SEC Insider Transactions from Leonhart Michele M..

Last updated: 2026-03-14 10:24 UTC | Total transactions: 6

Leonhart Michele M. has filed 6 insider transactions across 1 company since June 2024.

Most recent transaction: a option exercise of 6485 shares of 908 Devices Inc. ($MASS) on June 25, 2025.

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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
June 25, 2025 908 Devices Inc. $MASS Leonhart Michele M. Not found M Common Stock 6485 $0.00 6,485.0000 35,386,483 9999.99% 0.02%
June 25, 2025 908 Devices Inc. $MASS Leonhart Michele M. Not found M Restricted Stock Units 6485 $0.00 12,971.0000 35,386,483 33.33% 0.02%
June 12, 2025 908 Devices Inc. $MASS Leonhart Michele M. Not found A Restricted Stock Units 14083 $0.00 14,083.0000 35,386,483 9999.99% 0.04%
June 12, 2025 908 Devices Inc. $MASS Leonhart Michele M. Not found A Stock Option (option to buy) 6516 $0.00 6,516.0000 35,386,483 9999.99% 0.02%
June 25, 2024 908 Devices Inc. $MASS Leonhart Michele M. Not found A Restricted Stock Unit 19456 $0.00 19,456.0000 32,710,894 9999.99% 0.06%
June 25, 2024 908 Devices Inc. $MASS Leonhart Michele M. Not found A Stock Option (option to buy) 26810 $0.00 26,810.0000 32,710,894 9999.99% 0.08%