SEC Insider Transactions from Wichterman Troy.

Last updated: 2026-03-23 23:02 UTC | Total transactions: 39

Troy Wichterman, CFO of BioLife Solutions Inc. ($BLFS), sold shares on the open market 13 times over the last year, totaling about $1.57 million. His most recent sale occurred on March 3, 2026. These sales rank him 3,959th among 11,678 insiders in our database by total value sold, below the average of $8.6 million per insider and 6.4 transactions. He made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer F Common Stock 3749 $19.12 216,900.0000 48,723,535 1.70% 0.01%
March 3, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 588 $20.74 220,649.0000 48,723,535 0.27% 0.00%
Feb. 24, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer F Common Stock 25525 $22.65 221,237.0000 48,723,535 10.34% 0.05%
Feb. 24, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 64866 $0.00 246,762.0000 48,723,535 35.66% 0.13%
Feb. 24, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 31150 $0.00 181,896.0000 48,723,535 20.66% 0.06%
Jan. 6, 2026 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 990 $25.59 150,746.0000 48,723,535 0.65% 0.00%
Dec. 9, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 1033 $25.13 151,736.0000 48,723,535 0.68% 0.00%
Dec. 4, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 30000 $25.72 152,769.0000 48,723,535 16.41% 0.06%
Nov. 25, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 584 $26.74 182,769.0000 48,723,535 0.32% 0.00%
Oct. 9, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 833 $27.36 183,353.0000 48,723,535 0.45% 0.00%
Sept. 11, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 1032 $26.83 184,186.0000 46,067,073 0.56% 0.00%
Aug. 26, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 590 $25.44 185,218.0000 46,067,073 0.32% 0.00%
July 7, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 877 $22.27 185,808.0000 46,067,073 0.47% 0.00%
June 10, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 1042 $23.70 186,685.0000 46,067,073 0.56% 0.00%
May 28, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 583 $22.46 187,727.0000 46,067,073 0.31% 0.00%
April 9, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 932 $20.11 188,310.0000 46,067,073 0.49% 0.00%
April 1, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 25687 $22.66 189,242.0000 46,067,073 11.95% 0.06%
March 18, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 60018 $0.00 214,929.0000 46,067,073 38.74% 0.13%
March 18, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 38102 $0.00 154,911.0000 46,067,073 32.62% 0.08%
March 11, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 4151 $25.00 116,809.0000 46,067,073 3.43% 0.01%
March 3, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 660 $25.46 120,960.0000 46,067,073 0.54% 0.00%
Feb. 12, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 159 $26.54 121,620.0000 46,067,073 0.13% 0.00%
Jan. 6, 2025 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 987 $27.02 121,779.0000 46,067,073 0.80% 0.00%
Nov. 26, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 581 $27.20 122,766.0000 46,175,345 0.47% 0.00%
Nov. 12, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 147 $26.19 123,347.0000 46,175,345 0.12% 0.00%
Oct. 30, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 894 $23.15 123,494.0000 46,175,345 0.72% 0.00%
July 11, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 828 $20.54 125,141.0000 43,719,185 0.66% 0.00%
Aug. 21, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 142 $25.61 124,999.0000 43,719,185 0.11% 0.00%
Sept. 16, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 611 $25.12 124,388.0000 43,719,185 0.49% 0.00%
May 29, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 574 $21.78 125,969.0000 43,719,185 0.45% 0.00%
May 17, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 115 $22.18 126,543.0000 43,719,185 0.09% 0.00%
April 18, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 956 $15.31 126,658.0000 43,719,185 0.75% 0.00%
March 21, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 520 $17.83 127,614.0000 43,719,185 0.41% 0.00%
March 8, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 41715 $0.00 106,538.0000 43,719,185 64.35% 0.10%
March 8, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer A Common Stock 29206 $0.00 135,744.0000 43,719,185 27.41% 0.07%
March 11, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 361 $17.42 135,383.0000 43,719,185 0.27% 0.00%
March 12, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 7249 $16.60 128,134.0000 43,719,185 5.35% 0.02%
Feb. 21, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 97 $17.35 64,823.0000 43,719,185 0.15% 0.00%
Jan. 19, 2024 BIOLIFE SOLUTIONS INC $BLFS Wichterman Troy Chief Financial Officer S Common Stock 2419 $16.76 64,920.0000 43,719,185 3.59% 0.01%