David Aaron Lehman serves as Executive at THORATEC CORP, where they oversee executive responsibilities. Since joining the company, David Aaron Lehman has executed 131 insider transactions totaling $7.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 1, 2025 involved selling 3,401 shares valued at $5.3K.
David Aaron Lehman currently holds 252,992 shares of THORATEC CORP (THOR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Aaron Lehman has been a net seller of THOR stock. They have purchased $0 and sold $7.7M worth of shares.
David Aaron Lehman's most recent insider trade was on Dec 1, 2025, when they sold 3,401 shares at $1.57 per share.
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| $1.57 |
| Discretionary |
| Dec 1, 2025 | LUNG | $5.8K | Sale | 3,725 | $1.57 | Discretionary |
| Dec 1, 2025 | LUNG | $3.4K | Sale | 2,176 | $1.57 | Discretionary |
| Sep 2, 2025 | LUNG | $1.5K | Sale | 929 | $1.60 | Discretionary |
| Sep 2, 2025 | LUNG | $5.2K | Sale | 3,231 | $1.60 | Discretionary |
| Sep 2, 2025 | LUNG | $3.3K | Sale | 2,068 | $1.60 | Discretionary |
| Sep 2, 2025 | LUNG | $5.7K | Sale | 3,541 | $1.60 | Discretionary |
| Sep 3, 2024 | LUNG | $11.3K | Sale | 1,688 | $6.69 | Discretionary |
| Sep 3, 2024 | LUNG | $19.3K | Sale | 2,890 | $6.69 | Discretionary |
| Sep 3, 2024 | LUNG | $2.9K | Sale | 429 | $6.71 | Discretionary |
| Sep 3, 2024 | LUNG | $5.1K | Sale | 758 | $6.69 | Discretionary |
| Jun 3, 2024 | LUNG | $2.9K | Sale | 409 | $6.97 | Discretionary |
| Jun 3, 2024 | LUNG | $11.2K | Sale | 1,603 | $6.97 | Discretionary |
| Jun 3, 2024 | LUNG | $19.1K | Sale | 2,744 | $6.97 | Discretionary |
| Jun 3, 2024 | LUNG | $5.0K | Sale | 719 | $6.97 | Discretionary |
| Mar 1, 2024 | LUNG | $4.2K | Sale | 459 | $9.06 | Discretionary |
| Mar 1, 2024 | LUNG | $7.3K | Sale | 809 | $9.06 | Discretionary |
| Mar 1, 2024 | LUNG | $0 | Award | 34,500 | $N/A | Discretionary |
| Mar 1, 2024 | LUNG | $27.9K | Sale | 3,083 | $9.06 | Discretionary |
| Mar 1, 2024 | LUNG | $0 | Award | 69,100 | $N/A | Discretionary |
| Dec 1, 2023 | LUNG | $7.3K | Sale | 707 | $10.34 | Discretionary |
| Dec 1, 2023 | LUNG | $27.9K | Sale | 2,700 | $10.34 | Discretionary |
| Dec 1, 2023 | LUNG | $4.2K | Sale | 402 | $10.33 | Discretionary |
| Sep 1, 2023 | LUNG | $7.0K | Sale | 701 | $10.01 | Discretionary |
| Sep 1, 2023 | LUNG | $4.0K | Sale | 398 | $10.01 | Discretionary |
| Sep 1, 2023 | LUNG | $26.8K | Sale | 2,673 | $10.01 | Discretionary |
| Jun 1, 2023 | LUNG | $4.6K | Sale | 399 | $11.48 | Discretionary |
| Jun 1, 2023 | LUNG | $30.7K | Sale | 2,676 | $11.48 | Discretionary |
| Jun 1, 2023 | LUNG | $8.0K | Sale | 701 | $11.48 | Discretionary |