Thomson David 4

What Happened
David Thomson, EVP, General Counsel & Secretary of MannKind (MNKD), reported the acquisition of 57,525 derivative shares on February 26, 2026 via two option-based awards that partially vested. The filing shows two vested tranches: 20,000 shares and 37,525 shares, each reported with an acquisition price of $0.00 (derivative/award). This was not an open-market purchase or sale — it reflects options/awards vesting upon achievement of company performance milestones.

Key Details

• Transaction date: February 26, 2026; Form 4 filed March 2, 2026.
• Reported acquisitions: 20,000 shares @ $0.00 and 37,525 shares @ $0.00 (total 57,525 shares).
• Shares owned after transaction: Not disclosed in this Form 4.
• Footnotes: F1 — option granted May 19, 2016 partially vested upon meeting a defined performance milestone on Feb 26, 2026. F2 — option granted May 25, 2017 partially vested upon meeting a defined performance milestone on Feb 26, 2026.
• Transaction type: Derivative award/vesting (code A on Form 4). No indication of sales or 10b5-1 trading plan in this filing.

Context: These entries reflect milestone-driven partial vesting of previously granted options rather than a cash purchase or sale. Such vesting events are compensation-related and do not, by themselves, indicate a buy or sell signal by the insider.