ALAB Astera Labs, Inc.
Price Chart
Executive Summary
Astera Labs director Stefan Dyckerhoff filed a Form 144 on June 3, 2026, indicating intent to sell 12,499 shares of common stock with an estimated aggregate market value of approximately $4.55 million. This follows three prior Form 144 filings by Dyckerhoff in April and May 2026 covering a total of 37,497 shares, suggesting a systematic selling pattern by a board member.
Actionable Insight
Monitor for actual Form 4 filings confirming execution of these sales. The pattern of four Form 144 filings in seven weeks by a director, combined with $84.1M in total insider sales over 30 days, suggests sustained insider distribution. While the dollar amount is small relative to the $61B market cap, the frequency and consistency of filings warrant attention for any acceleration.
Key Facts
- Director Stefan Dyckerhoff filed Form 144 to sell 12,499 shares valued at ~$4.55 million
- This is the fourth Form 144 by Dyckerhoff in ~7 weeks (prior filings on 4/17, 4/20, and 5/7/2026)
- Total shares covered by Dyckerhoff's Form 144 filings since mid-April: ~49,996 shares
- Recent insider activity shows 8 sales totaling $84.1M in the past 30 days
- Dyckerhoff's shares were acquired via private placements in 2019, 2020, 2022, and a pro-rata distribution from a venture fund in 2024
- Market cap is $61.0B, making the proposed sale ~0.007% of market cap
Financial Impact
Proposed sale of 12,499 shares at ~$4.55 million; cumulative proposed sales by Dyckerhoff since mid-April ~$18.2 million
Risk Factors
- Sustained insider selling pattern by a director may signal lack of confidence in near-term valuation
- Additional Form 144 filings may follow, increasing overhang
- Heavy insider selling could weigh on sentiment despite strong analyst consensus (77% bullish)
Market Snapshot
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001973251-26-000020 |
| Document: 0001973251-26-000020-index.html | 0001973251-26-000020 |
| Document: 0001973251-26-000020.txt | 0001973251-26-000020 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
1d ago
|
Institutional Cluster
| $367.60 awaiting T+1 | awaiting T+1 | — | $367.15 (−0.12%) |
|
Jun 9, 2026
4d ago
|
Insider Cluster
| $346.09 awaiting T+1 | awaiting T+1 | — | $367.15 (+6.09%) |
|
Jun 3, 2026
9d ago
|
144
| $363.54 $358.05 | ▲ +1.51% | ▲ +1.91% | $367.15 (−0.99%) |
|
May 26, 2026
17d ago
|
Insider Cluster
| $325.33 $349.17 | ▲ +7.33% | ▲ +6.78% | $367.15 (+12.85%) |
|
May 26, 2026
17d ago
|
144
| $325.33 $349.17 | ▼ −7.33% | ▼ −6.78% | $367.15 (−12.85%) |
|
May 22, 2026
21d ago
|
144
| $318.72 $321.36 | ▲ +0.83% | ▲ +0.87% | $367.15 (+15.20%) |
|
May 22, 2026
22d ago
|
Insider Cluster
| $306.88 $318.72 | ▲ +3.86% | ▲ +3.27% | $367.15 (+19.64%) |
|
May 20, 2026
23d ago
|
Insider Cluster
| $297.84 $306.88 | ▲ +3.04% | ▲ +2.59% | $367.15 (+23.27%) |
|
May 7, 2026
5w ago
|
144
| $195.65 $199.79 | ▲ +2.12% | ▲ +1.29% | $367.15 (+87.66%) |
|
May 7, 2026
5w ago
|
Insider Cluster
| $195.65 $199.79 | ▲ +2.12% | ▲ +1.29% | $367.15 (+87.66%) |
US Market Status
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