MNKD Insider Trading Activity and SEC Form 4 Filings
MNKD insider trading summary
Over the past 12 months, insiders at Mannkind Corp (MNKD) reported 14 sales worth $3.3M by 5 insiders and 1 open-market purchase worth $259K by 1 insider on SEC Form 4. Net insider selling was $3.0M.
Latest MNKD insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Sep 25, 2026 | Steven B. Binder | Insider | Sell | $128K (39,051 @ $3.29) |
| Sep 10, 2026 | Steven B. Binder | Insider | Sell | $128K (33,558 @ $3.81) |
| Aug 7, 2026 | Steven B. Binder | Insider | Sell | $159K (39,051 @ $4.06) |
| Jul 17, 2026 | David Thomson | EVP Genl Counsel & Secretary | Sell | $98K (24,109 @ $4.05) |
| Jul 17, 2026 | Steven B. Binder | Insider | Sell | $213K (52,485 @ $4.06) |
| May 12, 2026 | David Thomson | EVP Genl Counsel & Secretary | Sell | $10K (3,033 @ $3.29) |
| May 12, 2026 | Steven B. Binder | Insider | Sell | $56K (16,940 @ $3.29) |
| Mar 10, 2026 | Michael Castagna | Chief Executive Officer | Buy | $259K (100,000 @ $2.59) |
| Jan 8, 2026 | Stuart A Tross | Chief People & Workpl Officer | Sell | $298K (47,006 @ $6.33) |
| Dec 17, 2025 | Michael Castagna | Chief Executive Officer | Sell | $395K (65,804 @ $6.01) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.