MannKind Corporation (MNKD) Insider Trading
Over the last 3 months, MNKD insiders made 0 open-market buys and 3 sales, a net sale of -$469K (SEC Form 4). Over the last 6 months, 181 institutions increased and 141 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$469.3K
Insider trades by month Buys Sells
Dec
Jan
Mar
May
Jul
Aug
Context3-month price +11.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 10, 2026 | Binder Steven B.director | Sell | 39,051 | $4.06 |
| Jul 17, 2026 | Prentiss Christopher Bofficer: Chief Financial Officer | Tax | 11,572 | $4.09 |
| Jul 17, 2026 | Binder Steven B.director | Sell | 52,485 | $4.06 |
| Jul 17, 2026 | Tross Stuart Aofficer: Chief People & Workpl Officer | Tax | 8,253 | $4.09 |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Tax | 17,754 | $4.09 |
| Jul 17, 2026 | Tross Stuart Aofficer: Chief People & Workpl Officer | Tax | 12,331 | $4.09 |
| Jul 17, 2026 | Binder Steven B.director | Option | 93,790 | — |
| Jul 17, 2026 | Castagna Michaeldirector, officer: Chief Executive Officer | Tax | 63,996 | $4.09 |
| Jul 17, 2026 | Singh Sanjay Rofficer: EVP Technical Operations | Tax | 9,297 | $4.09 |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Tax | 16,378 | $4.09 |
| Jul 17, 2026 | Singh Sanjay Rofficer: EVP Technical Operations | Tax | 22,047 | $4.09 |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Option | 93,790 | — |
| Jul 17, 2026 | Tross Stuart Aofficer: Chief People & Workpl Officer | Tax | 33,652 | $4.09 |
| Jul 17, 2026 | Singh Sanjay Rofficer: EVP Technical Operations | Tax | 5,372 | $4.09 |
| Jul 17, 2026 | Tross Stuart Aofficer: Chief People & Workpl Officer | Tax | 11,572 | $4.09 |
| Jul 17, 2026 | Singh Sanjay Rofficer: EVP Technical Operations | Option | 70,550 | — |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Tax | 51,632 | $4.09 |
| Jul 17, 2026 | Singh Sanjay Rofficer: EVP Technical Operations | Tax | 10,079 | $4.09 |
| Jul 17, 2026 | Castagna Michaeldirector, officer: Chief Executive Officer | Tax | 58,904 | $4.09 |
| Jul 17, 2026 | Binder Steven B.director | Tax | 4,073 | $4.09 |
| Jul 17, 2026 | Binder Steven B.director | Tax | 15,688 | $4.09 |
| Jul 17, 2026 | Binder Steven B.director | Tax | 4,634 | $4.09 |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Tax | 12,662 | $4.09 |
| Jul 17, 2026 | Marasco Dominicofficer: Pres, Endocrine Business Unit | Tax | 3,623 | $4.09 |
| Jul 17, 2026 | Prentiss Christopher Bofficer: Chief Financial Officer | Tax | 10,675 | $4.09 |
| Jul 17, 2026 | Castagna Michaeldirector, officer: Chief Executive Officer | Option | 350,260 | — |
| Jul 17, 2026 | Tross Stuart Aofficer: Chief People & Workpl Officer | Option | 93,790 | — |
| Jul 17, 2026 | Thomson Davidofficer: EVP Genl Counsel & Secretary | Sell | 24,109 | $4.05 |
| Jul 17, 2026 | Castagna Michaeldirector, officer: Chief Executive Officer | Tax | 47,481 | $4.09 |
| Jul 17, 2026 | Castagna Michaeldirector, officer: Chief Executive Officer | Tax | 192,819 | $4.09 |
Source: MNKD SEC Form 4 filings, latest Aug 10, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MNKD positions over the last 6 months (SEC Form 13F).
Increased
181
New positions
98
Reduced
141
Sold out
38
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 32.1M | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 28.6M | May 13, 2026 |
| STATE STREET CORP | Increased | 18.7M | May 15, 2026 |
| Rubric Capital Management LP | Increased | 18.0M | Aug 14, 2026 |
| STATE STREET CORP | Reduced | 16.2M | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 13.2M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12.9M | May 15, 2026 |
| UBS GROUP AG | Increased | 8.3M | May 5, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.9M | Aug 12, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 7.8M | Aug 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.5M | May 15, 2026 |
| Frazier Life Sciences Management, L.P. | Increased | 6.6M | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 6.4M | May 15, 2026 |
| Deep Track Capital, LP | New Position | 6.0M | Aug 14, 2026 |
| FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | Increased | 5.9M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.