Philip Mazzara Insider Trading Activity
Corporate InsiderGeneral Counsel and Secretary · CIK 1998163
Philip Mazzara has been net-selling over the last 12 months with 0 purchases and 68 sales across 1 company.
ALAB is the most-traded position with 68 trades. The largest single transaction was a sale of ALAB for $2.2M on May 18, 2026.
Performance Scorecard
Forward stock performance after each transaction by Philip Mazzara. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -6.5% | 63% | 49 |
| 90 days | — | -25.4% | 70% | 44 |
| 120 days | — | +6.2% | 71% | 31 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersALAB · Astera Labs, Inc.
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Showing the 50 most recent of 68 disclosed trades.
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 21, 2026 | ALAB | Sell | 796 | $291.03 | $232K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 116 | $233.19 | $27K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 9,204 | $235.36 | $2.2M | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 99 | $232.81 | $23K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 387 | $231.31 | $90K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 186 | $230.28 | $43K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 55 | $229.54 | $13K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 275 | $226.71 | $62K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 90 | $225.76 | $20K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 35 | $225.01 | $8K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 245 | $223.75 | $55K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 189 | $222.20 | $42K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 170 | $221.01 | $38K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 274 | $220.20 | $60K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 356 | $218.87 | $78K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 364 | $218.06 | $79K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 646 | $216.97 | $140K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 395 | $216.31 | $85K | General Counsel and Secretary |
| May 18, 2026 | ALAB | Sell | 990 | $235.41 | $233K | General Counsel and Secretary |
| Apr 1, 2026 | ALAB | Sell | 3,100 | $106.34 | $330K | General Counsel and Secretary |
| Apr 1, 2026 | ALAB | Sell | 1,985 | $107.54 | $213K | General Counsel and Secretary |
| Apr 1, 2026 | ALAB | Sell | 3,415 | $108.40 | $370K | General Counsel and Secretary |
| Apr 1, 2026 | ALAB | Sell | 1,000 | $109.16 | $109K | General Counsel and Secretary |
| Apr 1, 2026 | ALAB | Sell | 500 | $110.35 | $55K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 1,200 | $113.85 | $137K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 677 | $114.81 | $78K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 750 | $115.84 | $87K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 1,205 | $116.85 | $141K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 3,200 | $117.92 | $377K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 1,202 | $118.89 | $143K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 1,566 | $120.23 | $188K | General Counsel and Secretary |
| Mar 2, 2026 | ALAB | Sell | 200 | $120.98 | $24K | General Counsel and Secretary |
| Feb 17, 2026 | ALAB | Sell | 1,435 | $123.93 | $178K | General Counsel and Secretary |
| Feb 17, 2026 | ALAB | Sell | 309 | $122.16 | $38K | General Counsel and Secretary |
| Feb 17, 2026 | ALAB | Sell | 1,713 | $122.84 | $210K | General Counsel and Secretary |
| Feb 17, 2026 | ALAB | Sell | 923 | $124.66 | $115K | General Counsel and Secretary |
| Feb 17, 2026 | ALAB | Sell | 469 | $126.34 | $59K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 100 | $172.65 | $17K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 600 | $174.13 | $104K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 1,100 | $174.98 | $192K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 500 | $176.92 | $88K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 2,304 | $178.31 | $411K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 2,577 | $179.11 | $462K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 1,319 | $179.90 | $237K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 1,300 | $180.98 | $235K | General Counsel and Secretary |
| Jan 2, 2026 | ALAB | Sell | 200 | $182.12 | $36K | General Counsel and Secretary |
| Nov 17, 2025 | ALAB | Sell | 454 | $146.42 | $66K | General Counsel and Secretary |
| Nov 17, 2025 | ALAB | Sell | 1,051 | $145.69 | $153K | General Counsel and Secretary |
| Nov 17, 2025 | ALAB | Sell | 1,801 | $144.53 | $260K | General Counsel and Secretary |
| Nov 17, 2025 | ALAB | Sell | 1,314 | $143.51 | $189K | General Counsel and Secretary |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ALAB | Astera Labs, Inc. | 68 | $13.9M |
Other insiders at Astera Labs, Inc.
7 other tracked filers at ALAB.