Company profile
Astera Labs, Inc. Insider Trading
ALABEvery SEC Form 4 insider trading filing for Astera Labs, Inc. (ALAB) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Semiconductors & Related Devices
- CIK
- 0001736297
- Filings
- 183
- Insiders
- 15
- Last filing
- 2026-09-02
Activity summary
No discretionary insider buying or selling in the last 30 days. The 36 transactions filed were made under a 10b5-1 plan, scheduled in advance rather than decided on the day.
Three year balance
Buy and sell value by quarter, Q1 24 to Q3 26. Astera Labs, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $460.1M.
90 day insight
Over the last 90 days, Astera Labs, Inc. insiders sold $22.7M across 14 transactions with no open-market purchases.
- Most active insider: Manuel Alba with 24 transactions totaling $51.3M.
- Largest single sale: $16.6M by Manuel Alba on Sep 1, 2026.
- 72% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 2, 2026 | Stefan A Dyckerhoff | ALAB | Sale10b5 | 273 | $273.64 | $75K |
| Sep 2, 2026 | Stefan A Dyckerhoff | ALAB | Sale10b5 | 650 | $273.64 | $178K |
| Sep 2, 2026 | Stefan A Dyckerhoff | ALAB | Sale10b5 | 52 | $273.64 | $14K |
| Sep 2, 2026 | Stefan A Dyckerhoff | ALAB | Sale10b5 | 2,275 | $274.79 | $625K |
| Sep 2, 2026 | Stefan A Dyckerhoff | ALAB | Sale10b5 | 5,409 | $274.79 | $1.49M |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Astera Labs, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →