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NovaBridge Biosciences

NBP
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001778016

In the last 90 days, NovaBridge Biosciences insiders filed 0 open-market purchases and 4 sales; 49 institutions reported holding it in 13F filings for Q2 2026, worth $48.1M in total; HHLR Advisors (Hillhouse) is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by NovaBridge Biosciences insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
4 filings
3 insiders, $92.3K in total
Insiders trading
3
Net value
−$92.3K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for NovaBridge Biosciences, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for NovaBridge Biosciences
NameTitleLast reported holdingLast filingFilings, past year
Dennis Phillip AndrewChief Medical Officer173,427Sep 21, 20262
Cao Sean WuxiongChief Bus. Development Officer266,467Sep 11, 20264
Xu Cong ClaireEVP, Clinical Development304,201Sep 1, 20263
Lenz Robert A.Director17,218Aug 25, 20261
Hagler Mark ArnoldChief Commercial Officer230,000Jul 10, 20262
Lin Liwei LorraineGeneral Counsel–Jul 10, 20261
Gupta SrishtiChief Executive Officer–Jul 8, 20261
Fu WeiDirector–Jun 30, 20261

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 28, 2026 (view filing)Apr 244 daysHagler Mark ArnoldSee RemarksPPurchase+230.0K$2.51+$577.3KNew position230.0K after
May 18, 2026 (view filing)May 144 daysCao Sean WuxiongSee RemarksSSale−21.4K$1.99−$42.6K−37.9%35.1K after
Jun 2, 2026 (view filing)Jun 11 dayXu Cong ClaireSVP, Clinical DevelopmentSSale−3.49K$3.94−$13.8K−1.2%290.2K after
Jun 22, 2026 (view filing)Jun 184 daysDennis Phillip AndrewChief Medical OfficerSSale−8.49K$0.66−$5.61K−5.1%157.9K after
Jul 7, 2026 (view filing)7:50 PM ETJul 61 dayXu Cong ClaireSVP, Clinical DevelopmentSSale−4.49K$0.89−$3.99K−1.5%298.1K after
Sep 1, 2026 (view filing)6:00 PM ETAug 311 dayXu Cong ClaireEVP, Clinical DevelopmentSSale−3.28K$0.79−$2.59K−1.1%304.2K after
Sep 11, 2026 (view filing)4:30 PM ETSep 92 daysCao Sean WuxiongChief Bus. Development OfficerSSale−108.0K$0.74−$79.9K−28.8%266.5K after
Sep 21, 2026 (view filing)4:05 PM ETSep 183 daysDennis Phillip AndrewChief Medical OfficerSSale−8.21K$0.71−$5.83K−4.5%173.4K after