Stefan A. Dyckerhoff
Stefan A. Dyckerhoff: Director at Astera Labs. What Stefan A. Dyckerhoff holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Astera Labs (ALAB)
Stefan A. Dyckerhoff holds 367,325 Astera Labs shares (0.21% of the company), worth about $133.0M at the last price, according to the Form 4 of Sep 2, 2026.
- Shares held: 294,733 (0.17%), $106.7M — Held through trusts (By Trust).
- Shares held: 50,456 (0.03%), $18.3M — Held in their own name.
- Shares held: 22,136 (0.01%), $8.0M — Held through companies or funds (By Limited Partnership (TF), By DIFT-2, By DIFT-AMD, By DIFT-BAD).
Declarations
- Astera Labs (ALAB) — Form 4 of Sep 2, 2026: open-market sale of 273 at $273.64; open-market sale of 650 at $273.64; 367,325 shares after 0001484394-26-000011
- Astera Labs (ALAB) — Form 4 of Aug 6, 2026: open-market sale of 1,029 at $309.29; open-market sale of 2,447 at $309.29; 379,824 shares after 0001484394-26-000009
- Astera Labs (ALAB) — Form 4 of Jul 1, 2026: open-market sale of 3,505 at $450.00; open-market sale of 8,333 at $450.00; 392,323 shares after 0001484394-26-000006
- Astera Labs (ALAB) — Form 4 of Jun 4, 2026: open-market sale of 3,077 at $364.25; open-market sale of 7,314 at $364.25; 404,822 shares after 0001484394-26-000004
- Astera Labs (ALAB) — Form 4 of May 7, 2026: open-market sale of 1,783 at $199.00; open-market sale of 4,238 at $199.00; 416,484 shares after 0001484394-26-000002
- Astera Labs (ALAB) — Form 4 of Apr 20, 2026: open-market sale of 3,253 at $175.00; open-market sale of 7,733 at $175.00; 428,983 shares after 0001231919-26-000382
- Astera Labs (ALAB) — Form 4 of Aug 13, 2025: gift of 11,000; 453,981 shares after 0001415889-25-022112
- Astera Labs (ALAB) — Form 4 of Aug 8, 2025: open-market sale of 10,940 at $172.86; open-market sale of 438 at $172.86; 464,981 shares after 0001415889-25-021461
- Astera Labs (ALAB) — Form 4 of Jun 8, 2025: grant or award of 2,351; 516,981 shares after 0001415889-25-016576
- Astera Labs (ALAB) — Form 4 of Nov 26, 2024: open-market sale of 6,638 at $104.91; open-market sale of 266 at $104.91; 514,630 shares after 0001415889-24-027791
- Astera Labs (ALAB) — Form 4 of Nov 19, 2024: open-market sale of 197,297 at $90.51; open-market sale of 6,148 at $95.30; 560,259 shares after 0001415889-24-027341
- Astera Labs (ALAB) — Form 4 of Nov 11, 2024: open-market sale of 36,202 at $91.34; open-market sale of 7,583 at $92.13; 763,704 shares after 0001415889-24-026691
- Astera Labs (ALAB) — Form 4 of Nov 6, 2024: open-market sale of 5,628 at $88.06; open-market sale of 3,509 at $88.87; 813,704 shares after 0001415889-24-026428
- Astera Labs (ALAB) — Form 4 of Oct 4, 2024: other of 23,827; other of 4,767; 870,271 shares after 0001415889-24-024877
- Astera Labs (ALAB) — Form 4 of Sep 30, 2024: gift of 0; 870,271 shares after 0001415889-24-024403
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.