ALAB Astera Labs, Inc.

BEARISH Impact: 5/10 144
Horizon days Filed May 26, 2026 Processed 14d 13h ago SEC 0001950047-26-005056
Form 144 — notice of proposed sale of securities
Latest settled — T+5d ⚠ clustered
ALAB ▲ +11.74% at T+5d
SHORT call ✗ call lost -11.74% · α vs SPY -11.28% · entry $325.33 → $363.54
Next anchor: T+20d in 14d
Last close $346.33 (close Jun 8) · -6.45% from $325.33 entry (call sign-flipped)
Entry anchored
May 26, 2026
via day open
T+1d
+7.33%
call -7.33% · α -6.78%
$349.17
settled 14d ago
T+5d
+11.74%
call -11.74% · α -11.28%
$363.54
settled 8d ago
T+20d
call — · α —
in 14d
T+60d
call — · α —
in 2mo

Price Chart

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Executive Summary

Michael Truett, a former officer of Astera Labs, filed a Form 144 to sell 20,000 common shares valued at approximately $6.4M through Morgan Stanley. This follows a series of recent sales by his trust totaling ~$28.6M over the past two weeks, bringing total insider selling to $90M+ in 30 days. The filing signals continued insider monetization at a $52.6B market cap, though Truett is a former officer, not current management.

Actionable Insight

Monitor for additional Form 144 or Form 4 filings from other insiders. The concentrated selling by a former officer's trust may signal a desire to diversify, but the pace (~$2M/day) warrants watching for broader insider sentiment. No immediate catalyst, but sustained insider selling at these levels could pressure the stock near-term.

Key Facts

  • Former officer Michael Truett filed Form 144 to sell 20,000 shares (~$6.4M) on May 26, 2026
  • Truett's trust has sold ~108,094 shares worth ~$28.6M in the past two weeks (May 14-22)
  • Total insider selling over the last 30 days is $61.4M, now exceeding $90M with this filing
  • Shares were acquired via private acquisition from issuer/affiliate in 2018 and 2020
  • Astera Labs has a $52.6B market cap with 77% analyst bullish rating

Financial Impact

Proposed sale of $6.4M; recent trust sales total ~$28.6M; 30-day insider selling now ~$90M+

insider selling volumesupply overhang

Risk Factors

  • Continued insider selling may indicate lack of confidence in near-term valuation
  • Large block sales could create technical overhang and dampen price appreciation
  • Former officer status reduces signaling value vs. current CEO/CFO selling

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)0001950047-26-005056
Document: 0001950047-26-005056-index.html0001950047-26-005056
Document: 0001950047-26-005056.txt0001950047-26-005056
18 reports for ALAB
Performance horizon
50% Hit rate 3 of 6 directional calls best @ T+20▲ +69.95%May 5, 2026
Filters
Rows
Reports for ALAB — sortable, filterable
Type Now
Jun 9, 2026
1d ago
Insider Cluster
NEUTRAL ★ 2/10
$346.09 awaiting T+1awaiting T+1$346.33 (+0.07%)
Jun 3, 2026
6d ago
144
BEARISH ★ 5/10
$363.54 $358.05▲ +1.51%▲ +1.91%$346.33 (+4.73%)
May 26, 2026
14d ago
Insider Cluster
NEUTRAL ★ 2/10
$325.33 $349.17▲ +7.33%▲ +6.78%$346.33 (+6.45%)
May 26, 2026
14d ago
144
BEARISH ★ 5/10
$325.33 $349.17▼ −7.33%▼ −6.78%$346.33 (−6.45%)
May 22, 2026
18d ago
144
NEUTRAL ★ 2/10
$318.72 $321.36▲ +0.83%▲ +0.87%$346.33 (+8.66%)
May 22, 2026
19d ago
Insider Cluster
NEUTRAL ★ 3/10
$306.88 $318.72▲ +3.86%▲ +3.27%$346.33 (+12.86%)
May 20, 2026
20d ago
Insider Cluster
NEUTRAL ★ 2/10
$297.84 $306.88▲ +3.04%▲ +2.59%$346.33 (+16.28%)
May 7, 2026
4w ago
144
NEUTRAL ★ 2/10
$195.65 $199.79▲ +2.12%▲ +1.29%$346.33 (+77.02%)
May 7, 2026
4w ago
Insider Cluster
NEUTRAL ★ 4/10
$195.65 $199.79▲ +2.12%▲ +1.29%$346.33 (+77.02%)
May 5, 2026
5w ago
8-K
BULLISH ★ 8/10
$213.91 $213.91· 0.00%▲ +0.33%$346.33 (+61.90%)
Showing 10 of 18

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