StockCIK 1778016
NovaBridge Biosciences (NBP): Insider Trades and Fund Holdings
In the past 12 months, NovaBridge Biosciences insiders reported 0 open-market purchases worth $0 and 3 sales worth $88K; 0 of the sales were reported as made under a 10b5-1 trading plan.
0Insider buys, 12 months
$0Bought by insiders, 12 months
$88KSold by insiders, 12 months
1Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 21, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 21 | Phillip Andrew DennisChief Medical Officer | ▼ SELL | $6K |
| Sep 11 | Sean Wuxiong CaoChief Bus. Development Officer | ▼ SELL | $80K |
| Sep 1 | Cong Claire XuEVP | ▼ SELL | $3K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Phillip Andrew Dennis | Chief Medical Officer | 0 | $0 | 1 | $6K |
| Sean Wuxiong Cao | Chief Bus. Development Officer | 0 | $0 | 1 | $80K |
| Cong Claire Xu | EVP | 0 | $0 | 1 | $3K |
Tracked funds that report NBP
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 758,226 | $1.48M | ▲ +178.3% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →