5 insiders reported 16 Form 4 transactions for NovaBridge Biosciences (NBP) over the past 18 months (most recent 2026-09-21). Recent activity: Dennis Phillip Andrew (Chief Medical Officer) Sell 8,209 shares, Dennis Phillip Andrew (Chief Medical Officer) Buy 23,695 shares, Cao Sean Wuxiong (Chief Bus. Development Officer) Sell 107,978 shares, Cao Sean Wuxiong (Chief Bus. Development Officer) Buy 235,136 shares, Cao Sean Wuxiong (Chief Bus. Development Officer) Buy 104,236 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-21 | Dennis Phillip Andrew | Chief Medical Officer | Sell | 8,209 | $5,828 |
| 2026-09-21 | Dennis Phillip Andrew | Chief Medical Officer | Buy | 23,695 | $0 |
| 2026-09-11 | Cao Sean Wuxiong | Chief Bus. Development Officer | Sell | 107,978 | $79,904 |
| 2026-09-08 | Cao Sean Wuxiong | Chief Bus. Development Officer | Buy | 235,136 | $0 |
| 2026-09-08 | Cao Sean Wuxiong | Chief Bus. Development Officer | Buy | 104,236 | $0 |
| 2026-09-01 | Xu Cong Claire | EVP, Clinical Development | Buy | 9,382 | $0 |
| 2026-09-01 | Xu Cong Claire | EVP, Clinical Development | Sell | 3,282 | $2,593 |
| 2026-08-25 | Lenz Robert A. | Director | Buy | 17,218 | $0 |
| 2026-07-07 | Xu Cong Claire | SVP, Clinical Development | Buy | 12,432 | $0 |
| 2026-07-07 | Xu Cong Claire | SVP, Clinical Development | Sell | 4,485 | $3,992 |
| 2026-06-22 | Dennis Phillip Andrew | Chief Medical Officer | Buy | 23,695 | $0 |
| 2026-06-22 | Dennis Phillip Andrew | Chief Medical Officer | Sell | 8,494 | $5,606 |
| 2026-06-02 | Xu Cong Claire | SVP, Clinical Development | Buy | 9,382 | $0 |
| 2026-06-02 | Xu Cong Claire | SVP, Clinical Development | Sell | 3,494 | $13,766 |
| 2026-05-18 | Cao Sean Wuxiong | Chief Business Development Officer and Director | Sell | 21,399 | $42,584 |
| 2026-04-28 | Hagler Mark Arnold | President and Chief Commercial Officer | Buy | 230,000 | $577,300 |
Source: SEC Form 4 filings · as of 2026-09-21