ALAB Astera Labs, Inc.

BEARISH Impact: 6/10 144
Horizon days Filed Apr 1, 2026 Processed 2mo ago SEC 0001950047-26-003167
Form 144 — notice of proposed sale of securities
Latest settled — T+20d ⚠ clustered
ALAB ▲ +66.25% at T+20d
SHORT call ✗ call lost -66.25% · α vs SPY -56.37% · entry $117.14 → $194.74
Next anchor: T+60d in 14d
Last close $367.15 (close Jun 12) · -213.43% from $117.14 entry (call sign-flipped)
Entry anchored
Apr 1, 04:39 PM ET
via Databento tick
T+1d
+0.73%
call -0.73% · α -0.25%
$117.99
settled 2mo ago
T+5d
+27.24%
call -27.24% · α -23.62%
$149.05
settled 2mo ago
T+20d
+66.25%
call -66.25% · α -56.37%
$194.74
settled 7w ago
T+60d
call — · α —
in 14d

Price Chart

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Executive Summary

Manuel Alba, a director of Astera Labs, filed a Form 144 to notify intent to sell up to 170,000 shares, valued at approximately $18.6 million based on current market prices. This represents a significant insider sale ahead of potential market activity.

Actionable Insight

Traders should monitor for actual execution of this sale, which could signal reduced confidence ahead of earnings or other catalysts. Given the size and the director's long hold period, this may weigh on near-term sentiment, especially if combined with broader insider outflows.

Key Facts

  • Manuel Alba, Director of Astera Labs, intends to sell up to 170,000 shares.
  • The proposed sale is valued at $18,632,000 based on current market price (~$109.60/share).
  • Shares were acquired on March 21, 2018, via private acquisition from the issuer.
  • This is the largest single insider sale notice by a director in recent history for ALAB.
  • Recent insider activity shows three smaller sells totaling $1.6M in the past 30 days.

Financial Impact

$18.6 million in planned insider sales

insider ownershipmarket sentimentshare dilution perception

Risk Factors

  • Potential negative market perception due to large insider sale by a director.
  • Increased selling pressure if the sale is executed near-term.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices

Documents Analyzed

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

DocumentAccession Number
144 Filing (Primary)0001950047-26-003167
Document: 0001950047-26-003167-index.html0001950047-26-003167
Document: 0001950047-26-003167.txt0001950047-26-003167
19 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 11, 2026
3d ago
Institutional Cluster
BULLISH ★ 6/10
$367.60 awaiting T+1awaiting T+1$367.15 (−0.12%)
Jun 9, 2026
6d ago
Insider Cluster
NEUTRAL ★ 2/10
$346.09 awaiting T+1awaiting T+1$367.15 (+6.09%)
Jun 3, 2026
11d ago
144
BEARISH ★ 5/10
$363.54 $358.05▲ +1.51%▲ +1.91%$367.15 (−0.99%)
May 26, 2026
19d ago
Insider Cluster
NEUTRAL ★ 2/10
$325.33 $349.17▲ +7.33%▲ +6.78%$367.15 (+12.85%)
May 26, 2026
19d ago
144
BEARISH ★ 5/10
$325.33 $349.17▼ −7.33%▼ −6.78%$367.15 (−12.85%)
May 22, 2026
23d ago
144
NEUTRAL ★ 2/10
$318.72 $321.36▲ +0.83%▲ +0.87%$367.15 (+15.20%)
May 22, 2026
24d ago
Insider Cluster
NEUTRAL ★ 3/10
$306.88 $318.72▲ +3.86%▲ +3.27%$367.15 (+19.64%)
May 20, 2026
25d ago
Insider Cluster
NEUTRAL ★ 2/10
$297.84 $306.88▲ +3.04%▲ +2.59%$367.15 (+23.27%)
May 7, 2026
5w ago
144
NEUTRAL ★ 2/10
$195.65 $199.79▲ +2.12%▲ +1.29%$367.15 (+87.66%)
May 7, 2026
5w ago
Insider Cluster
NEUTRAL ★ 4/10
$195.65 $199.79▲ +2.12%▲ +1.29%$367.15 (+87.66%)
Showing 10 of 19

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