Philip Mazzara sold $1.9M of ALAB
General Counsel and Secretary at Astera Labs, Inc.. 10,000 shares at an average of $188.70, traded Aug 28, 2025, filed Sep 2, 2025.
Score components
- +15RoleOfficer
- +25Trade size$1.9M at market
- 0Share of holdings soldSold 5.8% of holdings
- +15Cluster6 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
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 0001736297-25-000124, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -100 | $182.55 | $18k | 171,473 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -339 | $185.70 | $63k | 171,134 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -800 | $186.37 | $149k | 170,334 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -1,716 | $187.57 | $322k | 168,618 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -2,993 | $188.88 | $565k | 165,625 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -2,852 | $189.65 | $541k | 162,773 | Sep 2, 2025 |
| Aug 28, 2025 | SOpen-market sale Common Stock10b5-1 | -1,200 | $190.50 | $229k | 161,573 | Sep 2, 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% | |
| 35Weak | Astera Labs, Inc. | Manuel Alba director | $32M 183,000 shares | -10% | |
| 40Moderate | Astera Labs, Inc. | Jack R Lazar director | $4.0M 22,500 shares | -19% | |
| 62Notable | Astera Labs, Inc. | Michael Truett Tate Chief Financial Officer | $3.5M 18,861 shares | -7% | |
| 65Notable | Astera Labs, Inc. | Jitendra Mohan Chief Executive Officer | $17M 91,441 shares | -4% | |
| 55Moderate | Astera Labs, Inc. | Philip Mazzara General Counsel and Secretary | $1.3M 7,237 shares | -4% | |
| 60Notable | Astera Labs, Inc. | Sanjay Gajendra President and COO | $17M 91,441 shares | -4% | |
| 67Notable | Astera Labs, Inc. | Michael Truett Tate Chief Financial Officer | $19M 100,000 shares | -20% |
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.