~$2.5M, or 0.07% of market cap). The insider has already sold shares in mid-April, suggesting a pre-planned diversification or tax strategy. The sale is immaterial relative to the company's $36.6B market cap.

Actionable Insight

No material impact expected. Monitor for actual execution on Form 4 filings. This appears to be a planned sell-down by an early investor/affiliate, not a signal of operational weakness.

Key Facts

  • Proposed sale of 124,999 common shares at ~$20.00/share, value ~$2.5M
  • Insider is an affiliate (likely director/board member) – not the CEO/CFO
  • Insider has sold shares on 4/17/2026 (11,599 sh) and 4/20/2026 (13,399 sh)
  • Shares acquired via pro-rata distribution from Sutter Hill Ventures in 2024 and earlier private placements
  • Proposed sale represents ~0.07% of outstanding shares (170M)

Financial Impact

~$2.5M proposed sale, less than 0.01% of market cap

dilution

Risk Factors

  • Insider selling patterns could accelerate if more affiliates follow
  • If the insider unexpectedly is the CEO or has material non-public info, further escalation may occur – but no evidence here

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
77% bullish (30 analysts)

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001973251-26-000017
Document: 0001973251-26-000017-index.html0001973251-26-000017
Document: 0001973251-26-000017.txt0001973251-26-000017
11 reports for ALAB
Performance horizon
20% Hit rate 1 of 5 directional calls best @ T+1▲ +0.74%Apr 15, 2026
Filters
Rows
Reports for ALAB — sortable, filterable
Type Now
May 7, 2026
13d ago
144
NEUTRAL ★ 2/10
$195.65 $224.09▲ +14.54%▲ +13.03%$287.48 (+46.94%)
May 7, 2026
13d ago
Insider Cluster
NEUTRAL ★ 4/10
$195.65 $224.09▲ +14.54%▲ +13.03%$287.48 (+46.94%)
May 5, 2026
15d ago
8-K
BULLISH ★ 8/10
$213.91 $204.42▼ −4.44%▼ −5.57%$287.48 (+34.39%)
Apr 23, 2026
27d ago
DEFA14A
NEUTRAL ★ 3/10
$212.84 $194.74▼ −8.50%▼ −9.41%$287.48 (+35.07%)
Apr 17, 2026
4w ago
144
NEUTRAL ★ 3/10
$175.80 $196.64▲ +11.85%▲ +10.94%$287.48 (+63.53%)
Apr 17, 2026
4w ago
144
BEARISH ★ 6/10
$175.80 $196.64▼ −11.85%▼ −10.94%$287.48 (−63.53%)
Apr 15, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$172.09 $194.06▼ −12.77%▼ −11.13%$287.48 (−67.05%)
Apr 1, 2026
7w ago
144
BEARISH ★ 6/10
$117.14 $149.05▼ −27.24%▼ −23.62%$287.48 (−145.42%)
Apr 1, 2026
7w ago
144
BEARISH ★ 6/10
$117.14 $149.05▼ −27.24%▼ −23.62%$287.48 (−145.42%)
Mar 2, 2026
11w ago
Insider Cluster
NEUTRAL ★ 3/10
$120.55 $122.31▲ +1.46%▲ +2.67%$287.48 (+138.47%)
Showing 10 of 11

US Market Status

Market Closed — Opens Thu (< 1m)

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