John T. Dahldorf serves as Executive at Volcano CORP, where they oversee executive responsibilities. Since joining the company, John T. Dahldorf has executed 153 insider transactions totaling $11.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 23, 2021 involved receiving (via award) 19,586 shares valued at $0.
John T. Dahldorf currently holds 19,586 shares of Volcano CORP (VOLC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John T. Dahldorf has been a net seller of VOLC stock. They have purchased $0 and sold $11.9M worth of shares.
John T. Dahldorf's most recent insider trade was on Dec 23, 2021, when they sold 19,586 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Feb 17, 2015 | VOLC | $1.1M | Disposition | 60,064 | $18.00 | Discretionary |
| Jan 2, 2015 | VOLC | $22.4K | Sale | 1,250 | $17.88 | Discretionary |
| Jan 2, 2015 | VOLC | $14.0K | Sale | 782 | $17.88 | Discretionary |
| Jan 2, 2015 | VOLC | $340 | Sale | 19 | $17.88 | Discretionary |
| Dec 31, 2014 | VOLC | $0 | Option Exercise | 2,067 | $N/A | Discretionary |
| Dec 31, 2014 | VOLC | $0 | Option Exercise | 3,304 | $N/A | Discretionary |
| Dec 31, 2014 | VOLC | $0 | Option Exercise | 46 | $N/A | Discretionary |
| Apr 15, 2014 | VOLC | $42.1K | Sale | 2,176 | $19.36 | Discretionary |
| Apr 14, 2014 | VOLC | $0 | Option Exercise | 5,750 | $N/A | Discretionary |
| Mar 28, 2014 | VOLC | $592 | Sale | 30 | $19.72 | Discretionary |
| Mar 27, 2014 | VOLC | $0 | Option Exercise | 75 | $N/A | Discretionary |
| Feb 28, 2014 | VOLC | $27.0K | Sale | 1,244 | $21.72 | Discretionary |
| Feb 27, 2014 | VOLC | $0 | Option Exercise | 3,263 | $N/A | Discretionary |
| Feb 20, 2014 | VOLC | $44.9K | Sale | 2,054 | $21.86 | Discretionary |
| Feb 19, 2014 | VOLC | $0 | Option Exercise | 5,389 | $N/A | Discretionary |
| Feb 14, 2014 | VOLC | $26.8K | Sale | 1,254 | $21.36 | Discretionary |
| Feb 14, 2014 | VOLC | $406 | Sale | 19 | $21.36 | Discretionary |
| Feb 12, 2014 | VOLC | $0 | Option Exercise | 3,305 | $N/A | Discretionary |
| Feb 12, 2014 | VOLC | $0 | Option Exercise | 46 | $N/A | Discretionary |
| Feb 6, 2014 | VOLC | $28.7K | Sale | 1,393 | $20.61 | Discretionary |
| Feb 5, 2014 | VOLC | $0 | Option Exercise | 3,585 | $N/A | Discretionary |
| Jan 6, 2014 | VOLC | $486.0K | Option Exercise | 37,500 | $12.96 | Discretionary |
| Jan 6, 2014 | VOLC | $822.8K | Sale | 37,500 | $21.94 | Discretionary |
| Jan 6, 2014 | VOLC | $217.7K | Sale | 9,923 | $21.94 | Discretionary |
| Jan 2, 2014 | VOLC | $17.0K | Sale | 784 | $21.68 | Discretionary |
| Dec 31, 2013 | VOLC | $0 | Option Exercise | 2,066 | $N/A | Discretionary |
| Apr 15, 2013 | VOLC | $0 | Option Exercise | 5,750 | $N/A | Discretionary |
| Apr 15, 2013 | VOLC | $46.9K | Disposition | 2,186 | $21.47 | Discretionary |