Philip Mazzara sold $1.9M of ALAB
General Counsel and Secretary at Astera Labs, Inc.. 10,000 shares at an average of $192.16, traded Oct 1, 2025, filed Oct 3, 2025.
Score components
- +15RoleOfficer
- +25Trade size$1.9M at market
- 0Share of holdings soldSold 6.2% of holdings
- 0ClusterNo other insider 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 0001998163-25-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -700 | $187.21 | $131k | 160,873 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -800 | $188.37 | $151k | 160,073 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -509 | $189.85 | $97k | 159,564 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -1,395 | $190.97 | $266k | 158,169 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -1,000 | $192.21 | $192k | 157,169 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -2,407 | $193.08 | $465k | 154,762 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -2,189 | $194.07 | $425k | 152,573 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -900 | $194.95 | $175k | 151,673 | Oct 3, 2025 |
| Oct 1, 2025 | SOpen-market sale Common Stock10b5-1 | -100 | $195.66 | $20k | 151,573 | Oct 3, 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% | |
| 38Weak | Astera Labs, Inc. | Jitendra Mohan Chief Executive Officer | $21M 157,500 shares | -3% | |
| 24Weak | Astera Labs, Inc. | Jack R Lazar director | $325k 2,500 shares | -3% | |
| 34Weak | Astera Labs, Inc. | Jack R Lazar director | $898k 7,500 shares | -8% | |
| 35Weak | Astera Labs, Inc. | Philip Mazzara General Counsel and Secretary | $1.2M 10,000 shares | -7% | |
| 62Notable | Astera Labs, Inc. | Michael Truett Tate Chief Financial Officer | $1.5M 12,001 shares | -6% | |
| 65Notable | Astera Labs, Inc. | Jitendra Mohan Chief Executive Officer | $12M 94,971 shares | -6% | |
| 49Moderate | Astera Labs, Inc. | Philip Mazzara General Counsel and Secretary | $600k 4,849 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.