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CIK 0001778016 · Non-accelerated filer

NovaBridge Biosciences

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Ticker
NBP
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
Cayman Islands
Entity type
other
Phone
(301) 670 2800
Business address
SUITE 400, 2440 RESEARCH BLVD, ROCKVILLE, MD, 20850
Former names
I-Mab
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$88,325
in 3 filings

Net −$88,325. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-10-15 Woo Ian Ying Director Option exercise +13,271 13,271
2026-10-15 Woo Ian Ying Director Option exercise · Restricted Share Units −5,770 11,540
2026-09-18 Dennis Phillip Andrew Chief Medical Officer Sale −8,209 $0.71 $6K 173,427
2026-09-17 Dennis Phillip Andrew Chief Medical Officer Option exercise +23,695 181,636
2026-09-17 Dennis Phillip Andrew Chief Medical Officer Option exercise · Restricted Share Units −10,302 72,120
2026-09-09 Cao Sean Wuxiong Chief Bus. Development Officer Sale −107,978 $0.74 $80K 266,467
2026-09-03 Cao Sean Wuxiong Chief Bus. Development Officer Option exercise +235,136 270,209
2026-09-03 Cao Sean Wuxiong Chief Bus. Development Officer Option exercise +104,236 374,445
2026-09-03 Cao Sean Wuxiong Chief Bus. Development Officer Option exercise · Restricted Share Units −102,233 306,700
2026-09-03 Cao Sean Wuxiong Chief Bus. Development Officer Option exercise · Restricted Share Units −45,320 135,960
2026-08-31 Xu Cong Claire EVP, Clinical Development Sale −3,282 $0.79 $3K 304,201
2026-08-30 Xu Cong Claire EVP, Clinical Development Option exercise +9,382 307,483
2026-08-30 Xu Cong Claire EVP, Clinical Development Option exercise · Restricted Share Units −4,079 28,558
2026-08-22 Lenz Robert A. Director Option exercise +17,218 17,218
2026-08-22 Lenz Robert A. Director Option exercise · Restricted Share Units −7,486 14,974
2026-07-08 Hagler Mark Arnold Chief Commercial Officer Grant or award · 2025 Employee Share Option (right to buy) +949,050 949,050
2026-07-08 Lin Liwei Lorraine General Counsel Grant or award · 2025 Employee Share Option (right to buy) +254,780 254,780
2026-07-06 Gupta Srishti Chief Executive Officer Grant or award · 2025 Employee Share Option (right to buy) +3,000,000 3,000,000
2026-07-06 Xu Cong Claire SVP, Clinical Development Sale −4,485 $0.89 $4K 298,101
2026-07-04 Xu Cong Claire SVP, Clinical Development Option exercise +12,432 302,586

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