- Corporate Officers - C
- Cui Xiangmin
Insider Trading History of Cui Xiangmin
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Cui Xiangmin since 2021.
This trader's CIK number is 1487815.
At the time of last reporting, Cui Xiangmin was the Officer of Beyondspring Inc.. (stock ticker symbol BYSI).
Also see all insider trading activities at Beyondspring Inc..
Note that in the past
Cui Xiangmin also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Cg Oncology, Inc. (CGON) by Cui Xiangmin
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | CGON | 400,000 | $7,600,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Nuvation Bio Inc. (NUVB) by Cui Xiangmin
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | NUVB | 777,895 | $2,317,732 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Aardvark Therapeutics, Inc. (AARD) by Cui Xiangmin
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | AARD | 1,250,000 | $20,000,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Beyondspring Inc. (BYSI) by Cui Xiangmin
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | BYSI | 0 | $0 | 468,753 | $1,345,018 | 0 | $0 |
Yearly summary of insider trading at Alpine Immune Sciences, Inc. (ALPN) by Cui Xiangmin
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | ALPN | 1,542,553 | $14,499,998 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Cui Xiangmin:
1. Cg Oncology, Inc. (CGON)
2. Nuvation Bio Inc. (NUVB)
3. Aardvark Therapeutics, Inc. (AARD)
4. Beyondspring Inc. (BYSI)
5. Alpine Immune Sciences, Inc. (ALPN)
Table 1. Insider trading of Cg Oncology, Inc. (CGON) by Cui Xiangmin
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-01-29 | CGON | Buy | 400,000 | 19.00 | 7,600,000 |
Table 2. Insider trading of Nuvation Bio Inc. (NUVB) by Cui Xiangmin
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-06-25 | NUVB | Buy | 277,895 | 2.97 | 825,348 |
| 2024-06-24 | NUVB | Buy | 336,874 | 2.98 | 1,003,884 |
| 2024-06-20 | NUVB | Buy | 87,715 | 2.99 | 262,267 |
| 2024-06-21 | NUVB | Buy | 75,411 | 3.00 | 226,233 |
Table 3. Insider trading of Aardvark Therapeutics, Inc. (AARD) by Cui Xiangmin
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-14 | AARD | Buy | 1,250,000 | 16.00 | 20,000,000 |
Table 4. Insider trading of Beyondspring Inc. (BYSI) by Cui Xiangmin
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-09-03 | BYSI | Sale | 1,270 | 1.81 | 2,298 |
| 2025-08-29 | BYSI | Sale | 800 | 1.74 | 1,392 |
| 2025-09-02 | BYSI | Sale | 2,800 | 1.78 | 4,984 |
| 2025-08-28 | BYSI | Sale | 809 | 1.81 | 1,464 |
| 2025-08-27 | BYSI | Sale | 1,300 | 1.78 | 2,314 |
| 2025-08-26 | BYSI | Sale | 2,000 | 1.79 | 3,580 |
| 2025-08-21 | BYSI | Sale | 3,034 | 1.79 | 5,430 |
| 2025-08-22 | BYSI | Sale | 2,376 | 1.75 | 4,158 |
| 2025-08-25 | BYSI | Sale | 300 | 1.77 | 531 |
| 2025-08-20 | BYSI | Sale | 3,456 | 1.74 | 6,013 |
| 2025-08-19 | BYSI | Sale | 3,604 | 1.77 | 6,379 |
| 2025-08-18 | BYSI | Sale | 47,668 | 2.03 | 96,766 |
| 2025-08-14 | BYSI | Sale | 2,000 | 2.00 | 4,000 |
| 2025-08-15 | BYSI | Sale | 2,900 | 2.00 | 5,800 |
| 2025-07-14 | BYSI | Sale | 801 | 2.29 | 1,834 |
| 2025-06-23 | BYSI | Sale | 1,700 | 3.09 | 5,253 |
| 2025-07-15 | BYSI | Sale | 2,152 | 2.28 | 4,906 |
| 2025-07-16 | BYSI | Sale | 5,396 | 2.24 | 12,087 |
| 2025-07-17 | BYSI | Sale | 20,572 | 2.19 | 45,052 |
| 2025-07-18 | BYSI | Sale | 900 | 2.20 | 1,980 |
| 2025-08-04 | BYSI | Sale | 2,196 | 2.18 | 4,787 |
| 2025-06-18 | BYSI | Sale | 59,253 | 3.17 | 187,832 |
| 2025-06-20 | BYSI | Sale | 285,217 | 3.13 | 894,155 |
| 2025-07-11 | BYSI | Sale | 246 | 2.29 | 563 |
| 2025-07-09 | BYSI | Sale | 252 | 2.27 | 572 |
| 2025-06-17 | BYSI | Sale | 5,000 | 3.23 | 16,150 |
| 2025-07-10 | BYSI | Sale | 768 | 2.28 | 1,751 |
| 2025-07-08 | BYSI | Sale | 9,059 | 2.29 | 20,745 |
| 2025-07-02 | BYSI | Sale | 324 | 2.42 | 784 |
| 2025-07-01 | BYSI | Sale | 600 | 2.43 | 1,458 |
Table 5. Insider trading of Alpine Immune Sciences, Inc. (ALPN) by Cui Xiangmin
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-09-17 | ALPN | Buy | 1,542,553 | 9.40 | 14,499,998 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Cui Xiangmin
(Officer of Beyondspring Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.