Philip Mazzara sold $1.3M of ALAB
General Counsel and Secretary at Astera Labs, Inc.. 7,237 shares at an average of $183.51, traded Aug 18, 2025, filed Aug 20, 2025.
Score components
- +15RoleOfficer
- +25Trade size$1.3M at market
- 0Share of holdings soldSold 4.0% of holdings
- +15Cluster6 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001736297-25-000116, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 18, 2025 | SOpen-market sale Common Stock | -3,710 | $183.83 | $682k | 175,100 | Aug 20, 2025 |
| Aug 18, 2025 | SOpen-market sale Common Stock | -3,527 | $183.17 | $646k | 171,573 | Aug 20, 2025 |
Related signals
Other insiders at Astera Labs, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 25Weak | Astera Labs, Inc. | Stefan A Dyckerhoff director | $4.7M 12,499 shares | -25% | |
| 33Weak | Astera Labs, Inc. | Manuel Alba director | $51M 183,000 shares | -14% | |
| 33Weak | Astera Labs, Inc. | Stefan A Dyckerhoff director | $3.4M 12,499 shares | -23% | |
| 13Weak | Astera Labs, Inc. | Bethany Mayer director | $271k 686 shares | -11% | |
| 40Moderate | Astera Labs, Inc. | Jack R Lazar director | $3.6M 10,000 shares | -12% | |
| 40Moderate | Astera Labs, Inc. | Stefan A Dyckerhoff director | $4.6M 12,499 shares | -20% | |
| 43Moderate | Astera Labs, Inc. | Philip Mazzara General Counsel and Secretary | $232k 796 shares | -1% | |
| 40Moderate | Astera Labs, Inc. | Sanjay Gajendra President and COO | $116M 400,000 shares | -7% | |
| 40Moderate | Astera Labs, Inc. | Sanjay Gajendra President and COO | $70M 280,000 shares | -5% | |
| 45Moderate | Astera Labs, Inc. | Jitendra Mohan Chief Executive Officer | $31M 139,951 shares | -4% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.