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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Cao Sean Wuxiong −$80K Chief Bus. Development Officer sold 29% of stake
  2. Dennis Phillip Andrew −$6K Chief Medical Officer sold 5% of stake
  3. Xu Cong Claire −$3K EVP, Clinical Development sold 1% of stake
Date Insider Transaction Shares Price Value Owned after
2026-07-04 Xu Cong Claire SVP, Clinical Development Option exercise · Restricted Share Units −5,405 0
2026-06-29 Fu Wei Director Grant or award · 2025 Employee Share Option (right to buy) +725,140 725,140
2026-06-29 Fu Wei Director Grant or award · 2025 Employee Share Option (right to buy) +1,087,720 1,087,720
2026-06-29 Fu Wei Director Grant or award · 2025 Employee Share Option (right to buy) +1,087,720 1,087,720
2026-06-29 Fu Wei Director Grant or award · Restricted Share Units +1,010,100 1,010,100
2026-06-22 Cao Sean Wuxiong Chief Bus. Development Officer Grant or award · Restricted Share Units +181,280 181,280
2026-06-22 Cao Sean Wuxiong Chief Bus. Development Officer Grant or award · 2025 Employee Share Option (right to buy) +181,290 181,290
2026-06-18 Dennis Phillip Andrew Chief Medical Officer Sale −8,494 $0.66 $6K 157,941
2026-06-17 Dennis Phillip Andrew Chief Medical Officer Option exercise +23,695 166,435
2026-06-17 Dennis Phillip Andrew Chief Medical Officer Option exercise · Restricted Share Units −10,302 82,422
2026-06-01 Xu Cong Claire SVP, Clinical Development Sale −3,494 $3.94 $14K 290,154
2026-05-30 Xu Cong Claire SVP, Clinical Development Option exercise +9,382 293,648
2026-05-30 Xu Cong Claire SVP, Clinical Development Option exercise · Restricted Share Units −4,079 32,637
2026-05-14 Cao Sean Wuxiong See Remarks Sale −21,399 $1.99 $43K 35,073
2026-04-24 Hagler Mark Arnold See Remarks Purchase +230,000 $2.51 $577K 230,000

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