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Updated: May 19, 2026
Karen A. Foster
Estimated Net Worth
$13.2 Million22.6%vs Last Year
Last Updated: May 19, 2026 11:44 PM ESTTransaction Summary
Total Transactions110
Buy-Sell Ratio0.00
Buy Transactions0
Sell Transactions83
Transaction Volume
Total Volume-$10.32M
Net Volume$10.32M
Buy Volume$0.00
Sell Volume-$10.32M
Trade Analysis
AVG Trade Size-$96.83K
Largest Trade$0.00
Most Active MonthMar
Most Active Year2023
Trading Sentiment
OverallBullish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone
Net Worth & Trading Activity Over Time
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Monthly Trading Pattern
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Past Insider Trading and Trends
Karen A. Foster has an estimated net worth of $13.2 Million. This is based on reported shares in BIOLIFE SOLUTIONS INC.
2021 was Karen A. Foster's most active year for acquiring shares with 15 total transactions. Karen A. Foster's most active month to acquire stocks was the month of February. 2021 was Karen A. Foster's most active year for disposing of shares, totalling 33 transactions. Karen A. Foster's most active month to dispose stocks was the month of February. 2021 saw Karen A. Foster paying a total of $267,849.72 for 206,624 shares, this is the most they've acquired in one year. In 2026 Karen A. Foster cashed out on 115,673 shares for a total of $2,360,847.80, their largest year based on trade value.
Holdings & Transactions
BLFSbiolife solutions inc
Chief Quality and Operations OfficerUpdated: Mar 31, 2026VIEW QUOTE
| Form Type | Δ Own, % | Traded Shares | Price | Size, $ | Filing Date | Own, % | Type | Scheduled | Trade Dates | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|
From 4 | -0.02 | 2.58K | $19.17 | -$49.40K | Mar 31, 2026 | 108.76K | Sale | Scheduled | Mar 23 | View |
From 4 | -0.02 | 1.91K | $19.12 | -$36.46K | Mar 23, 2026 | 111.34K | Tax | — | Mar 19 | View |
From 4 | -0.46 | 97.42K | $20.15 | -$1.96M | Mar 09, 2026 | 113.24K | Sale | — | Mar 05 - 09 | View |
From 4 | -0.00 | 418.00 | $20.74 | -$8.67K | Mar 05, 2026 | 210.67K | Sale | Scheduled | Mar 03 | View |
From 4 | 0.10 | 19.10K | $22.65 | -$294.74K | Feb 26, 2026 | 211.08K | Grant | — | Feb 24 | View |
From 4 | -0.00 | 335.00 | $25.59 | -$8.57K | Jan 08, 2026 | 191.98K | Sale | Scheduled | Jan 06 | View |
From 4 | -0.00 | 519.00 | $25.13 | -$13.04K | Dec 17, 2025 | 192.32K | Sale | Scheduled | Dec 09 | View |
From 4 | -0.00 | 415.00 | $26.74 | -$11.10K | Nov 28, 2025 | 192.84K | Sale | Scheduled | Nov 25 | View |
From 4 | -0.00 | 419.00 | $27.36 | -$11.46K | Oct 14, 2025 | 193.25K | Sale | Scheduled | Oct 09 | View |
From 4 | -0.00 | 511.00 | $26.83 | -$13.71K | Sep 15, 2025 | 193.67K | Sale | Scheduled | Sep 11 | View |
From 4 | -0.00 | 413.00 | $25.44 | -$10.51K | Aug 28, 2025 | 194.18K | Sale | Scheduled | Aug 26 | View |
From 4 | -0.00 | 400.00 | $22.27 | -$8.91K | Jul 09, 2025 | 194.60K | Sale | Scheduled | Jul 07 | View |
From 4 | -0.00 | 320.00 | $23.70 | -$7.58K | Jun 12, 2025 | 195.00K | Sale | Scheduled | Jun 10 | View |
From 4 | -0.00 | 251.00 | $22.46 | -$5.64K | May 30, 2025 | 195.32K | Sale | Scheduled | May 28 | View |
From 4 | -0.00 | 286.00 | $20.11 | -$5.75K | Apr 11, 2025 | 195.57K | Sale | Scheduled | Apr 09 | View |
From 4 | -0.04 | 7.87K | $22.66 | -$178.31K | Apr 03, 2025 | 195.85K | Sale | Scheduled | Apr 01 | View |
From 4 | 0.32 | 48.81K | — | — | Mar 20, 2025 | 203.72K | Grant | — | Mar 18 | View |
From 4 | -0.01 | 1.33K | $25.00 | -$33.27K | Mar 13, 2025 | 154.91K | Sale | Scheduled | Mar 11 | View |
From 4 | -0.00 | 324.00 | $25.46 | -$8.25K | Mar 05, 2025 | 156.24K | Sale | Scheduled | Mar 03 | View |
From 4 | -0.00 | 78.00 | $26.54 | -$2.07K | Feb 14, 2025 | 156.57K | Sale | Scheduled | Feb 12 | View |
From 4 | -0.00 | 328.00 | $27.02 | -$8.86K | Jan 08, 2025 | 156.65K | Sale | Scheduled | Jan 06 | View |
From 4 | -0.00 | 252.00 | $27.20 | -$6.85K | Nov 29, 2024 | 156.97K | Sale | Scheduled | Nov 26 | View |
From 4 | -0.00 | 66.00 | $26.34 | -$1.74K | Nov 14, 2024 | 157.23K | Sale | Scheduled | Nov 12 | View |
From 4 | -0.00 | 277.00 | $23.15 | -$6.41K | Nov 01, 2024 | 157.29K | Sale | Scheduled | Oct 30 | View |
From 4 | -0.00 | 603.00 | $24.16 | -$14.57K | Sep 18, 2024 | 157.57K | Sale | Scheduled | Jul 18 - 16 | View |
From 4 | -0.00 | 408.00 | $21.78 | -$8.89K | May 31, 2024 | 158.17K | Sale | Scheduled | May 29 | View |
From 4 | -0.00 | 85.00 | $22.18 | -$1.89K | May 21, 2024 | 158.58K | Sale | Scheduled | May 17 | View |
From 4 | -0.00 | 481.00 | $15.31 | -$7.36K | Apr 23, 2024 | 158.66K | Sale | Scheduled | Apr 18 | View |
From 4 | -0.00 | 395.00 | $17.99 | -$7.11K | Mar 29, 2024 | 159.15K | Sale | Scheduled | Mar 27 | View |
From 4 | 0.29 | 35.60K | $16.65 | -$91.50K | Mar 12, 2024 | 159.54K | Grant | Scheduled | Mar 08 - 12 | View |
From 4 | -0.00 | 87.00 | $17.35 | -$1.51K | Feb 23, 2024 | 123.94K | Sale | Scheduled | Feb 21 | View |
From 4 | -0.01 | 1.20K | $16.76 | -$20.08K | Jan 23, 2024 | 124.03K | Sale | Scheduled | Jan 19 | View |
From 4 | -0.00 | 601.00 | $16.75 | -$10.07K | Jan 04, 2024 | 125.23K | Sale | Scheduled | Jan 02 | View |
From 4 | 0.00 | 258.00 | — | — | Dec 21, 2023 | 125.83K | Grant | — | Dec 03 | View |
From 4 | 0.00 | 228.00 | — | — | Dec 19, 2023 | 125.57K | Grant | — | Dec 17 | View |
From 4 | -0.00 | 199.00 | $12.37 | -$5.76K | Dec 04, 2023 | 125.34K | Sale | Scheduled | Nov 19 - 01 | View |
From 4 | -0.00 | 114.00 | $10.77 | -$1.23K | Nov 15, 2023 | 125.54K | Sale | Scheduled | Nov 13 | View |
From 4 | 0.00 | 299.00 | — | — | Nov 13, 2023 | 125.65K | Grant | — | Nov 05 | View |
From 4 | 0.00 | 335.00 | — | — | Oct 24, 2023 | 125.35K | Grant | — | Oct 22 | View |
From 4 | 0.00 | 252.00 | — | — | Oct 10, 2023 | 125.02K | Grant | — | Oct 08 | View |
From 4 | -0.00 | 308.00 | $14.16 | -$8.04K | Oct 02, 2023 | 124.77K | Sale | — | Sep 24 - 28 | View |
From 4 | 0.00 | 330.00 | — | — | Sep 12, 2023 | 125.08K | Grant | — | Sep 10 | View |
From 4 | 0.00 | 403.00 | — | — | Aug 30, 2023 | 124.75K | Grant | — | Aug 27 | View |
From 4 | -0.00 | 410.00 | $10.99 | -$4.51K | Aug 29, 2023 | 124.34K | Sale | — | Aug 25 | View |
From 4 | -0.00 | 156.00 | $12.38 | -$1.93K | Aug 16, 2023 | 124.75K | Sale | — | Aug 14 | View |
From 4 | -0.00 | 590.00 | $22.91 | -$13.52K | Jun 29, 2023 | 124.91K | Sale | — | Jun 27 | View |
From 4 | -0.00 | 392.00 | $23.21 | -$9.10K | Jun 02, 2023 | 125.50K | Sale | — | May 31 | View |
From 4 | -0.00 | 106.00 | $18.71 | -$1.98K | May 17, 2023 | 125.89K | Sale | — | May 15 | View |
From 4/A | -0.01 | 1.10K | $20.03 | -$22.05K | May 16, 2023 | 126.00K | Sale | — | Mar 31 - 06 | View |
From 4 | -0.01 | 1.10K | $20.03 | -$22.05K | Apr 10, 2023 | 121.84K | Sale | — | Apr 06 | View |
From 4 | -0.00 | 390.00 | $20.62 | -$8.04K | Mar 31, 2023 | 122.94K | Sale | — | Mar 29 | View |
From 4 | -0.00 | 175.00 | $22.95 | -$4.02K | Mar 09, 2023 | 123.33K | Sale | — | Mar 07 | View |
From 4 | -0.01 | 1.20K | $22.75 | -$27.37K | Mar 03, 2023 | 123.51K | Sale | — | Mar 01 | View |
From 4 | -0.00 | 81.00 | $24.60 | -$1.99K | Feb 13, 2023 | 124.71K | Sale | — | Feb 09 | View |
From 4 | 0.31 | 33.96K | — | — | Jan 10, 2023 | 141.77K | Grant | — | Jan 03 | View |
From 4 | -0.01 | 605.00 | $16.90 | -$10.22K | Dec 30, 2022 | 107.81K | Sale | — | Dec 28 | View |
From 4 | -0.00 | 307.00 | $19.93 | -$6.12K | Nov 30, 2022 | 108.42K | Sale | — | Nov 29 | View |
From 4 | -0.00 | 91.00 | $23.16 | -$2.11K | Nov 14, 2022 | 108.72K | Sale | — | Nov 10 | View |
From 4 | -0.01 | 559.00 | $23.02 | -$12.87K | Sep 30, 2022 | 108.81K | Sale | — | Sep 29 | View |
From 4 | -0.00 | 299.00 | $23.44 | -$7.01K | Sep 01, 2022 | 109.37K | Sale | — | Aug 31 | View |
From 4 | 0.00 | 278.00 | — | — | Aug 16, 2022 | 109.67K | Grant | — | Aug 14 | View |
From 4 | -0.00 | 95.00 | $23.17 | -$2.20K | Aug 11, 2022 | 109.39K | Sale | — | Aug 10 | View |
From 4 | 0.00 | 355.00 | — | — | Aug 02, 2022 | 109.49K | Grant | — | Jul 29 | View |
From 4 | 0.00 | 430.00 | — | — | Jul 19, 2022 | 109.13K | Grant | — | Jul 17 | View |
From 4 | 0.00 | 468.00 | — | — | Jul 06, 2022 | 108.70K | Grant | — | Jul 03 | View |
From 4 | -0.01 | 598.00 | $14.86 | -$8.89K | Jun 30, 2022 | 108.24K | Sale | — | Jun 28 | View |
From 4 | 0.00 | 497.00 | — | — | Jun 21, 2022 | 108.83K | Grant | — | Jun 19 | View |
From 4 | 0.00 | 498.00 | — | — | Jun 07, 2022 | 108.34K | Grant | — | Jun 05 | View |
From 4 | -0.00 | 174.00 | $14.53 | -$2.53K | Jun 01, 2022 | 107.84K | Sale | — | May 27 | View |
From 4 | 0.00 | 533.00 | — | — | May 24, 2022 | 108.01K | Grant | — | May 22 | View |
From 4 | -0.00 | 58.00 | $12.32 | -$714.56 | May 17, 2022 | 107.48K | Sale | — | May 13 | View |
From 4 | -0.13 | 16.41K | $17.59 | -$288.70K | Apr 19, 2022 | 107.54K | Sale | — | Apr 18 | View |
From 4 | — | — | — | — | Apr 13, 2022 | 123.95K | Options | — | Apr 12 | View |
From 4 | -0.01 | 547.00 | $22.24 | -$12.17K | Mar 31, 2022 | 85.12K | Sale | — | Mar 29 | View |
From 4 | 0.47 | 32.71K | — | — | Mar 09, 2022 | 102.24K | Grant | — | Feb 24 | View |
From 4 | -0.00 | 221.00 | $23.78 | -$5.26K | Mar 03, 2022 | 69.31K | Sale | — | Mar 01 | View |
From 4 | -0.00 | 293.00 | $29.38 | -$8.61K | Feb 14, 2022 | 69.53K | Sale | — | Feb 10 | View |
From 4 | -0.01 | 625.00 | $39.37 | -$24.61K | Dec 30, 2021 | 69.82K | Sale | — | Dec 29 | View |
From 4 | -0.00 | 315.00 | $37.59 | -$11.84K | Dec 02, 2021 | 70.45K | Sale | — | Nov 30 | View |
From 4 | -0.19 | 16.33K | $23.92 | -$727.59K | Nov 24, 2021 | 70.76K | Sale | Scheduled | Nov 22 | View |
From 4 | -0.16 | 16.33K | $23.05 | -$699.17K | Oct 27, 2021 | 87.09K | Sale | Scheduled | Oct 25 | View |
From 4 | -0.02 | 1.08K | $39.97 | -$43.25K | Oct 18, 2021 | 70.76K | Sale | — | Oct 14 | View |
From 4 | -0.01 | 610.00 | $43.12 | -$26.30K | Sep 30, 2021 | 71.84K | Sale | — | Sep 28 | View |
From 4 | -0.13 | 16.33K | $23.15 | -$702.60K | Sep 29, 2021 | 105.12K | Sale | Scheduled | Sep 27 | View |
From 4 | -0.00 | 325.00 | $57.26 | -$18.61K | Aug 30, 2021 | 72.45K | Sale | — | Aug 26 | View |
From 4 | -0.12 | 16.33K | $24.09 | -$733.31K | Aug 25, 2021 | 121.77K | Sale | Scheduled | Aug 23 | View |
From 4 | -0.11 | 16.33K | $23.44 | -$712.12K | Jul 28, 2021 | 138.11K | Sale | Scheduled | Jul 26 | View |
From 4 | -0.01 | 607.00 | $43.75 | -$26.56K | Jul 01, 2021 | 72.78K | Sale | — | Jun 29 | View |
From 4 | -0.10 | 16.33K | $22.22 | -$672.06K | Jun 22, 2021 | 155.05K | Sale | Scheduled | Jun 21 | View |
From 4 | -0.00 | 264.00 | $33.87 | -$8.94K | Jun 02, 2021 | 73.38K | Sale | — | May 28 | View |
From 4 | -0.09 | 16.33K | $16.54 | -$486.69K | May 26, 2021 | 171.64K | Sale | Scheduled | May 24 | View |
From 4 | -0.08 | 16.33K | $17.11 | -$505.31K | Apr 21, 2021 | 187.97K | Sale | Scheduled | Apr 19 | View |
From 4 | 0.04 | 2.85K | — | — | Apr 14, 2021 | 73.65K | Grant | — | Apr 12 | View |
From 4 | 0.08 | 5.38K | $36.53 | -$124.71K | Apr 05, 2021 | 70.79K | Sell-Options | — | Apr 01 | View |
From 4 | -0.04 | 2.56K | $35.01 | -$89.70K | Mar 30, 2021 | 65.41K | Sale | — | Mar 26 | View |
From 4 | -0.08 | 16.33K | $19.60 | -$586.65K | Mar 24, 2021 | 198.63K | Sale | Scheduled | Mar 22 | View |
From 4 | -0.00 | 284.00 | $39.57 | -$11.24K | Mar 02, 2021 | 67.97K | Sale | — | Feb 26 | View |
From 4 | -0.07 | 16.33K | $20.65 | -$621.02K | Feb 24, 2021 | 215.25K | Sale | Scheduled | Feb 22 | View |
From 4 | 0.43 | 21.67K | $40.99 | -$408.99K | Feb 19, 2021 | 72.41K | Sell-Options | — | Feb 08 - 19 | View |
From 4 | -0.00 | 166.00 | $35.49 | -$5.89K | Dec 03, 2020 | 50.74K | Sale | — | Dec 01 | View |
From 4 | -0.02 | 977.00 | $28.63 | -$27.97K | Oct 01, 2020 | 50.91K | Sale | — | Sep 29 | View |
From 4 | -0.00 | 179.00 | $20.48 | -$3.67K | Aug 28, 2020 | 51.89K | Sale | — | Aug 26 | View |
From 4 | -0.00 | 170.00 | $16.87 | -$2.87K | Jun 01, 2020 | 52.06K | Sale | — | May 28 | View |
From 4 | 2.51 | 59.60K | — | — | Mar 27, 2020 | 83.30K | Grant | — | Mar 25 | View |
From 4 | -0.04 | 884.00 | $15.02 | -$13.28K | Feb 28, 2020 | 23.70K | Sale | — | Feb 26 | View |
From 4 | 1.81 | 23.34K | — | — | Feb 27, 2019 | 36.25K | Grant | — | Feb 25 | View |
From 4 | — | 163.32K | — | — | Mar 09, 2018 | 163.32K | Grant | — | Mar 08 | View |
From 4 | — | 12.92K | — | — | Jan 03, 2018 | 12.92K | Grant | — | Jan 01 | View |
From 4 | — | 100.00K | — | — | Aug 26, 2016 | 100.00K | Grant | — | Apr 13 | View |
From 3 | — | — | — | — | Aug 26, 2016 | — | — | — | — | View |
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