Hatsopoulos John 4

What Happened

• John Hatsopoulos, a director of Tecogen, exercised stock options (transaction code M) on March 20, 2026. The filing shows he acquired 50,000 shares at $0.88 per share (total $44,000) and on the same date disposed of 50,000 shares at $0.88 per share (total $44,000).
• This is an option exercise (derivative transaction), not an open-market purchase or a grant-based award. The simultaneous acquisition and disposition pattern is commonly seen in cashless exercises or sell-to-cover transactions, though the filing itself does not state the reason.

Key Details

• Transaction date: 2026-03-20; Price per share: $0.88.
• Acquired: 50,000 shares for $44,000 (exercise of stock options).
• Disposed: 50,000 shares for $44,000 (reported as a derivative disposition on the same date).
• Footnotes: F1—Shares acquired pursuant to exercise of Stock Option Agreement dated 9/20/2023; F2—Exercise of Stock Option Agreement dated 9/20/2023.
• Shares owned after the transaction: not specified in the provided filing details.
• Filing date: 2026-03-23 — the Form 4 was filed within the standard reporting window (timely).

Context

• For retail investors: exercises show an insider converting options into shares. When some shares are sold the same day, that often reflects a cashless exercise or sell-to-cover taxes/fees rather than a directional bet on the stock.
• This report involves a director (not a >10% owner disclosure). The filing is informational; it does not explain the insider’s motivation.