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$BOLD All transactions

Boundless Bio, Inc.

A

$ Value

$0

Shares

230,000

Price

$0

Filed

Jan 26

Insider

Name

Hassig Christian

Title

Chief Scientific Officer

CIK

0001730657

Roles

Officer

Transaction Details

Transaction Date

2026-01-23

Code

A

Table

Derivative

Ownership

Direct

Equity Swap

No

Shares After

230,000

Footnotes

The vesting commencement date is January 1, 2026. The stock option vests in 48 substantially equal monthly installments. Accordingly, 1/48th of this stock option vests on February 1, 2026, and monthly thereafter.

Filing Info

Accession No.

0001193125-26-021657

Form Type

4

Issuer CIK

0001782303

Hassig Christian's History

Date Ticker Type Value
2026-01-23 BOLD A $0

Other Insiders at BOLD (90d)

Insider Bought Sold Last
HINKLE DAVID A
See Remarks
2026-01-23
Hornby Zachary
President & CEO
2026-01-23
Oien Jessica
See Remarks
2026-01-23
Doebele Robert
Chief Medical Officer
2026-01-23