Philip Mazzara sold $668k of ALAB
General Counsel and Secretary at Astera Labs, Inc.. 4,620 shares at an average of $144.69, traded Nov 17, 2025, filed Nov 19, 2025.
Score components
- +15RoleOfficer
- +20Trade size$668k at market
- 0Share of holdings soldSold 3.0% 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.
This signal so far: 1m +15.8%, 3m -8.8%, 6m +102.4%.
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 0001998163-25-000011, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Nov 17, 2025 | SOpen-market sale Common Stock | -454 | $146.42 | $66k | 151,206 | Nov 19, 2025 |
| Nov 17, 2025 | SOpen-market sale Common Stock | -1,051 | $145.69 | $153k | 150,155 | Nov 19, 2025 |
| Nov 17, 2025 | SOpen-market sale Common Stock | -1,801 | $144.53 | $260k | 148,354 | Nov 19, 2025 |
| Nov 17, 2025 | SOpen-market sale Common Stock | -1,314 | $143.51 | $189k | 147,040 | Nov 19, 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% | |
| 65Notable | Astera Labs, Inc. | Jitendra Mohan Chief Executive Officer | $31M 90,630 shares | -7% | |
| 55Moderate | Astera Labs, Inc. | Philip Mazzara General Counsel and Secretary | $2.3M 6,801 shares | -7% | |
| 60Notable | Astera Labs, Inc. | Sanjay Gajendra President and COO | $31M 90,630 shares | -7% | |
| 40Moderate | Astera Labs, Inc. | Stefan A Dyckerhoff director | $3.9M 12,499 shares | -22% | |
| 35Weak | Astera Labs, Inc. | Manuel Alba director | $61M 136,974 shares | -10% | |
| 35Weak | Astera Labs, Inc. | Manuel Alba director | $17M 37,535 shares | -3% | |
| 35Weak | Astera Labs, Inc. | Manuel Alba director | $3.9M 8,491 shares | -3% |
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.