Dyckerhoff Stefan A sold Astera Labs, Inc. ($ALAB) shares on the open market eight times over the last year, totaling $9.1 million. His most recent sale occurred on August 8, 2025. These sales rank 1,218th among 11,678 individual insiders, outperforming the average of $8.6 million across 6.4 transactions. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 13, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | G | Common Stock | 11000 | $0.00 | 453,981.0000 | 131,262,000 | 2.37% | 0.01% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 10940 | $172.86 | 504,041.0000 | 131,262,000 | 2.12% | 0.01% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 438 | $172.86 | 466,543.0000 | 131,262,000 | 0.09% | 0.00% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 13963 | $173.86 | 490,078.0000 | 131,262,000 | 2.77% | 0.01% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 559 | $173.86 | 465,984.0000 | 131,262,000 | 0.12% | 0.00% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 97 | $174.52 | 489,981.0000 | 131,262,000 | 0.02% | 0.00% |
| Aug. 7, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 3 | $174.52 | 465,981.0000 | 131,262,000 | 0.00% | 0.00% |
| Aug. 8, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 25000 | $175.26 | 464,981.0000 | 131,262,000 | 5.10% | 0.02% |
| Aug. 8, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 1000 | $175.26 | 464,981.0000 | 131,262,000 | 0.21% | 0.00% |
| June 8, 2025 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | A | Common Stock | 2351 | $0.00 | 516,981.0000 | 131,262,000 | 0.46% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 6638 | $104.91 | 540,807.0000 | 156,831,000 | 1.21% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 266 | $104.91 | 515,364.0000 | 156,831,000 | 0.05% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 266 | $104.91 | 515,364.0000 | 156,831,000 | 0.05% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 266 | $104.91 | 515,364.0000 | 156,831,000 | 0.05% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 266 | $104.91 | 515,364.0000 | 156,831,000 | 0.05% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 266 | $104.91 | 515,364.0000 | 156,831,000 | 0.05% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 11083 | $105.80 | 529,724.0000 | 156,831,000 | 2.05% | 0.01% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 443 | $105.80 | 514,921.0000 | 156,831,000 | 0.09% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 443 | $105.80 | 514,921.0000 | 156,831,000 | 0.09% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 443 | $105.80 | 514,921.0000 | 156,831,000 | 0.09% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 443 | $105.80 | 514,921.0000 | 156,831,000 | 0.09% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 443 | $105.80 | 514,921.0000 | 156,831,000 | 0.09% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 7279 | $106.96 | 522,445.0000 | 156,831,000 | 1.37% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 291 | $106.96 | 514,630.0000 | 156,831,000 | 0.06% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 291 | $106.96 | 514,630.0000 | 156,831,000 | 0.06% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 291 | $106.96 | 514,630.0000 | 156,831,000 | 0.06% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 291 | $106.96 | 514,630.0000 | 156,831,000 | 0.06% | 0.00% |
| Nov. 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 291 | $106.96 | 514,630.0000 | 156,831,000 | 0.06% | 0.00% |
| Nov. 26, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 7815 | $107.17 | 514,630.0000 | 156,831,000 | 1.50% | 0.00% |
| Nov. 26, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 7814 | $107.17 | 514,630.0000 | 156,831,000 | 1.50% | 0.00% |
| Nov. 18, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 197297 | $90.51 | 566,407.0000 | 156,831,000 | 25.83% | 0.13% |
| Nov. 19, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 6148 | $95.30 | 560,259.0000 | 156,831,000 | 1.09% | 0.00% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 36202 | $91.34 | 777,502.0000 | 156,831,000 | 4.45% | 0.02% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 7583 | $92.13 | 769,919.0000 | 156,831,000 | 0.98% | 0.00% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 1124 | $94.04 | 768,795.0000 | 156,831,000 | 0.15% | 0.00% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 1541 | $95.54 | 767,254.0000 | 156,831,000 | 0.20% | 0.00% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 3051 | $96.56 | 764,203.0000 | 156,831,000 | 0.40% | 0.00% |
| Nov. 11, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 499 | $97.35 | 763,704.0000 | 156,831,000 | 0.07% | 0.00% |
| Nov. 6, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 5628 | $88.06 | 858,076.0000 | 156,831,000 | 0.65% | 0.00% |
| Nov. 6, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 3509 | $88.87 | 854,567.0000 | 156,831,000 | 0.41% | 0.00% |
| Nov. 6, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 40863 | $90.00 | 813,704.0000 | 156,831,000 | 4.78% | 0.03% |
| Nov. 6, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | S | Common Stock | 6567 | $90.00 | 813,704.0000 | 156,831,000 | 0.80% | 0.00% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 23827 | $0.00 | 870,271.0000 | 156,831,000 | 2.66% | 0.02% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 4767 | $0.00 | 870,271.0000 | 156,831,000 | 0.55% | 0.00% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 4765 | $0.00 | 870,271.0000 | 156,831,000 | 0.55% | 0.00% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 4765 | $0.00 | 870,271.0000 | 156,831,000 | 0.55% | 0.00% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 4765 | $0.00 | 870,271.0000 | 156,831,000 | 0.55% | 0.00% |
| Oct. 4, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | J | Common Stock | 4765 | $0.00 | 870,271.0000 | 156,831,000 | 0.55% | 0.00% |
| Sept. 30, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | G | Common Stock | 0 | $0.00 | 870,271.0000 | 37,131,000 | 0.00% | 0.00% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 9936 | $0.00 | 17,201,486.0000 | 37,131,000 | 0.06% | 0.03% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 16503 | $0.00 | 17,201,486.0000 | 37,131,000 | 0.10% | 0.04% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 16761590 | $0.00 | 17,201,486.0000 | 37,131,000 | 3810.35% | 45.14% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 23827 | $0.00 | 17,201,486.0000 | 37,131,000 | 0.14% | 0.06% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 179617 | $0.00 | 17,201,486.0000 | 37,131,000 | 1.06% | 0.48% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Common Stock | 210013 | $0.00 | 17,201,486.0000 | 37,131,000 | 1.24% | 0.57% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series A Preferred Stock | 65 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.00% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series A Preferred Stock | 65 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.00% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series A Preferred Stock | 9672 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.03% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 23827 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.06% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 1010 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.00% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 179617 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.48% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 1010 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.00% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 14957606 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 40.28% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series B Preferred Stock | 203445 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.55% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series C Preferred Stock | 6568 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.02% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series C Preferred Stock | 478056 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 1.29% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series C Preferred Stock | 6568 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.02% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series D Preferred Stock | 8861 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.02% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series D Preferred Stock | 8860 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 0.02% |
| March 22, 2024 | Astera Labs, Inc. | $ALAB | Dyckerhoff Stefan A | Not found | C | Series D Preferred Stock | 1316256 | $0.00 | 0.0000 | 37,131,000 | 100.00% | 3.54% |