Dyckerhoff Stefan A — SEC Form 4 filings
SEC reporting owner CIK 1484394. 16 Form 4 filings on record with FilingPulse; latest filed 2026-09-03.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-03-22 to 2026-09-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 82 legs across 11 filings — 495,134 shares, $66,427,974 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 197,297 shares @ $90.51 ($17,857,371) in Astera Labs, Inc., filed 2024-11-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Astera Labs, Inc. (ALAB) | Director | 16 | — | 82 legs · 495,134 sh · $66,427,974 | 31 |
Form 4 filings — Dyckerhoff Stefan A
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-03 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 273 @ $273.64 · Sale (S): 650 @ $273.64 · Sale (S): 52 @ $273.64 · Sale (S): 2,275 @ $274.79 · Sale (S): 5,409 @ $274.79 · Sale (S): 429 @ $274.79 · +6 more | EDGAR |
| 2026-08-10 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 1,029 @ $309.29 · Sale (S): 2,447 @ $309.29 · Sale (S): 194 @ $309.29 · Sale (S): 269 @ $311.37 · Sale (S): 640 @ $311.37 · Sale (S): 51 @ $311.37 · +3 more | EDGAR |
| 2026-07-02 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 3,505 @ $450 · Sale (S): 8,333 @ $450 · Sale (S): 661 @ $450 | EDGAR |
| 2026-06-05 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 3,077 @ $364.25 · Sale (S): 7,314 @ $364.25 · Sale (S): 580 @ $364.25 · Sale (S): 428 @ $365.09 · Sale (S): 1,019 @ $365.09 · Sale (S): 81 @ $365.09 · +1 more | EDGAR |
| 2026-05-11 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 1,783 @ $199 · Sale (S): 4,238 @ $199 · Sale (S): 336 @ $199 · Sale (S): 1,722 @ $201.10 · Sale (S): 4,095 @ $201.10 · Sale (S): 325 @ $201.10 | EDGAR |
| 2026-04-21 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 3,253 @ $175 · Sale (S): 7,733 @ $175 · Sale (S): 613 @ $175 · Sale (S): 3,757 @ $175.12 · Sale (S): 8,933 @ $175.12 · Sale (S): 709 @ $175.12 | EDGAR |
| 2025-08-15 | 4 | Astera Labs, Inc. (ALAB) | Gift (G): 11,000 @ $0 | EDGAR |
| 2025-08-11 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 10,940 @ $172.86 · Sale (S): 438 @ $172.86 · Sale (S): 13,963 @ $173.86 · Sale (S): 559 @ $173.86 · Sale (S): 97 @ $174.52 · Sale (S): 3 @ $174.52 · +2 more | EDGAR |
| 2025-06-10 | 4 | Astera Labs, Inc. (ALAB) | Grant/award (A): 2,351 @ $0 | EDGAR |
| 2024-11-26 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 6,638 @ $104.91 · Sale (S): 266 @ $104.91 · Sale (S): 266 @ $104.91 · Sale (S): 266 @ $104.91 · Sale (S): 266 @ $104.91 · Sale (S): 266 @ $104.91 · +14 more | EDGAR |
| 2024-11-20 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 197,297 @ $90.51 · Sale (S): 6,148 @ $95.30 | EDGAR |
| 2024-11-13 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 36,202 @ $91.34 · Sale (S): 7,583 @ $92.13 · Sale (S): 1,124 @ $94.04 · Sale (S): 1,541 @ $95.54 · Sale (S): 3,051 @ $96.56 · Sale (S): 499 @ $97.35 | EDGAR |
| 2024-11-08 | 4 | Astera Labs, Inc. (ALAB) | Sale (S): 5,628 @ $88.06 · Sale (S): 3,509 @ $88.87 · Sale (S): 40,863 @ $90.00 · Sale (S): 6,567 @ $90 | EDGAR |
| 2024-10-08 | 4 | Astera Labs, Inc. (ALAB) | Other (J): 23,827 @ $0 · Other (J): 4,767 @ $0 · Other (J): 4,765 @ $0 · Other (J): 4,765 @ $0 · Other (J): 4,765 @ $0 · Other (J): 4,765 @ $0 | EDGAR |
| 2024-10-02 | 4 | Astera Labs, Inc. (ALAB) | Gift (G): 0 @ $0 | EDGAR |
| 2024-03-22 | 4 | Astera Labs, Inc. (ALAB) | Conversion (C): 9,936 · Conversion (C): 16,503 · Conversion (C): 16,761,590 · Conversion (C): 23,827 · Conversion (C): 179,617 · Conversion (C): 210,013 · +15 more | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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