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.
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.
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
Investment Themes
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 | ||||
|---|---|---|---|---|---|
Sep 2, 2026 6w ago | 144 | $274.13 $355.97 | ▼ −29.85% | ▼ −30.19% | $285.82 (−4.26%) |
Sep 1, 2026 6w ago | 144 | $274.13 $355.97 | ▲ +29.85% | ▲ +30.19% | $285.82 (+4.26%) |
Aug 19, 2026 8w ago | Insider Cluster | $289.02 $293.56 | ▲ +1.57% | ▲ +2.41% | $285.82 (−1.11%) |
Aug 4, 2026 10w ago | 8-K | $318.43 $274.13 | ▼ −13.91% | ▼ −13.31% | $285.82 (−10.24%) |
Jul 23, 2026 12w ago | Institutional Cluster | $326.97 $290.52 | ▼ −11.15% | ▼ −14.46% | $285.82 (−12.59%) |
Jul 7, 2026 14w ago | Insider Cluster | $382.89 $321.05 | ▼ −16.15% | ▼ −17.48% | $285.82 (−25.35%) |
Jul 2, 2026 15w ago | Insider Cluster | $406.42 $299.69 | ▼ −26.26% | ▼ −25.85% | $285.82 (−29.67%) |
Jul 1, 2026 15w ago | 144 | $430.86 $249.74 | ▼ −42.04% | ▼ −39.85% | $285.82 (−33.66%) |
Jun 24, 2026 16w ago | 144 | $398.00 $326.97 | ▼ −17.85% | ▼ −18.38% | $285.82 (−28.19%) |
Jun 11, 2026 18w ago | Institutional Cluster | $367.15 $412.97 | ▲ +12.48% | ▲ +10.70% | $285.82 (−22.15%) |
US Market Status
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