Steven R. Mitchell serves as Executive at ASPEN AEROGELS INC, where they oversee executive responsibilities. Since joining the company, Steven R. Mitchell has executed 51 insider transactions totaling $47.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 5, 2026 involved receiving (via award) 396 shares valued at $0.
Steven R. Mitchell currently holds 85,612 shares of ASPEN AEROGELS INC (ASPN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Steven R. Mitchell has been a net seller of ASPN stock. They have purchased $2.6M and sold $45.0M worth of shares.
Steven R. Mitchell's most recent insider trade was on Jan 5, 2026, when they sold 396 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jul 5, 2025 | ALKT | $0 | Award | 301 | $N/A | Discretionary |
| Jul 5, 2024 | ALKT | $0 | Award | 311 | $N/A | Discretionary |
| Jun 11, 2024 | STEP | $1.2M | Sale | 27,500 | $44.34 | Discretionary |
| May 30, 2024 | ASPN | $0 | Award | 1,898 | $N/A | Discretionary |
| May 15, 2024 | ALKT | $0 | Award | 6,853 | $N/A | Discretionary |
| Apr 5, 2024 | ALKT | $0 | Award | 354 | $N/A | Discretionary |
| Jan 5, 2024 | ALKT | $0 | Award | 367 | $N/A | Discretionary |
| Oct 5, 2023 | ALKT | $0 | Award | 485 | $N/A | Discretionary |
| Sep 7, 2023 | ASPN | $49.0K | Purchase | 7,541 | $6.50 | Discretionary |
| Sep 5, 2023 | ASPN | $308.5K | Purchase | 50,000 | $6.17 | Discretionary |
| Jul 28, 2023 | ALKT | $0 | Other | 10,086,450 | $N/A | Discretionary |
| Jul 5, 2023 | ALKT | $0 | Award | 552 | $N/A | Discretionary |
| Jun 1, 2023 | ASPN | $0 | Award | 7,488 | $N/A | Discretionary |
| May 17, 2023 | ALKT | $0 | Award | 13,699 | $N/A | Discretionary |
| Apr 5, 2023 | ALKT | $0 | Award | 631 | $N/A | Discretionary |
| Jan 5, 2023 | ALKT | $0 | Award | 636 | $N/A | Discretionary |
| Oct 5, 2022 | ALKT | $0 | Award | 562 | $N/A | Discretionary |
| Jul 5, 2022 | ALKT | $0 | Award | 642 | $N/A | Discretionary |
| Jun 2, 2022 | ASPN | $0 | Award | 2,699 | $N/A | Discretionary |
| May 18, 2022 | ALKT | $0 | Award | 14,179 | $N/A | Discretionary |
| Apr 5, 2022 | ALKT | $0 | Award | 590 | $N/A | Discretionary |
| Jan 5, 2022 | ALKT | $0 | Award | 379 | $N/A | Discretionary |
| Oct 5, 2021 | ALKT | $0 | Award | 314 | $N/A | Discretionary |
| Sep 29, 2021 | STEP | $342.5K | Sale | 7,865 | $43.55 | Planned |
| Sep 29, 2021 | STEP | $342.5K | Sale | 7,865 | $43.55 | Discretionary |
| Sep 28, 2021 | STEP | $769.3K | Sale | 17,845 | $43.11 | Planned |
| Sep 28, 2021 | STEP | $769.3K | Sale | 17,845 | $43.11 | Discretionary |
| Sep 27, 2021 | STEP | $415.3K | Sale | 9,290 | $44.70 | Planned |