Cong Claire Xu
CIK 2114309 · View on SEC EDGAR ↗
Insider
First SEC filing: April 10, 2026 · Latest: April 10, 2026
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-17,758
+ 4 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
4 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 6, 2026 | NBP | S | 4,485 | $0.89 | $3,992 | 298,101 Direct | -1.48% | Disposed | 106.4% (price as of 2026-08-20) |
| June 1, 2026 | NBP | S | 3,494 | $3.94 | $13,766 | 290,154 Direct | -1.19% | Disposed | -53.4% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 4, 2026 | NBP | Restricted Share Units | Ordinary Shares [F1] | — | — | 5,405 | Disposed |
| May 30, 2026 | NBP | Restricted Share Units | Ordinary Shares [F1] | — | — | 4,079 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 10, 2026 | NBP | Ordinary Shares [F1] | 284,266 | Direct |
| March 18, 2026 | NBP | Ordinary Shares [F1] | 288,266 | Direct |
| March 18, 2026 | NBP | 2021 Employee Share Option (right to buy)→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | 2022 Employee Share Option (right to buy)→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | 2023 Employee Share Option (right to buy)→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | 2024 Employee Share Option (right to buy)→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | 2024 Employee Share Option (right to buy)→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | Restricted Share Units→ Ordinary Shares [F1] | — | Direct |
| March 18, 2026 | NBP | Restricted Share Units→ Ordinary Shares [F1] | — | Direct |