Skip to main content
Signal8

Lynch Thomas P.

SEC insider (Form 3/4/5 filer). CIK 0001659824. Officer at BillionToOne, Inc. (BLLN). 30 reported Form 4/5 transactions since Sep 2024; latest on Oct 13, 2026. Located in MENLO PARK, CA.

Companies Lynch Thomas P. has filed insider reports for

  • BillionToOne, Inc. (BLLN): Officer, See Remarks
Lynch Thomas P. profile photo

Lynch Thomas P.

CIK: 0001659824

Transaction Breakdown

Open Market Buys (P)1 (3.3%)

High conviction signal

Open Market Sales (S)17 (56.7%)

Position reduction

Option Exercises (M)10 (33.3%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (6.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BillionToOne, Inc. logo
BLLN

BillionToOne, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (30 total)

  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Oct 13, 2026
    Exercise
    Direct
    2K shares at avg. $8.65$17K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Oct 8, 2026
    Exercise
    Direct
    8K shares at avg. $8.65$69K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Sale
    Direct
    2.9K shares at avg. $110.31$322K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Exercise
    Direct
    2.9K shares at avg. $17.12$50K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Sale
    Direct
    19.4K shares at avg. $110.36$2.1M
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Sale
    Direct
    7K shares at avg. $110.30$769K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Exercise
    Direct
    19.4K shares at avg. $8.65$168K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Exercise
    Direct
    7K shares at avg. $11.55$80K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Exercise
    Direct
    5.8K shares at avg. $30.78$180K
  • BillionToOne, Inc. logo
    BLLN

    BillionToOne, Inc.

    Sep 17, 2026
    Sale
    Direct
    5.8K shares at avg. $110.29$644K

1-10 of 30