Insider Trading for CTMX
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: 413.0K shares
Dispositions: 1.6K shares
Net: 411.4K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Mar 26, 2024 to Jun 17, 2026
McCarthy Sean A.
ExecutiveChief Executive Officer
+3.4M shares
18 transactions
Lester Rachael
ExecutiveCorporate Officer
+770.0K shares
5 transactions
Ogden Christopher
ExecutiveCorporate Officer
+1.0M shares
20 transactions
Chu Yu-Waye
ExecutiveCorporate Officer
+947.4K shares
10 transactions
BELVIN MARCIA
ExecutiveVice President
+880.4K shares
19 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 17, 2026 | Su Zhen | DDirector | Award/Grant | 59.0K | $2.96 | $174,640.00 | 59.0K | View |
| Jun 17, 2026 | Young Matthew P. | DDirector | Award/Grant | 59.0K | $2.96 | $174,640.00 | 59.0K | View |
| Jun 17, 2026 | Mohindru Mani | DDirector | Award/Grant | 59.0K | $2.96 | $174,640.00 | 59.0K | View |
Jun 17, 2026 | Locked | — | — | — | — | — | — | — |
Jun 17, 2026 | Locked | — | — | — | — | — | — | — |
Jun 17, 2026 | Locked | — | — | — | — | — | — | — |
Jun 17, 2026 | Locked | — | — | — | — | — | — | — |
Jun 15, 2026 | Locked | — | — | — | — | — | — | — |
Mar 17, 2026 | Locked | — | — | — | — | — | — | — |
Mar 17, 2026 | Locked | — | — | — | — | — | — | — |
Mar 17, 2026 | Locked | — | — | — | — | — | — | — |
Mar 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 2, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 2, 2026 | Locked | — | — | — | — | — | — | — |
Nov 6, 2025 | Locked | — | — | — | — | — | — | — |
Oct 20, 2025 | Locked | — | — | — | — | — | — | — |
Oct 20, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
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Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Sep 26, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
Jun 16, 2025 | Locked | — | — | — | — | — | — | — |
Jun 13, 2025 | Locked | — | — | — | — | — | — | — |
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Jun 11, 2025 | Locked | — | — | — | — | — | — | — |
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Jun 11, 2025 | Locked | — | — | — | — | — | — | — |
Jun 11, 2025 | Locked | — | — | — | — | — | — | — |
Mar 18, 2025 | Locked | — | — | — | — | — | — | — |
Mar 18, 2025 | Locked | — | — | — | — | — | — | — |
Mar 18, 2025 | Locked | — | — | — | — | — | — | — |
Mar 18, 2025 | Locked | — | — | — | — | — | — | — |
Mar 18, 2025 | Locked | — | — | — | — | — | — | — |
Feb 4, 2025 | Locked | — | — | — | — | — | — | — |
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Feb 4, 2025 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
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Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Aug 20, 2024 | Locked | — | — | — | — | — | — | — |
Jun 12, 2024 | Locked | — | — | — | — | — | — | — |
Jun 12, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
May 15, 2024 | Locked | — | — | — | — | — | — | — |
Mar 26, 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 CTMX stock, which is typically a strong positive signal.