Dyckerhoff Stefan A Insider Trading -- Recent SEC Form 4 Transactions
Dyckerhoff Stefan A (CIK 1484394) reported 57 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-10-09). Recent activity: Buy ALAB (68 shares), Sell ALAB (3,505 shares), Sell ALAB (8,333 shares), Sell ALAB (661 shares), Sell ALAB (148 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-09 | Astera Labs, Inc. (ALAB) | Director | Buy | 68 | $21,187 |
| 2026-10-09 | Astera Labs, Inc. (ALAB) | Director | Sell | 3,505 | $1.3M |
| 2026-10-09 | Astera Labs, Inc. (ALAB) | Director | Sell | 8,333 | $3.1M |
| 2026-10-09 | Astera Labs, Inc. (ALAB) | Director | Sell | 661 | $248,576 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 148 | $40,779 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 650 | $177,868 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 52 | $14,229 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 2,275 | $625,145 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 5,409 | $1.5M |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 429 | $117,884 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 785 | $216,293 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 1,867 | $514,420 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 273 | $74,705 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 172 | $47,601 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 407 | $112,638 |
| 2026-09-03 | Astera Labs, Inc. (ALAB) | Director | Sell | 32 | $8,856 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 1,029 | $318,258 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 2,447 | $756,830 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 194 | $60,002 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 269 | $83,759 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 640 | $199,278 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 51 | $15,880 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 2,207 | $690,954 |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 5,246 | $1.6M |
| 2026-08-10 | Astera Labs, Inc. (ALAB) | Director | Sell | 416 | $130,239 |
Source: SEC Form 4 filings · as of 2026-10-09