Jeffrey G. Black serves as Executive at VERENIUM CORP, where they oversee executive responsibilities. Since joining the company, Jeffrey G. Black has executed 46 insider transactions totaling $1.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 2, 2025 involved selling 20,466 shares valued at $200.4K.
Jeffrey G. Black currently holds 269,026 shares of VERENIUM CORP (VRNM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jeffrey G. Black has been a net seller of VRNM stock. They have purchased $673.3K and sold $877.0K worth of shares.
Jeffrey G. Black's most recent insider trade was on Sep 2, 2025, when they sold 20,466 shares at $9.79 per share.
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| $N/A |
| Discretionary |
| Aug 20, 2024 | LAB | $12.8K | Payment | 6,690 | $1.91 | Discretionary |
| Aug 15, 2024 | LAB | $0 | Option Exercise | 13,157 | $N/A | Discretionary |
| Aug 15, 2024 | LAB | $7.3K | Payment | 4,695 | $1.55 | Discretionary |
| May 20, 2024 | LAB | $0 | Award | 300,000 | $N/A | Discretionary |
| May 15, 2024 | LAB | $0 | Option Exercise | 52,631 | $N/A | Discretionary |
| May 15, 2024 | LAB | $47.7K | Payment | 18,779 | $2.54 | Discretionary |
| May 19, 2023 | LAB | $97.3K | Purchase | 42,492 | $2.29 | Discretionary |
| May 18, 2023 | LAB | $96.6K | Purchase | 43,492 | $2.22 | Discretionary |
| Apr 4, 2023 | APEN | $0 | Disposition | 335,330 | $N/A | Discretionary |
| Nov 4, 2022 | APEN | $97.3K | Payment | 15,060 | $6.46 | Discretionary |
| Aug 5, 2022 | APEN | $40.0K | Payment | 6,190 | $6.46 | Discretionary |
| Jun 14, 2022 | APEN | $0 | Award | 88,900 | $N/A | Discretionary |
| Mar 1, 2022 | APEN | $62.0K | Purchase | 10,000 | $6.20 | Discretionary |
| Feb 28, 2022 | APEN | $84.9K | Purchase | 15,000 | $5.66 | Discretionary |
| Feb 25, 2022 | APEN | $82.2K | Purchase | 15,000 | $5.48 | Discretionary |
| Aug 11, 2021 | APEN | $218.8K | Purchase | 25,000 | $8.75 | Discretionary |
| Aug 9, 2021 | APEN | $0 | Award | 120,000 | $N/A | Discretionary |
| Aug 9, 2021 | APEN | $0 | Award | 80,000 | $N/A | Discretionary |
| Mar 9, 2021 | ATEC | $116.8K | Sale | 7,000 | $16.69 | Discretionary |
| Feb 16, 2021 | ATEC | $407.0K | Sale | 25,000 | $16.28 | Discretionary |
| Aug 11, 2020 | ATEC | $32.1K | Sale | 5,000 | $6.42 | Discretionary |
| Aug 4, 2020 | ATEC | $44.9K | Sale | 8,929 | $5.03 | Discretionary |
| May 14, 2020 | ATEC | $96.5K | Payment | 23,774 | $4.06 | Discretionary |
| Apr 22, 2020 | ATEC | $0 | Award | 179,178 | $N/A | Discretionary |
| Apr 6, 2020 | ATEC | $23.6K | Award | 5,996 | $3.93 | Discretionary |
| Mar 10, 2020 | ATEC | $33.3K | Sale | 6,563 | $5.08 | Discretionary |
| Aug 2, 2019 | ATEC | $42.4K | Sale | 8,929 | $4.75 | Discretionary |
| May 13, 2019 | ATEC | $0 | Award | 275,000 | $N/A | Discretionary |