Greef Roderick De

Companies

• BIOLIFE SOLUTIONS INCChief executive officer Nov 1, 2023 to now¹
• BIOLIFE SOLUTIONS INCPresident Nov 18, 2021 to now²
• BIOLIFE SOLUTIONS INCBoard member Apr 18, 2006 to now³
• BIOLIFE SOLUTIONS INCChief operating officer Jan 8, 2020 to Nov 30, 2022⁴
• BIOLIFE SOLUTIONS INCChief financial officer Mar 7, 2016 to Oct 27, 2021⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BSBIOLIFE SOLUTIONS INC BLFS728,196 shares⁶$28.1M at $38.61Sep 18, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 18, 2026Shares withheld for tax 2,775 shares at $36.69 of BIOLIFE SOLUTIONS INC⁶
• Jun 18, 2026Shares withheld for tax 2,775 shares at $26.04 of BIOLIFE SOLUTIONS INC⁷
• Mar 19, 2026Shares withheld for tax 11,101 shares at $19.12 of BIOLIFE SOLUTIONS INC⁸
• Feb 24, 2026Shares withheld for tax 86,186 shares at $22.65 of BIOLIFE SOLUTIONS INC⁹
• Feb 24, 2026Granted 219,024 shares of BIOLIFE SOLUTIONS INC⁹
• Feb 24, 2026Shares withheld for tax 67,010 shares at $22.65 of BIOLIFE SOLUTIONS INC⁹
• Feb 24, 2026Granted 170,291 shares of BIOLIFE SOLUTIONS INC⁹
• Feb 24, 2026Granted 118,730 shares of BIOLIFE SOLUTIONS INC⁹
• Nov 13, 2025Sold 31,165 shares at $25.33 of BIOLIFE SOLUTIONS INC¹⁰
• Nov 12, 2025Sold 33,418 shares at $25.88 of BIOLIFE SOLUTIONS INC¹⁰
• Nov 11, 2025Sold 35,417 shares at $26.15 of BIOLIFE SOLUTIONS INC¹⁰
• Oct 22, 2025Sold 37,795 shares at $27.30 of BIOLIFE SOLUTIONS INC¹¹
• Mar 18, 2025Granted 112,835 shares of BIOLIFE SOLUTIONS INC¹²
• Oct 31, 2024Sold 46,896 shares at $23.43 of BIOLIFE SOLUTIONS INC¹³
• Mar 12, 2024Sold 7,249 shares at $16.60 of BIOLIFE SOLUTIONS INC¹⁴
• Mar 8, 2024Granted 29,206 shares of BIOLIFE SOLUTIONS INC¹⁴
• Jan 19, 2024Sold 2,642 shares at $16.76 of BIOLIFE SOLUTIONS INC¹⁵
• Oct 19, 2023Granted 394,856 shares of BIOLIFE SOLUTIONS INC¹⁶
• Oct 1, 2023Granted 362 shares of BIOLIFE SOLUTIONS INC¹⁷
• Mar 31, 2023Exercised options 4,740 shares of BIOLIFE SOLUTIONS INC¹⁸
• Jan 19, 2023Sold 3,801 shares at $23.19 of BIOLIFE SOLUTIONS INC¹⁹
• Jan 19, 2023Sold 3,801 shares at $23.19 of BIOLIFE SOLUTIONS INC²⁰
• Jan 4, 2023Granted 9,647 shares of BIOLIFE SOLUTIONS INC²¹
• Nov 30, 2022Sold 33,905 shares at $20.59 of BIOLIFE SOLUTIONS INC²²
• Nov 29, 2022Sold 1,500 shares at $20.20 of BIOLIFE SOLUTIONS INC²²