Mazzara Philip, General Counsel and Secretary of Astera Labs, Inc. ($ALAB), sold shares on the open market 48 times over the last 365 days, totaling nearly $12 million. His most recent sale occurred on March 2, 2026. These $ALAB insider sales rank 981st among 11,678 individuals in our database, surpassing the average sale value of $8.6 million and 6.4 transactions per insider. Mazzara Philip made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3415 | $108.40 | 119,584.0000 | 179,551,000 | 2.78% | 0.00% |
| April 1, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1985 | $107.54 | 122,999.0000 | 179,551,000 | 1.59% | 0.00% |
| April 1, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3100 | $106.34 | 124,984.0000 | 179,551,000 | 2.42% | 0.00% |
| April 1, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 500 | $110.35 | 118,084.0000 | 179,551,000 | 0.42% | 0.00% |
| April 1, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1000 | $109.16 | 118,584.0000 | 179,551,000 | 0.84% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1205 | $116.85 | 134,252.0000 | 179,551,000 | 0.89% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 750 | $115.84 | 135,457.0000 | 179,551,000 | 0.55% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1200 | $113.85 | 136,884.0000 | 179,551,000 | 0.87% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 677 | $114.81 | 136,207.0000 | 179,551,000 | 0.49% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 200 | $120.98 | 128,084.0000 | 179,551,000 | 0.16% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1566 | $120.23 | 128,284.0000 | 179,551,000 | 1.21% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1202 | $118.89 | 129,850.0000 | 179,551,000 | 0.92% | 0.00% |
| March 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3200 | $117.92 | 131,052.0000 | 179,551,000 | 2.38% | 0.00% |
| Feb. 17, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 309 | $122.16 | 142,624.0000 | 179,551,000 | 0.22% | 0.00% |
| Feb. 17, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 469 | $126.34 | 138,084.0000 | 179,551,000 | 0.34% | 0.00% |
| Feb. 17, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 923 | $124.66 | 138,553.0000 | 179,551,000 | 0.66% | 0.00% |
| Feb. 17, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1435 | $123.93 | 139,476.0000 | 179,551,000 | 1.02% | 0.00% |
| Feb. 17, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1713 | $122.84 | 140,911.0000 | 179,551,000 | 1.20% | 0.00% |
| Feb. 6, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 5893 | $0.00 | 142,933.0000 | 179,551,000 | 4.30% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 600 | $174.13 | 146,340.0000 | 179,551,000 | 0.41% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 200 | $182.12 | 137,040.0000 | 179,551,000 | 0.15% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1300 | $180.98 | 137,240.0000 | 179,551,000 | 0.94% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1319 | $179.90 | 138,540.0000 | 179,551,000 | 0.94% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2577 | $179.11 | 139,859.0000 | 179,551,000 | 1.81% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2304 | $178.31 | 142,436.0000 | 179,551,000 | 1.59% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 500 | $176.92 | 144,740.0000 | 179,551,000 | 0.34% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1100 | $174.98 | 145,240.0000 | 179,551,000 | 0.75% | 0.00% |
| Jan. 2, 2026 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 100 | $172.65 | 146,940.0000 | 179,551,000 | 0.07% | 0.00% |
| Nov. 17, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 454 | $146.42 | 151,206.0000 | 180,631,000 | 0.30% | 0.00% |
| Nov. 17, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1314 | $143.51 | 147,040.0000 | 180,631,000 | 0.89% | 0.00% |
| Nov. 17, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1801 | $144.53 | 148,354.0000 | 180,631,000 | 1.20% | 0.00% |
| Nov. 17, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1051 | $145.69 | 150,155.0000 | 180,631,000 | 0.70% | 0.00% |
| Nov. 14, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 87 | $78.36 | 151,660.0000 | 180,631,000 | 0.06% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1000 | $192.21 | 157,169.0000 | 180,631,000 | 0.63% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 700 | $187.21 | 160,873.0000 | 180,631,000 | 0.43% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 800 | $188.37 | 160,073.0000 | 180,631,000 | 0.50% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 509 | $189.85 | 159,564.0000 | 180,631,000 | 0.32% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1395 | $190.97 | 158,169.0000 | 180,631,000 | 0.87% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2407 | $193.08 | 154,762.0000 | 180,631,000 | 1.53% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2189 | $194.07 | 152,573.0000 | 180,631,000 | 1.41% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 900 | $194.95 | 151,673.0000 | 180,631,000 | 0.59% | 0.00% |
| Oct. 1, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 100 | $195.66 | 151,573.0000 | 180,631,000 | 0.07% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 100 | $182.55 | 171,473.0000 | 131,262,000 | 0.06% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1716 | $187.57 | 168,618.0000 | 131,262,000 | 1.01% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2993 | $188.88 | 165,625.0000 | 131,262,000 | 1.78% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2852 | $189.65 | 162,773.0000 | 131,262,000 | 1.72% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 800 | $186.37 | 170,334.0000 | 131,262,000 | 0.47% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1200 | $190.50 | 161,573.0000 | 131,262,000 | 0.74% | 0.00% |
| Aug. 28, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 339 | $185.70 | 171,134.0000 | 131,262,000 | 0.20% | 0.00% |
| Aug. 18, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3527 | $183.17 | 171,573.0000 | 131,262,000 | 2.01% | 0.00% |
| Aug. 18, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3710 | $183.83 | 175,100.0000 | 131,262,000 | 2.07% | 0.00% |
| July 24, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 16214 | $0.00 | 178,810.0000 | 131,262,000 | 9.97% | 0.01% |
| May 16, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 369 | $92.15 | 191,036.0000 | 131,262,000 | 0.19% | 0.00% |
| May 19, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 25000 | $90.13 | 162,596.0000 | 131,262,000 | 13.33% | 0.02% |
| May 16, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1661 | $90.33 | 187,596.0000 | 131,262,000 | 0.88% | 0.00% |
| May 16, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1779 | $90.67 | 189,257.0000 | 131,262,000 | 0.93% | 0.00% |
| May 14, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 196 | $73.48 | 191,405.0000 | 131,262,000 | 0.10% | 0.00% |
| Feb. 18, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 7536 | $92.07 | 241,209.0000 | 131,262,000 | 3.03% | 0.01% |
| Feb. 20, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 12949 | $87.54 | 207,162.0000 | 131,262,000 | 5.88% | 0.01% |
| Feb. 20, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 14760 | $88.73 | 192,402.0000 | 131,262,000 | 7.12% | 0.01% |
| Feb. 20, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1193 | $89.24 | 191,209.0000 | 131,262,000 | 0.62% | 0.00% |
| Feb. 20, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 6928 | $85.80 | 234,281.0000 | 131,262,000 | 2.87% | 0.01% |
| Feb. 20, 2025 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 14170 | $86.73 | 220,111.0000 | 131,262,000 | 6.05% | 0.01% |
| Nov. 18, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2513 | $90.81 | 248,745.0000 | 156,831,000 | 1.00% | 0.00% |
| Nov. 14, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 694 | $30.60 | 251,258.0000 | 156,831,000 | 0.28% | 0.00% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 5856 | $95.99 | 284,224.0000 | 156,831,000 | 2.02% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 308 | $99.14 | 250,564.0000 | 156,831,000 | 0.12% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1000 | $98.52 | 250,872.0000 | 156,831,000 | 0.40% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1190 | $97.36 | 251,872.0000 | 156,831,000 | 0.47% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1300 | $96.04 | 253,062.0000 | 156,831,000 | 0.51% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1802 | $95.00 | 254,362.0000 | 156,831,000 | 0.70% | 0.00% |
| Nov. 8, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 2400 | $93.97 | 256,164.0000 | 156,831,000 | 0.93% | 0.00% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 764 | $99.68 | 258,564.0000 | 156,831,000 | 0.29% | 0.00% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 3000 | $98.79 | 259,328.0000 | 156,831,000 | 1.14% | 0.00% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 5201 | $97.98 | 262,328.0000 | 156,831,000 | 1.94% | 0.00% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 16695 | $96.90 | 267,529.0000 | 156,831,000 | 5.87% | 0.01% |
| Nov. 7, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 10484 | $94.78 | 290,080.0000 | 156,831,000 | 3.49% | 0.01% |
| Oct. 9, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 9097 | $61.64 | 300,564.0000 | 156,831,000 | 2.94% | 0.01% |
| Oct. 9, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 15903 | $60.23 | 309,661.0000 | 156,831,000 | 4.88% | 0.01% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 19355 | $40.28 | 344,021.0000 | 37,131,000 | 5.33% | 0.05% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 10457 | $41.52 | 333,564.0000 | 37,131,000 | 3.04% | 0.03% |
| Aug. 26, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1600 | $42.62 | 331,964.0000 | 37,131,000 | 0.48% | 0.00% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 12188 | $39.72 | 363,376.0000 | 37,131,000 | 3.25% | 0.03% |
| Aug. 26, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 6400 | $43.25 | 325,564.0000 | 37,131,000 | 1.93% | 0.02% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 10547 | $41.52 | 333,474.0000 | 37,131,000 | 3.07% | 0.03% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 12188 | $39.72 | 363,376.0000 | 37,131,000 | 3.25% | 0.03% |
| Aug. 23, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 19355 | $40.28 | 344,021.0000 | 37,131,000 | 5.33% | 0.05% |
| Aug. 26, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 6400 | $43.25 | 325,474.0000 | 37,131,000 | 1.93% | 0.02% |
| Aug. 26, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 1600 | $42.62 | 331,874.0000 | 37,131,000 | 0.48% | 0.00% |
| Aug. 16, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 7260 | $41.79 | 375,564.0000 | 37,131,000 | 1.90% | 0.02% |
| Aug. 13, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 25304 | $0.00 | 382,824.0000 | 37,131,000 | 7.08% | 0.07% |
| May 16, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 266 | $77.48 | 358,309.0000 | 37,131,000 | 0.07% | 0.00% |
| May 16, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | S | Common Stock | 789 | $76.40 | 357,520.0000 | 37,131,000 | 0.22% | 0.00% |
| March 20, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | F | Common Stock | 4146 | $36.00 | 358,575.0000 | 37,131,000 | 1.14% | 0.01% |
| Jan. 24, 2024 | Astera Labs, Inc. | $ALAB | Mazzara Philip | General Counsel and Secretary | A | Common Stock | 37500 | $0.00 | 362,721.0000 | 37,131,000 | 11.53% | 0.10% |