Decoster Lukas (CIK 2099021) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-20). Recent activity: Buy BLLN (640,727 shares), Buy BLLN (18,845 shares), Buy BLLN (2.0M shares), Buy BLLN (2.5M shares), Buy BLLN (2.6M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 640,727 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 18,845 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.0M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.5M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.6M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Sell | 640,727 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Sell | 18,845 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Sell | 2.0M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Sell | 2.6M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Sell | 2.6M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 640,727 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 18,845 | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.0M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.6M | $0 |
| 2026-01-20 | BillionToOne, Inc. (BLLN) | Insider | Buy | 2.6M | $0 |
Source: SEC Form 4 filings · as of 2026-01-20