Xiangmin Cui
CIK 1487815 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 5, 2024 · Latest: Sept. 5, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 18 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
18 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 25, 2024 | NUVB | P | 277,895 | $2.97 | $825,348 | 2,453,131 Indirect | +12.78% | Acquired | 126.6% (price as of 2026-08-24) |
| June 24, 2024 | NUVB | P | 336,874 | $2.98 | $1,003,885 | 2,175,236 Indirect | +18.32% | Acquired | 125.8% (price as of 2026-08-24) |
| June 21, 2024 | NUVB | P | 75,411 | $3.00 | $226,233 | 1,838,362 Indirect | +4.28% | Acquired | 124.3% (price as of 2026-08-24) |
| June 20, 2024 | NUVB | P | 87,715 | $2.99 | $262,268 | 1,762,951 Indirect | +5.24% | Acquired | 125.1% (price as of 2026-08-24) |
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 |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock (123,397) | $4.79 | May 20, 2036 | 123,397 | Acquired |
| Feb. 27, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock (76,923) | $5.91 | Feb. 26, 2036 | 76,923 | Acquired |
| Feb. 27, 2026 | NUVB | Stock Option (Right to Buy) | Class A Common Stock (74,813) | $5.91 | Feb. 26, 2036 | 74,813 | Acquired |
| Sept. 4, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (967,100) | — | — | 9,671 | Disposed |
| Sept. 4, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (5,157,900) | — | — | 51,579 | Disposed |
| Sept. 4, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (12,879,200) | — | — | 128,792 | Disposed |
| Sept. 3, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (967,100) | — | — | 9,671 | Acquired |
| Sept. 3, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (5,157,900) | — | — | 51,579 | Acquired |
| Sept. 3, 2024 | NUVB | Series A Preferred Stock | Class A Common Stock (12,879,200) | — | — | 128,792 | Acquired |
| Sept. 3, 2024 | NUVB | Warrants (Right to Buy) | Class A Common Stock (32,877) | $11.50 | April 9, 2029 | 32,877 | Acquired |
| Sept. 3, 2024 | NUVB | Warrants (Right to Buy) | Class A Common Stock (175,346) | $11.50 | April 9, 2029 | 175,346 | Acquired |
| Sept. 3, 2024 | NUVB | Warrants (Right to Buy) | Class A Common Stock (437,834) | $11.50 | April 9, 2029 | 437,834 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).