SEC Form 4 · Updated Daily
MNKD
— MANNKIND CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Mann Group, LLC | 10%+ Owner | 17,930,450 | 2016-02-25 | — |
| Alfred E. Mann Living Trust | 10%+ Owner | 17,930,450 | 2016-02-25 | — |
| Castagna Michael | Director · Officer | 2,796,979 | 2026-07-15 | M |
| Tross Stuart A | Officer | 1,123,950 | 2026-07-15 | M |
| Edstrom Hakan | Director · Officer | 1,114,340 | 2015-08-27 | A |
| MANN ALFRED E | Officer | 1,018,340 | 2015-08-16 | F |
| Thomson David | Officer | 920,089 | 2026-07-15 | M |
| Kocinsky Joseph | Officer | 745,233 | 2022-08-27 | F |
| Binder Steven B. | Director | 713,258 | 2026-09-25 | S |
| Galindo Alejandro | Officer | 576,690 | 2022-02-28 | A |
| Singh Sanjay R | Officer | 525,761 | 2026-07-15 | M |
| BLANK BURKHARD | Officer | 460,791 | 2025-07-15 | F |
| Sabella Lauren M | Officer | 349,841 | 2025-07-15 | F |
| Marasco Dominic | Officer | 343,398 | 2026-07-15 | F |
| Prentiss Christopher B | Officer | 329,343 | 2026-07-15 | F |
| Ahuja Ajay | Officer | 318,200 | 2025-11-11 | A |
| KRESA KENT | Director | 274,541 | 2018-06-14 | A |
| Kay Sabrina | Director | 265,600 | 2024-02-04 | A |
| MUNDKUR CHRISTINE | Director | 254,493 | 2022-02-28 | P |
| Grancio Jennifer | Director | 244,815 | 2022-02-28 | P |
| HOOPER ANTHONY C | Director | 236,153 | 2026-03-01 | A |
| ANDERSON RICHARD L | Officer | 206,592 | 2008-09-26 | F |
| Alinaya Rosabel Realica | Officer | 167,119 | 2020-08-27 | A |
| Richardson Peter C | Officer | 133,611 | 2012-03-03 | F |
| CONSIGLIO RONALD J | Director | 132,342 | 2026-05-20 | A |
| MacCallum David | Director | 114,790 | 2015-05-21 | A |
| Martens Juergen | Officer | 106,539 | 2015-08-27 | A |
| NORDHOFF HENRY L | Director | 103,426 | 2015-05-21 | A |
| Adreveno Linda A | Officer | 92,200 | 2016-02-18 | A |
| McCauley Patrick | Officer | 83,972 | 2020-02-20 | F |
| PFEFFER MATTHEW J | Director | 81,961 | 2017-08-28 | F |
| Palumbo Diane | Officer | 66,278 | 2015-02-23 | A |
| Shannon James Samuel | Director | 64,635 | 2026-03-01 | A |
| COHEN ABRAHAM E | Director | 56,424 | 2012-08-17 | S |
| Friedman Michael A | Director | 47,500 | 2015-05-21 | A |
| Ingram Elizabeth Garrett | Officer | 43,012 | 2019-02-20 | A |
| Kendall David M | Officer | 41,059 | 2020-07-31 | P |
| Barton Courtney | Officer | 29,584 | 2019-07-31 | P |
| Burns Dan | Officer | 14,800 | 2006-12-08 | A |
| Riesenberger John R. | Officer | 14,650 | 2008-08-06 | A |
| Murren Heather Hay | Director | 10,100 | 2008-08-13 | A |
| Urbanski Raymond W. | Officer | 2,924 | 2017-08-10 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-25 | Binder Steven B. | Open-market sale | 39,051 | $3.29 | 713,258 |
| 2026-09-10 | Binder Steven B. | Open-market sale | 33,558 | $3.81 | 752,309 |
| 2026-08-07 | Binder Steven B. | Open-market sale | 39,051 | $4.06 | 785,867 |
| 2026-07-17 | Binder Steven B. | Open-market sale | 52,485 | $4.06 | 824,918 |
| 2026-07-17 | Thomson David | Open-market sale | 24,109 | $4.05 | 797,554 |
| 2026-07-15 | Binder Steven B. | Option exercise (derivative) | 93,790 | $0.00 | 0 |
| 2026-07-15 | Binder Steven B. | Tax withholding | 4,634 | $4.09 | 877,403 |
| 2026-07-15 | Binder Steven B. | Tax withholding | 4,073 | $4.09 | 882,037 |
| 2026-07-15 | Binder Steven B. | Tax withholding | 15,688 | $4.09 | 886,110 |
| 2026-07-15 | Binder Steven B. | Option exercise | 93,790 | $0.00 | 901,798 |
| 2026-07-15 | Thomson David | Option exercise (derivative) | 93,790 | $0.00 | 0 |
| 2026-07-15 | Thomson David | Tax withholding | 16,378 | $4.09 | 821,663 |
| 2026-07-15 | Thomson David | Tax withholding | 17,754 | $4.09 | 838,041 |
| 2026-07-15 | Thomson David | Tax withholding | 12,662 | $4.09 | 855,795 |
| 2026-07-15 | Thomson David | Tax withholding | 51,632 | $4.09 | 868,457 |
| 2026-07-15 | Thomson David | Option exercise | 93,790 | $0.00 | 920,089 |
| 2026-07-15 | Singh Sanjay R | Option exercise (derivative) | 70,550 | $0.00 | 0 |
| 2026-07-15 | Singh Sanjay R | Tax withholding | 9,297 | $4.09 | 478,966 |
| 2026-07-15 | Singh Sanjay R | Tax withholding | 10,079 | $4.09 | 488,263 |
| 2026-07-15 | Singh Sanjay R | Tax withholding | 5,372 | $4.09 | 498,342 |
| 2026-07-15 | Singh Sanjay R | Tax withholding | 22,047 | $4.09 | 503,714 |
| 2026-07-15 | Singh Sanjay R | Option exercise | 70,550 | $0.00 | 525,761 |
| 2026-07-15 | Castagna Michael | Option exercise (derivative) | 350,260 | $0.00 | 0 |
| 2026-07-15 | Castagna Michael | Tax withholding | 58,904 | $4.09 | 2,433,779 |
| 2026-07-15 | Castagna Michael | Tax withholding | 63,996 | $4.09 | 2,492,683 |
| 2026-07-15 | Castagna Michael | Tax withholding | 47,481 | $4.09 | 2,556,679 |
| 2026-07-15 | Castagna Michael | Tax withholding | 192,819 | $4.09 | 2,604,160 |
| 2026-07-15 | Castagna Michael | Option exercise | 350,260 | $0.00 | 2,796,979 |
| 2026-07-15 | Tross Stuart A | Option exercise (derivative) | 93,790 | $0.00 | 0 |
| 2026-07-15 | Tross Stuart A | Tax withholding | 12,331 | $4.09 | 1,058,142 |
| 2026-07-15 | Tross Stuart A | Tax withholding | 11,572 | $4.09 | 1,070,473 |
| 2026-07-15 | Tross Stuart A | Tax withholding | 8,253 | $4.09 | 1,082,045 |
| 2026-07-15 | Tross Stuart A | Tax withholding | 33,652 | $4.09 | 1,090,298 |
| 2026-07-15 | Tross Stuart A | Option exercise | 93,790 | $0.00 | 1,123,950 |
| 2026-07-15 | Marasco Dominic | Tax withholding | 3,623 | $4.09 | 343,398 |
| 2026-07-15 | Prentiss Christopher B | Tax withholding | 10,675 | $4.09 | 318,668 |
| 2026-07-15 | Prentiss Christopher B | Tax withholding | 11,572 | $4.09 | 329,343 |
| 2026-05-20 | Kay Sabrina | Grant / award (derivative) | 82,781 | $0.00 | 82,781 |
| 2026-05-20 | MUNDKUR CHRISTINE | Grant / award (derivative) | 82,781 | $0.00 | 82,781 |
| 2026-05-20 | Marasco Dominic | Grant / award | 8,474 | $2.95 | 344,246 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.