Xiangmin Cui
CIK 1487815 · last filed 2026-05-26
Xiangmin Cui is a corporate insider who has filed 27 SEC Form 4 insider transactions across 7 companies since 2010. The most recent filing, for NUVB, was dated May 26, 2026. Across all open-market trades the lifetime net is +$20.5M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $2.9M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$2.89M
7
27
$20.51M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NUVB | Director | — | $4.92 | — | $0 | 3 | 2026-05-26 |
| BYSI | 10%+ Owner | 1,841,297 | $1.57 | $2.89M | -$996.0K | 4 | 2025-10-02 |
| Nuvation Bio Inc. (NUVB.WS) Delisted | Director | 7,611,031 | $0.01 | $38.8K | $2.32M | 4 | 2024-09-05 |
| ALPINE IMMUNE SCIENCES, INC. (ALPN) Delisted | Director | 6,582,380 | $64.97 | $427.66M | $19.19M | 10 | 2024-01-22 |
| Cue Health Inc. (HLTH) Delisted | Director | 788,441 | $0.04 | $34.2K | $0 | 1 | 2021-09-30 |
| ARMO BioSciences, Inc. (ARMO) Delisted | Director | 0 | — | — | $0 | 3 | 2018-06-22 |
| China Biologic Products, Inc. (CBPO) Delisted | Director | — | $119.99 | — | $0 | 2 | 2011-01-28 |
Recent Filings
27 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-26 | NUVB | Grant (A) | — | $0 | EDGAR |
| 2026-05-26 | NUVB | Grant (A) | — | $0 | EDGAR |
| 2026-03-03 | NUVB | Grant (A) | — | $0 | EDGAR |
| 2025-10-02 | BYSI | Sell (S) | −53,655 | -$96.6K | EDGAR |
| 2025-09-24 | BYSI | Sell (S) | −70,632 | -$124.5K | EDGAR |
| 2025-09-19 | BYSI | Sell (S) | −67,602 | -$120.0K | EDGAR |
| 2025-08-20 | BYSI | Sell (S) | −328,368 | -$655.0K | EDGAR |
| 2024-09-05 | Nuvation Bio Inc. (NUVB.WS) Delisted | Mixed | +19,004,200 | $0 | EDGAR |
| 2024-06-26 | Nuvation Bio Inc. (NUVB.WS) Delisted | Buy (P) | +277,895 | $825.3K | EDGAR |
| 2024-06-25 | Nuvation Bio Inc. (NUVB.WS) Delisted | Buy (P) | +500,000 | $1.49M | EDGAR |