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Signal8

Hagler Mark Arnold

SEC insider (Form 3/4/5 filer). CIK 0002126029. Chief Commercial Officer at NovaBridge Biosciences (NBP). 2 reported Form 4/5 transactions since Sep 2024; latest on Jul 8, 2026. Located in ROCKVILLE, MD.

Companies Hagler Mark Arnold has filed insider reports for

  • NovaBridge Biosciences (NBP): Officer, Chief Commercial Officer
Hagler Mark Arnold profile photo

Hagler Mark Arnold

CIK: 0002126029

Transaction Breakdown

Open Market Buys (P)1 (50.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

NovaBridge Biosciences logo
NBP

NovaBridge Biosciences

Officer

Discretionary Trading P&L

Holdings

Transaction History (2 total)

  • NovaBridge Biosciences logo
    NBP

    NovaBridge Biosciences

    Jul 8, 2026
    Award

    2025 Employee Share Option (right to buy)

    Direct
    949.1K shares-
  • NovaBridge Biosciences logo
    NBP

    NovaBridge Biosciences

    Apr 24, 2026
    Purchase
    Direct
    230K shares at avg. $2.51$577K

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