Insider Trading for VSTM
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)
Acquisitions: 360.0K shares
Dispositions: 25.8K shares
Net: 334.2K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Dec 16, 2024 to Jun 22, 2026
Kauffman Michael
ExecutivePresident
+212.3K shares
4 transactions
Paterson Dan
ExecutiveChief Executive Officer
+10.1K shares
35 transactions
Calkins Daniel
ExecutiveCorporate Officer
-8.2K shares
18 transactions
Tollefson Karin Anna
DirectorDirector
+56.8K shares
3 transactions
Rowinsky Eric K
DirectorDirector
+56.8K shares
3 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 22, 2026 | Paterson Dan | EChief Executive Officer | Sale | 20.9K | $4.18 | $87,240.78 | 591.2K | View |
| Jun 22, 2026 | Calkins Daniel | ECorporate Officer | Sale | 4.0K | $4.18 | $16,853.76 | 117.3K | View |
| Jun 22, 2026 | Calkins Daniel | ECorporate Officer | Sale | 57 | $4.13 | $235.41 | 117.2K | View |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 21, 2026 | Locked | — | — | — | — | — | — | — |
May 4, 2026 | Locked | — | — | — | — | — | — | — |
Mar 20, 2026 | Locked | — | — | — | — | — | — | — |
Feb 4, 2026 | Locked | — | — | — | — | — | — | — |
Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
Jan 21, 2026 | Locked | — | — | — | — | — | — | — |
Jan 12, 2026 | Locked | — | — | — | — | — | — | — |
Jan 12, 2026 | Locked | — | — | — | — | — | — | — |
Jan 6, 2026 | Locked | — | — | — | — | — | — | — |
Dec 24, 2025 | Locked | — | — | — | — | — | — | — |
Dec 16, 2025 | Locked | — | — | — | — | — | — | — |
Dec 16, 2025 | Locked | — | — | — | — | — | — | — |
Dec 16, 2025 | Locked | — | — | — | — | — | — | — |
Dec 11, 2025 | Locked | — | — | — | — | — | — | — |
Dec 10, 2025 | Locked | — | — | — | — | — | — | — |
Dec 9, 2025 | Locked | — | — | — | — | — | — | — |
Dec 8, 2025 | Locked | — | — | — | — | — | — | — |
Dec 5, 2025 | Locked | — | — | — | — | — | — | — |
Dec 4, 2025 | Locked | — | — | — | — | — | — | — |
Dec 3, 2025 | Locked | — | — | — | — | — | — | — |
Dec 2, 2025 | Locked | — | — | — | — | — | — | — |
Dec 1, 2025 | Locked | — | — | — | — | — | — | — |
Nov 28, 2025 | Locked | — | — | — | — | — | — | — |
Nov 26, 2025 | Locked | — | — | — | — | — | — | — |
Nov 25, 2025 | Locked | — | — | — | — | — | — | — |
Nov 24, 2025 | Locked | — | — | — | — | — | — | — |
Nov 21, 2025 | Locked | — | — | — | — | — | — | — |
Nov 21, 2025 | Locked | — | — | — | — | — | — | — |
Nov 21, 2025 | Locked | — | — | — | — | — | — | — |
Nov 21, 2025 | Locked | — | — | — | — | — | — | — |
Nov 21, 2025 | Locked | — | — | — | — | — | — | — |
Nov 3, 2025 | Locked | — | — | — | — | — | — | — |
Nov 3, 2025 | Locked | — | — | — | — | — | — | — |
Oct 9, 2025 | Locked | — | — | — | — | — | — | — |
Sep 24, 2025 | Locked | — | — | — | — | — | — | — |
Sep 22, 2025 | Locked | — | — | — | — | — | — | — |
Sep 16, 2025 | Locked | — | — | — | — | — | — | — |
Sep 16, 2025 | Locked | — | — | — | — | — | — | — |
Sep 16, 2025 | Locked | — | — | — | — | — | — | — |
Aug 6, 2025 | Locked | — | — | — | — | — | — | — |
Jun 23, 2025 | Locked | — | — | — | — | — | — | — |
Jun 20, 2025 | Locked | — | — | — | — | — | — | — |
Jun 20, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 22, 2025 | Locked | — | — | — | — | — | — | — |
May 20, 2025 | Locked | — | — | — | — | — | — | — |
May 20, 2025 | Locked | — | — | — | — | — | — | — |
May 16, 2025 | Locked | — | — | — | — | — | — | — |
May 16, 2025 | Locked | — | — | — | — | — | — | — |
May 16, 2025 | Locked | — | — | — | — | — | — | — |
May 5, 2025 | Locked | — | — | — | — | — | — | — |
Apr 1, 2025 | Locked | — | — | — | — | — | — | — |
Mar 24, 2025 | Locked | — | — | — | — | — | — | — |
Mar 20, 2025 | Locked | — | — | — | — | — | — | — |
Mar 17, 2025 | Locked | — | — | — | — | — | — | — |
Mar 17, 2025 | Locked | — | — | — | — | — | — | — |
Mar 17, 2025 | Locked | — | — | — | — | — | — | — |
Feb 4, 2025 | Locked | — | — | — | — | — | — | — |
Jan 14, 2025 | Locked | — | — | — | — | — | — | — |
Jan 13, 2025 | Locked | — | — | — | — | — | — | — |
Jan 10, 2025 | Locked | — | — | — | — | — | — | — |
Jan 10, 2025 | Locked | — | — | — | — | — | — | — |
Jan 10, 2025 | Locked | — | — | — | — | — | — | — |
Jan 6, 2025 | Locked | — | — | — | — | — | — | — |
Dec 24, 2024 | Locked | — | — | — | — | — | — | — |
Dec 20, 2024 | Locked | — | — | — | — | — | — | — |
Dec 19, 2024 | Locked | — | — | — | — | — | — | — |
Dec 19, 2024 | Locked | — | — | — | — | — | — | — |
Dec 16, 2024 | Locked | — | — | — | — | — | — | — |
Dec 16, 2024 | 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 VSTM stock, which is typically a strong positive signal.