Form4insider filings, from the source

Company · CIK 0001778016 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

NovaBridge Biosciences · NBP

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $88k · 3net −$88k
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 18, 2026 SForm 4 →Sep 21, 4:05 pm EDTPhillip Andrew DennisChief Medical Officer8,209$0.71$5,828173,427−4.52%
Sep 17, 2026 MForm 4 →Sep 21, 4:05 pm EDTPhillip Andrew DennisChief Medical Officer23,695——181,636—
Sep 9, 2026 SForm 4 →Sep 11, 4:30 pm EDTSean Wuxiong CaoChief Bus. Development Officer107,978$0.74$79,904266,467−28.8%
Sep 3, 2026 MForm 4 →Sep 8, 5:51 pm EDTSean Wuxiong CaoChief Bus. Development Officer339,372——374,445—
Aug 31, 2026 SForm 4 →Sep 1, 6:00 pm EDTCong Claire XuEVP, Clinical Development3,282$0.79$2,593304,201−1.07%
Aug 30, 2026 MForm 4 →Sep 1, 6:00 pm EDTCong Claire XuEVP, Clinical Development9,382——307,483—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 MForm 4 →Sep 21, 4:05 pm EDTPhillip Andrew DennisChief Medical Officer10,302——72,120—
Sep 3, 2026 MForm 4 →Sep 8, 5:51 pm EDTSean Wuxiong CaoChief Bus. Development Officer147,553——135,960—
Aug 30, 2026 MForm 4 →Sep 1, 6:00 pm EDTCong Claire XuEVP, Clinical Development4,079——28,558—