John F. Sheridan serves as Executive at Volcano CORP, where they oversee executive responsibilities. Since joining the company, John F. Sheridan has executed 250 insider transactions totaling $17.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 17, 2025 involved exercising options for 5,982 shares valued at $0.
John F. Sheridan currently holds 120,638 shares of Volcano CORP (VOLC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John F. Sheridan has been a net seller of VOLC stock. They have purchased $174.8K and sold $17.5M worth of shares.
John F. Sheridan's most recent insider trade was on Nov 17, 2025, when they sold 5,982 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Nov 17, 2025 | TNDM | $51.7K | Payment | 2,779 | $18.61 | Discretionary |
| Nov 17, 2025 | TNDM | $56.5K | Payment | 3,038 | $18.61 | Discretionary |
| Aug 15, 2025 | TNDM | $0 | Option Exercise | 5,471 | $N/A | Discretionary |
| Aug 15, 2025 | TNDM | $32.9K | Payment | 3,038 | $10.82 | Discretionary |
| Aug 15, 2025 | TNDM | $0 | Option Exercise | 5,982 | $N/A | Discretionary |
| Aug 15, 2025 | TNDM | $30.1K | Payment | 2,779 | $10.82 | Discretionary |
| Aug 15, 2024 | TNDM | $0 | Option Exercise | 2,236 | $N/A | Discretionary |
| Aug 15, 2024 | TNDM | $49.7K | Payment | 1,134 | $43.82 | Discretionary |
| Aug 15, 2024 | TNDM | $17.6K | Payment | 402 | $43.82 | Discretionary |
| Aug 15, 2024 | TNDM | $0 | Option Exercise | 793 | $N/A | Discretionary |
| Aug 15, 2024 | TNDM | $0 | Option Exercise | 5,472 | $N/A | Discretionary |
| Aug 15, 2024 | TNDM | $121.6K | Payment | 2,774 | $43.82 | Discretionary |
| May 28, 2024 | TNDM | $21.5K | Payment | 416 | $51.73 | Discretionary |
| May 28, 2024 | TNDM | $0 | Option Exercise | 820 | $N/A | Discretionary |
| May 15, 2024 | TNDM | $0 | Option Exercise | 792 | $N/A | Discretionary |
| May 15, 2024 | TNDM | $15.3K | Award | 978 | $15.64 | Discretionary |
| May 15, 2024 | TNDM | $19.0K | Payment | 402 | $47.37 | Discretionary |
| May 15, 2024 | TNDM | $0 | Option Exercise | 2,237 | $N/A | Discretionary |
| May 15, 2024 | TNDM | $53.7K | Payment | 1,134 | $47.37 | Discretionary |
| May 15, 2024 | TNDM | $0 | Option Exercise | 21,886 | $N/A | Discretionary |
| May 15, 2024 | TNDM | $429.8K | Payment | 9,074 | $47.37 | Discretionary |
| Feb 27, 2024 | TNDM | $8.0K | Payment | 293 | $27.34 | Discretionary |
| Feb 27, 2024 | TNDM | $0 | Option Exercise | 819 | $N/A | Discretionary |
| Feb 15, 2024 | TNDM | $22.3K | Payment | 917 | $24.29 | Discretionary |
| Feb 15, 2024 | TNDM | $0 | Option Exercise | 793 | $N/A | Discretionary |
| Feb 15, 2024 | TNDM | $7.9K | Payment | 325 | $24.29 | Discretionary |
| Feb 15, 2024 | TNDM | $0 | Option Exercise | 2,236 | $N/A | Discretionary |
| Nov 27, 2023 | TNDM | $0 | Option Exercise | 820 | $N/A | Discretionary |