Foster Karen A. - Insider Non-Derivative Transactions at BIOLIFE SOLUTIONS INC (BLFS) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 9, 2025, Foster Karen A.'s relationship to BIOLIFE SOLUTIONS INC (BLFS) is Officer (Chief Quality and Operations), and currently has 192,319 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other BLFS insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Foster Karen A. - Insider Non-Derivative Transactions of BLFS Common Stock
Foster Karen A. - Insider Non-Derivative Transactions at BLFS
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 10, 2025 | Sell -- (Common Stock) | 519 | 25.13 | 192319 |
| Nov 26, 2025 | Sell -- (Common Stock) | 415 | 26.74 | 192838 |
| Oct 10, 2025 | Sell -- (Common Stock) | 419 | 27.36 | 193253 |
| Sep 12, 2025 | Sell -- (Common Stock) | 511 | 26.83 | 193672 |
| Aug 27, 2025 | Sell -- (Common Stock) | 413 | 25.44 | 194183 |
| Jul 8, 2025 | Sell -- (Common Stock) | 400 | 22.27 | 194596 |
| Jun 11, 2025 | Sell -- (Common Stock) | 320 | 23.7 | 194996 |
| May 29, 2025 | Sell -- (Common Stock) | 251 | 22.46 | 195316 |
| Apr 10, 2025 | Sell -- (Common Stock) | 286 | 20.11 | 195567 |
| Apr 2, 2025 | Sell -- (Common Stock) | 7869 | 22.66 | 195853 |
| Mar 19, 2025 | Acquisition -- (Common Stock) | 19099 | 0 | 174011 |
| Mar 19, 2025 | Acquisition -- (Common Stock) | 29711 | 0 | 203722 |
| Mar 12, 2025 | Sell -- (Common Stock) | 1331 | 25 | 154912 |
| Mar 4, 2025 | Sell -- (Common Stock) | 324 | 25.46 | 156243 |
| Feb 13, 2025 | Sell -- (Common Stock) | 78 | 26.54 | 156567 |
| Jan 7, 2025 | Sell -- (Common Stock) | 328 | 27.02 | 156645 |
| Nov 27, 2024 | Sell -- (Common Stock) | 252 | 27.2 | 156973 |
| Nov 13, 2024 | Sell -- (Common Stock) | 66 | 26.34 | 157225 |
| Oct 31, 2024 | Sell -- (Common Stock) | 277 | 23.15 | 157291 |
| Sep 17, 2024 | Sell -- (Common Stock) | 267 | 25.12 | 157568 |
| Aug 22, 2024 | Sell -- (Common Stock) | 96 | 25.61 | 157835 |
| Jul 19, 2024 | Sell -- (Common Stock) | 240 | 22.5 | 157931 |
| May 30, 2024 | Sell -- (Common Stock) | 408 | 21.78 | 158171 |
| May 18, 2024 | Sell -- (Common Stock) | 85 | 22.18 | 158579 |
| Apr 19, 2024 | Sell -- (Common Stock) | 481 | 15.31 | 158664 |
| Mar 28, 2024 | Sell -- (Common Stock) | 395 | 17.99 | 159145 |
| Mar 13, 2024 | Sell -- (Common Stock) | 5177 | 16.6 | 159540 |
| Mar 12, 2024 | Sell -- (Common Stock) | 319 | 17.42 | 164717 |
| Mar 9, 2024 | Acquisition -- (Common Stock) | 20651 | 0 | 144591 |
| Mar 9, 2024 | Acquisition -- (Common Stock) | 20445 | 0 | 165036 |
| Feb 22, 2024 | Sell -- (Common Stock) | 87 | 17.35 | 123940 |
| Jan 20, 2024 | Sell -- (Common Stock) | 1198 | 16.76 | 124027 |
| Jan 3, 2024 | Sell -- (Common Stock) | 601 | 16.75 | 125225 |
| Dec 18, 2023 | Acquisition -- (Common Stock) | 228 | 0 | 125568 |
| Dec 4, 2023 | Acquisition -- (Common Stock) | 258 | 0 | 125826 |
| Dec 2, 2023 | Sell -- (Common Stock) | 466 | 12.37 | 125340 |
| Nov 20, 2023 | Acquisition -- (Common Stock) | 267 | 0 | 125806 |
| Nov 14, 2023 | Sell -- (Common Stock) | 114 | 10.77 | 125539 |
| Nov 6, 2023 | Acquisition -- (Common Stock) | 299 | 0 | 125653 |
| Oct 23, 2023 | Acquisition -- (Common Stock) | 335 | 0 | 125354 |
| Oct 9, 2023 | Acquisition -- (Common Stock) | 252 | 0 | 125019 |
| Sep 29, 2023 | Sell -- (Common Stock) | 568 | 14.16 | 124767 |
| Sep 25, 2023 | Acquisition -- (Common Stock) | 260 | 0 | 125335 |
| Sep 11, 2023 | Acquisition -- (Common Stock) | 330 | 0 | 125075 |
| Aug 28, 2023 | Acquisition -- (Common Stock) | 403 | 0 | 124745 |
| Aug 26, 2023 | Sell -- (Common Stock) | 410 | 10.99 | 124342 |
| Aug 15, 2023 | Sell -- (Common Stock) | 156 | 12.38 | 124752 |
| Jun 28, 2023 | Sell -- (Common Stock) | 590 | 22.91 | 124908 |
| Jun 1, 2023 | Sell -- (Common Stock) | 392 | 23.21 | 125498 |
| May 16, 2023 | Sell -- (Common Stock) | 106 | 18.71 | 125890 |
| Apr 7, 2023 | Sell -- (Common Stock) | 1101 | 20.03 | 121839 |
| Apr 7, 2023 | Sell -- (Common Stock) | 1101 | 20.03 | 125996 |
| Apr 1, 2023 | M -- (Common Stock) | 4157 | 0 | 127097 |
| Mar 30, 2023 | Sell -- (Common Stock) | 390 | 20.62 | 122940 |
| Mar 8, 2023 | Sell -- (Common Stock) | 175 | 22.95 | 123330 |
| Mar 2, 2023 | Sell -- (Common Stock) | 1203 | 22.75 | 123505 |
| Feb 10, 2023 | Sell -- (Common Stock) | 81 | 24.6 | 124708 |
| Jan 4, 2023 | Acquisition -- (Common Stock) | 16978 | 0 | 124789 |
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