Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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| No transactions found | ||||||||||
John Kenneweg currently holds 57,784 shares of 908 Devices Inc. (MASS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Kenneweg has been a net seller of MASS stock. They have purchased $0 and sold $3.1M worth of shares.
John Kenneweg's most recent insider trade was on Sep 17, 2026, when they sold 5,257 shares at $0.00 per share.
John Kenneweg serves as Executive at 908 Devices Inc. (MASS). They have executed 35 insider transactions totaling $3.1M over their tenure at the company.
John Kenneweg holds the position of Executive at 908 Devices Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 5 years and currently hold a stake valued at $0.
John Kenneweg has shown a selling trading pattern, with $0 in total purchases and $3.1M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by John Kenneweg was on Mar 18, 2022, when they sold $398.8K worth of MASS shares. This transaction involved 19,881 shares at $20.06 per share.
John Kenneweg currently owns 57,784 shares of 908 Devices Inc. (MASS), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of John Kenneweg's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. John Kenneweg has 35 Form 4 filings on record as an insider at 908 Devices Inc..
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