Tiffany Olson

Companies

• MIMEDX GROUP, INC.Board member Mar 18, 2024 to now¹
• CASTLE BIOSCIENCES INCBoard member May 12, 2021 to now²
• ThermoGenesis Holdings, Inc.Board member Aug 11, 2008 to Jan 13, 2009³

Holdings

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

Shares held

• CBCASTLE BIOSCIENCES INC CSTL39,573 shares⁴$1.3M at $32.28May 22, 2026
• MMIMEDX GROUP, INC. MDXG108,510 shares⁵$473.1K at $4.36Jun 10, 2026

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

Recent filings

• Jun 10, 2026Granted 50,913 shares at $3.64 of MIMEDX GROUP, INC.⁵
• May 22, 2026Exercised options 13,667 shares of CASTLE BIOSCIENCES INC⁴
• Jun 18, 2025Granted 28,609 shares at $6.47 of MIMEDX GROUP, INC.⁶
• May 21, 2025Exercised options 8,673 shares of CASTLE BIOSCIENCES INC⁷
• Jul 1, 2024Exercised options 830 shares of CASTLE BIOSCIENCES INC⁸
• Jun 5, 2024Granted 28,988 shares at $7.26 of MIMEDX GROUP, INC.⁹
• May 25, 2024Exercised options 8,636 shares of CASTLE BIOSCIENCES INC¹⁰
• May 10, 2024Exercised options 487 shares of CASTLE BIOSCIENCES INC¹¹
• Jun 2, 2023Exercised options 3,825 shares of CASTLE BIOSCIENCES INC¹²
• May 10, 2023Exercised options 487 shares of CASTLE BIOSCIENCES INC¹³
• Nov 29, 2022Bought 1,162 shares at $21.50 of CASTLE BIOSCIENCES INC¹⁴
• May 12, 2022Bought 220 shares at $18.77 of CASTLE BIOSCIENCES INC¹⁵
• May 12, 2022Bought 1,100 shares at $18.76 of CASTLE BIOSCIENCES INC¹⁵
• May 10, 2022Exercised options 486 shares of CASTLE BIOSCIENCES INC¹⁶