Insider Trading for ISPR
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
No insider transactions in the past 3 months.
Key Insider Activity: Apr 3, 2023 to Mar 19, 2026
Pryzbyla Steven P.
ExecutiveChief Legal Officer
+390.7K shares
8 transactions
Wang Michael Xue
ExecutiveCorporate Officer
+446.5K shares
14 transactions
Fargis John
DirectorDirector
+66.1K shares
6 transactions
Cox Brent
DirectorDirector
+77.7K shares
5 transactions
Burch Christopher Robert
DirectorDirector
+73.6K shares
5 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | Fargis John | DDirector | Award/Grant | 35.5K | $0.00 | $0.00 | 74.6K | View |
| Mar 19, 2026 | Cox Brent | DDirector | Award/Grant | 35.5K | $0.00 | $0.00 | 86.3K | View |
| Mar 19, 2026 | Burch Christopher Robert | DDirector | Award/Grant | 35.5K | $0.00 | $0.00 | 77.2K | View |
Mar 2, 2026 | Locked | — | — | — | — | — | — | — |
Mar 2, 2026 | Locked | — | — | — | — | — | — | — |
Mar 2, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 26, 2026 | Locked | — | — | — | — | — | — | — |
Feb 26, 2026 | Locked | — | — | — | — | — | — | — |
Feb 25, 2026 | Locked | — | — | — | — | — | — | — |
Feb 25, 2026 | Locked | — | — | — | — | — | — | — |
Feb 25, 2026 | Locked | — | — | — | — | — | — | — |
Feb 24, 2026 | Locked | — | — | — | — | — | — | — |
Feb 24, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 13, 2026 | Locked | — | — | — | — | — | — | — |
Feb 12, 2026 | Locked | — | — | — | — | — | — | — |
Nov 20, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Jul 10, 2025 | Locked | — | — | — | — | — | — | — |
Jul 10, 2025 | Locked | — | — | — | — | — | — | — |
Jul 10, 2025 | Locked | — | — | — | — | — | — | — |
May 13, 2025 | Locked | — | — | — | — | — | — | — |
Mar 17, 2025 | Locked | — | — | — | — | — | — | — |
Mar 13, 2025 | Locked | — | — | — | — | — | — | — |
Mar 12, 2025 | Locked | — | — | — | — | — | — | — |
Jan 7, 2025 | Locked | — | — | — | — | — | — | — |
Jan 7, 2025 | Locked | — | — | — | — | — | — | — |
Jan 7, 2025 | Locked | — | — | — | — | — | — | — |
Oct 17, 2024 | Locked | — | — | — | — | — | — | — |
Oct 17, 2024 | Locked | — | — | — | — | — | — | — |
Oct 17, 2024 | Locked | — | — | — | — | — | — | — |
Oct 1, 2024 | Locked | — | — | — | — | — | — | — |
Oct 1, 2024 | Locked | — | — | — | — | — | — | — |
Oct 1, 2024 | Locked | — | — | — | — | — | — | — |
Jul 2, 2024 | Locked | — | — | — | — | — | — | — |
Jul 2, 2024 | Locked | — | — | — | — | — | — | — |
Jul 2, 2024 | Locked | — | — | — | — | — | — | — |
Apr 3, 2023 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of ISPR stock, which is typically a strong positive signal.

