Lynch Thomas P. (CIK 1659824) reported 28 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-21). Recent activity: Buy BLLN (19,384 shares), Buy BLLN (6,968 shares), Buy BLLN (2,920 shares), Buy BLLN (5,840 shares), Sell BLLN (19,384 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 19,384 | $167,672 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 6,968 | $80,480 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 2,920 | $49,990 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 5,840 | $179,755 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 19,384 | $2.1M |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 6,968 | $768,561 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 2,920 | $322,100 |
| 2026-09-21 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 5,840 | $644,112 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 38 | $3,666 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 3,969 | $45,842 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 1,663 | $28,471 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 3,326 | $102,374 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Buy | 11,042 | $95,513 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 1,944 | $192,390 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 8,285 | $829,517 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 775 | $78,142 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 614 | $60,785 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 2,997 | $300,040 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 358 | $36,095 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 385 | $38,201 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 1,131 | $113,469 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 147 | $14,907 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 576 | $56,960 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 2,518 | $252,293 |
| 2026-09-10 | BillionToOne, Inc. (BLLN) | General Counsel, Chief Compliance Officer and Secretary | Sell | 232 | $23,414 |
Source: SEC Form 4 filings · as of 2026-09-21