Joanna Xuqiong Wu - 18 Mar 2026 Form 3 Insider Report for NovaBridge Biosciences (NBP)

Role
Officer
Signature
/s/ Xi-Yong (Sean) Fu as attorney-in-fact_
Issuer symbol
NBP
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 21:39:24 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Wu Joanna Xuqiong Officer C/O NOVABRIDGE BIOSCIENCES,, 2440 RESEARCH BOULEVARD, SUITE 400, ROCKVILLE /s/ Xi-Yong (Sean) Fu as attorney-in-fact_ 18 Mar 2026 0002113843

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding NBP Ordinary Shares 1,150 18 Mar 2026 Direct F1, F2
holding NBP Ordinary Shares 4,600 18 Mar 2026 Spouse F1, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding NBP 2026 Employee Share Option (right to buy) 18 Mar 2026 Ordinary Shares 46,875 $3.31 Direct F1, F4, F5
holding NBP Restricted Share Units 18 Mar 2026 Ordinary Shares 24,169 Direct F1, F4, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer.
F2 Reported securities are represented by 500 ADSs.
F3 Reported securities are represented by 2,000 ADSs.
F4 Number of underlying securities and exercise price expressed in terms of ADSs.
F5 The option was granted on February 1, 2026. The option vests and becomes exercisable over four years, with one-fourth vesting on the first anniversary of the grant date and the balance vesting ratably over the subsequent 12 quarters on the first day of each third month.
F6 On February 1, 2026, the Reporting Person was granted 24,169 restricted share units ("RSUs"). Each RSU represents a contingent right to receive one ADS. The RSUs vest over four years, with one-fourth vesting on the first anniversary of the grant date and the balance vesting ratably over the subsequent 12 quarters on the first day of each third month.

Remarks:

Senior Vice President, Head of Operations, General Counsel (US) Exhibit List: Ex. 24.1 - Power of Attorney