Karen A. Foster serves as Executive at BIOLIFE SOLUTIONS INC, where they oversee executive responsibilities. Since joining the company, Karen A. Foster has executed 115 insider transactions totaling $8.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 6, 2026 involved selling 335 shares valued at $8.6K.
Karen A. Foster currently holds 191,984 shares of BIOLIFE SOLUTIONS INC (BLFS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Karen A. Foster has been a net seller of BLFS stock. They have purchased $0 and sold $8.3M worth of shares.
Karen A. Foster's most recent insider trade was on Jan 6, 2026, when they sold 335 shares at $25.59 per share.
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| $25.13 |
| Discretionary |
| Nov 25, 2025 | BLFS | $11.1K | Sale | 415 | $26.74 | Discretionary |
| Oct 9, 2025 | BLFS | $11.5K | Sale | 419 | $27.36 | Discretionary |
| Sep 11, 2025 | BLFS | $13.7K | Sale | 511 | $26.83 | Discretionary |
| Aug 26, 2025 | BLFS | $10.5K | Sale | 413 | $25.44 | Discretionary |
| Jul 7, 2025 | BLFS | $8.9K | Sale | 400 | $22.27 | Discretionary |
| Sep 16, 2024 | BLFS | $6.7K | Sale | 267 | $25.12 | Planned |
| Aug 21, 2024 | BLFS | $2.5K | Sale | 96 | $25.61 | Planned |
| Jul 18, 2024 | BLFS | $5.4K | Sale | 240 | $22.50 | Planned |
| May 29, 2024 | BLFS | $8.9K | Sale | 408 | $21.78 | Planned |
| May 17, 2024 | BLFS | $1.9K | Sale | 85 | $22.18 | Planned |
| Apr 18, 2024 | BLFS | $7.4K | Sale | 481 | $15.31 | Planned |
| Mar 27, 2024 | BLFS | $7.1K | Sale | 395 | $17.99 | Planned |
| Mar 12, 2024 | BLFS | $85.9K | Sale | 5,177 | $16.60 | Planned |
| Mar 11, 2024 | BLFS | $5.6K | Sale | 319 | $17.42 | Planned |
| Mar 8, 2024 | BLFS | $0 | Award | 20,651 | $N/A | Planned |
| Mar 8, 2024 | BLFS | $0 | Award | 20,445 | $N/A | Planned |
| Feb 21, 2024 | BLFS | $1.5K | Sale | 87 | $17.35 | Planned |
| Jan 19, 2024 | BLFS | $20.1K | Sale | 1,198 | $16.76 | Planned |
| Jan 2, 2024 | BLFS | $10.1K | Sale | 601 | $16.75 | Planned |
| Dec 17, 2023 | BLFS | $0 | Award | 228 | $N/A | Discretionary |
| Dec 3, 2023 | BLFS | $0 | Award | 258 | $N/A | Discretionary |
| Dec 1, 2023 | BLFS | $5.8K | Sale | 466 | $12.37 | Planned |
| Nov 19, 2023 | BLFS | $0 | Award | 267 | $N/A | Planned |
| Nov 13, 2023 | BLFS | $1.2K | Sale | 114 | $10.77 | Planned |
| Nov 5, 2023 | BLFS | $0 | Award | 299 | $N/A | Discretionary |
| Oct 22, 2023 | BLFS | $0 | Award | 335 | $N/A | Discretionary |
| Oct 8, 2023 | BLFS | $0 | Award | 252 | $N/A | Discretionary |
| Sep 28, 2023 | BLFS | $8.0K | Sale | 568 | $14.16 | Planned |