Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Xiangmin Cui currently holds 74,813 shares of ALPINE IMMUNE SCIENCES, INC. (ALPN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Xiangmin Cui has been a net buyer of ALPN stock. They have purchased $21.5M and sold $1.2M worth of shares.
Xiangmin Cui's most recent insider trade was on Feb 27, 2026, when they sold 74,813 shares at $0.00 per share.
Xiangmin Cui serves as Executive at ALPINE IMMUNE SCIENCES, INC. (ALPN). They have executed 54 insider transactions totaling $22.7M over their tenure at the company.
Xiangmin Cui holds the position of Executive at ALPINE IMMUNE SCIENCES, INC., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 8 years and currently hold a stake valued at $0.
Xiangmin Cui has shown a buying trading pattern, with $21.5M in total purchases and $1.2M in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Xiangmin Cui was on Jan 18, 2024, when they sold $15.7M worth of ALPN shares. This transaction involved 1,234,636 shares at $12.74 per share.
Xiangmin Cui currently owns 74,813 shares of ALPINE IMMUNE SCIENCES, INC. (ALPN), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Xiangmin Cui's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Xiangmin Cui has 54 Form 4 filings on record as an insider at ALPINE IMMUNE SCIENCES, INC..
Set alerts for Xiangmin Cui and 40,000+ other insiders.