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NovaBridge Biosciences (NBP) CMO reports options, RSUs and shares on Form 3

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

NovaBridge Biosciences Chief Medical Officer Dennis Phillip Andrew filed an initial ownership report, listing his equity awards and share holdings. He holds 2024 employee share options over 494,510 underlying Ordinary Shares at an exercise price of 1.8200 and additional options over 186,300 underlying Ordinary Shares at 1.0500, both expiring in 2034. He also holds 92,724 restricted share units tied to Ordinary Shares and 142,740 Ordinary Shares directly. The footnotes explain that the securities may be represented by ADSs and that the options and RSUs vest over four years under specified schedules.

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Insider Dennis Phillip Andrew
Role Chief Medical Officer
Type Security Shares Price Value
holding 2024 Employee Share Option (right to buy) -- -- --
holding 2024 Employee Share Option (right to buy) -- -- --
holding Restricted Share Units -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: 2024 Employee Share Option (right to buy) — 494,510 shares (Direct); Restricted Share Units — 92,724 shares (Direct); Ordinary Shares — 142,740 shares (Direct)
Footnotes (1)
  1. The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer. Reported securities are represented by 62,061 ADSs. Number of underlying securities and exercise price expressed in terms of ADSs. The option was granted on June 17, 2024. The option vests and become 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 17th day of each third month. The option was granted on September 3, 2024 and is fully vested and exercisable. On June 17, 2024, the Reporting Person was granted 164,840 restricted share units ("RSUs"). Each RSU represents a contingent right to receive one ADS. The RSUs vested or shall 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 17th day of each third month.
SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
Dennis Phillip Andrew

(Last)(First)(Middle)
C/O NOVABRIDGE BIOSCIENCES,
2440 RESEARCH BOULEVARD, SUITE 400

(Street)
ROCKVILLE MARYLAND 20850

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
NovaBridge Biosciences [ NBP ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Medical Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares(1)142,740(2)D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
2024 Employee Share Option (right to buy) (4)06/17/2034Ordinary Shares(1)494,510(3)$1.82(3)D
2024 Employee Share Option (right to buy) (5)09/03/2034Ordinary Shares(1)186,300(3)$1.05(3)D
Restricted Share Units (6) (6)Ordinary Shares(1)92,724(3)(6)D
Explanation of Responses:
1. The Ordinary Shares may be represented by American Depositary Shares ("ADS"). Each 10 ADSs represent 23 Ordinary Shares of the Issuer.
2. Reported securities are represented by 62,061 ADSs.
3. Number of underlying securities and exercise price expressed in terms of ADSs.
4. The option was granted on June 17, 2024. The option vests and become 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 17th day of each third month.
5. The option was granted on September 3, 2024 and is fully vested and exercisable.
6. On June 17, 2024, the Reporting Person was granted 164,840 restricted share units ("RSUs"). Each RSU represents a contingent right to receive one ADS. The RSUs vested or shall 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 17th day of each third month.
Remarks:
Exhibit List: Ex. 24.1 - Power of Attorney
/s/ Xi-Yong (Sean) Fu as attorney-in-fact03/18/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does NovaBridge Biosciences (NBP) Chief Medical Officer report on this Form 3?

The filing lists Dennis Phillip Andrew’s existing equity position, including options, restricted share units, and Ordinary Shares. It is an initial ownership statement, not a record of new buying or selling activity in NovaBridge Biosciences securities.

How many options does the NovaBridge Biosciences (NBP) CMO hold according to the Form 3?

He holds 2024 employee share options over 494,510 underlying Ordinary Shares at an exercise price of 1.8200 and additional options over 186,300 underlying Ordinary Shares at 1.0500, both expiring in 2034, as disclosed in the derivative holdings summary.

What restricted share units are reported for the NovaBridge Biosciences (NBP) CMO?

The Form 3 shows 92,724 restricted share units linked to Ordinary Shares. Footnotes explain these RSUs stem from a June 17, 2024 grant of 164,840 RSUs that vest over four years on a schedule tied to quarterly dates.

How many NovaBridge Biosciences (NBP) Ordinary Shares does the CMO directly own?

The report states that Dennis Phillip Andrew directly holds 142,740 Ordinary Shares. This figure represents his direct share ownership separate from options and restricted share units, which, if vested and exercised, could increase his effective economic exposure.

Are NovaBridge Biosciences (NBP) securities in this Form 3 represented by ADSs?

Footnotes note that the Ordinary Shares may be represented by American Depositary Shares, where each 10 ADSs represent 23 Ordinary Shares, and that the reported securities are represented by 62,061 ADSs, with option terms expressed in ADS-equivalent terms.

Does this NovaBridge Biosciences (NBP) Form 3 show any insider buying or selling?

No buy or sell transactions are indicated. All entries are classified as holdings with unknown transaction codes, and the transaction summary shows zero buys, zero sells, and only holding entries, consistent with an initial ownership report for a new reporting insider.
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Biotechnology
Healthcare
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United States
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