MNKD
MannKind Corporation$3.56-0.19 (-5.07%)Prev Close$3.75·MCap$1.33B·P/E185.03·Vol2.29M·Yield—
▲
Buys (12M)
1
$259.0K
▼
Sells (12M)
14
$3.47M
◆
Net Activity
Net Seller
$3.21M
●
Active Insiders
6
last 12 mo
Over the past 12 months, insider activity at MannKind Corporation (MNKD) has been dominated by selling, with 1 insider purchase totaling $259.0K and 14 insider sales totaling $3.47M. The most recent insider transaction was by Binder Steven B. (director), who sold $127.9K worth of shares on Sep 14, 2026. MannKind Corporation operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $1.33B.
MNKD Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Binder Steven B. | director | Sell | 33,558 | $3.81 | $127.9K | 752,309 |
| Aug 10, 2026 | Binder Steven B. | director | Sell | 39,051 | $4.06 | $158.5K | 785,867 |
| Jul 17, 2026 | Thomson David | officer: EVP Genl Counsel & Secretary | Sell | 24,109 | $4.05 | $97.6K | 797,554 |
| Jul 17, 2026 | Binder Steven B. | director | Sell | 52,485 | $4.06 | $213.1K | 824,918 |
| May 13, 2026 | Binder Steven B. | director | Sell | 16,940 | $3.29 | $55.7K | 808,008 |
| May 13, 2026 | Thomson David | officer: EVP Genl Counsel & Secretary | Sell | 3,033 | $3.29 | $10.0K | 826,299 |
| Mar 10, 2026 | Castagna Michael | director, officer: Chief Executive Officer | Buy | 100,000 | $2.59 | $259.0K | 2,575,911 |
| Jan 8, 2026 | Tross Stuart A | Chief People & Workpl Officer | Sell | 47,006 | $6.33 | $297.5K | 0 |
| Dec 17, 2025 | Castagna Michael | Chief Executive Officer | Sell | 65,804 | $6.01 | $395.5K | 0 |
| Dec 12, 2025 | Castagna Michael | Chief Executive Officer | Sell | 42,116 | $6.00 | $252.7K | 0 |
| Dec 2, 2025 | Castagna Michael | Chief Executive Officer | Sell | 107,920 | $5.57 | $601.1K | 0 |
| Dec 2, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 147,780 | $5.57 | $823.1K | 0 |
| Nov 14, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 18,777 | $5.03 | $94.4K | 0 |
| Oct 31, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 17,071 | $5.59 | $95.4K | 0 |
| Sep 16, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 47,000 | $5.34 | $251.0K | 0 |
| Jul 15, 2025 | Binder Steven B. | Director | Sell | 94,750 | $3.92 | $371.6K | 0 |
| Jul 15, 2025 | BLANK BURKHARD | EVP Chief Medical Officer | Sell | 9,556 | $3.85 | $36.8K | 0 |
| Jul 15, 2025 | Castagna Michael | Chief Executive Officer | Sell | 111,275 | $3.85 | $428.4K | 0 |
| Jul 15, 2025 | Prentiss Christopher B | Chief Financial Officer | Sell | 11,540 | $3.85 | $44.4K | 0 |
| Jul 15, 2025 | Sabella Lauren M | EVP Operations | Sell | 11,896 | $3.85 | $45.8K | 0 |
| Jul 15, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 15,450 | $3.85 | $59.5K | 0 |
| Jul 15, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 37,827 | $3.87 | $146.3K | 0 |
| Jul 15, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 28,057 | $3.85 | $108.0K | 0 |
| Jun 10, 2025 | Binder Steven B. | Director | Sell | 64,085 | $4.00 | $256.3K | 0 |
| May 27, 2025 | BLANK BURKHARD | EVP Chief Medical Officer | Sell | 15,630 | $4.12 | $64.4K | 0 |
| May 19, 2025 | Binder Steven B. | Director | Sell | 17,268 | $4.39 | $75.8K | 0 |
| May 19, 2025 | Castagna Michael | Chief Executive Officer | Sell | 26,114 | $4.37 | $114.1K | 0 |
| May 19, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 11,881 | $4.38 | $52.0K | 0 |
| May 19, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 6,147 | $4.37 | $26.9K | 0 |
| May 10, 2025 | Binder Steven B. | Director | Sell | 174,015 | $4.62 | $803.9K | 0 |
| May 10, 2025 | Castagna Michael | Chief Executive Officer | Sell | 369,848 | $4.56 | $1.69M | 0 |
| May 10, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 163,016 | $4.58 | $747.2K | 0 |
| May 10, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 96,775 | $4.56 | $441.3K | 0 |
| Mar 27, 2025 | Sabella Lauren M | EVP Operations | Sell | 16,407 | $5.10 | $83.7K | 0 |
| Mar 1, 2022 | Castagna Michael | Chief Executive Officer | Buy | 27,675 | $2.71 | $75.0K | 1,532,773 |
| Mar 1, 2022 | Grancio Jennifer | Director | Buy | 110,701 | $2.71 | $300.0K | 244,815+83% |
| Mar 1, 2022 | Tross Stuart A | Chief People & Workpl Officer | Buy | 9,225 | $2.71 | $25.0K | 632,010 |
| Feb 2, 2022 | Binder Steven B. | Chief Financial Officer | Buy | 711 | $3.17 | $2.3K | 534,178 |
| Feb 2, 2022 | Castagna Michael | Chief Executive Officer | Buy | 2,334 | $3.17 | $7.4K | 1,505,628 |
| Feb 2, 2022 | Galindo Alejandro | Chief Commercial Officer | Buy | 2,334 | $3.17 | $7.4K | 540,320 |
| Feb 2, 2022 | Tross Stuart A | Chief People & Workpl Officer | Buy | 4,254 | $3.17 | $13.5K | 624,785 |
| Aug 27, 2021 | Thomson David | EVP Genl Counsel & Secretary | Sell | 4,100 | $4.64 | $19.0K | 567,391 |
| Aug 2, 2021 | Binder Steven B. | Chief Financial Officer | Buy | 748 | $2.99 | $2.2K | 547,644 |
| Aug 2, 2021 | Castagna Michael | Chief Executive Officer | Buy | 5,000 | $2.99 | $14.9K | 1,538,652 |
| Aug 2, 2021 | Galindo Alejandro | Chief Commercial Officer | Buy | 5,000 | $2.99 | $14.9K | 547,602 |
| Aug 2, 2021 | Tross Stuart A | Chief People & Workpl Officer | Buy | 4,476 | $2.99 | $13.4K | 634,708 |
| Mar 8, 2021 | Castagna Michael | Chief Executive Officer | Buy | 3,000 | $3.38 | $10.1K | 3,000 |
MNKD Insider Buying Activity
The following table shows recent insider purchases of MannKind Corporation (MNKD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Castagna Michael | director, officer: Chief Executive Officer | Buy | 100,000 | $2.59 | $259.0K | 2,575,911 |
| Mar 1, 2022 | Castagna Michael | Chief Executive Officer | Buy | 27,675 | $2.71 | $75.0K | 1,532,773 |
| Mar 1, 2022 | Grancio Jennifer | Director | Buy | 110,701 | $2.71 | $300.0K | 244,815+83% |
| Mar 1, 2022 | Tross Stuart A | Chief People & Workpl Officer | Buy | 9,225 | $2.71 | $25.0K | 632,010 |
| Feb 2, 2022 | Binder Steven B. | Chief Financial Officer | Buy | 711 | $3.17 | $2.3K | 534,178 |
| Feb 2, 2022 | Castagna Michael | Chief Executive Officer | Buy | 2,334 | $3.17 | $7.4K | 1,505,628 |
| Feb 2, 2022 | Galindo Alejandro | Chief Commercial Officer | Buy | 2,334 | $3.17 | $7.4K | 540,320 |
| Feb 2, 2022 | Tross Stuart A | Chief People & Workpl Officer | Buy | 4,254 | $3.17 | $13.5K | 624,785 |
| Aug 2, 2021 | Binder Steven B. | Chief Financial Officer | Buy | 748 | $2.99 | $2.2K | 547,644 |
| Aug 2, 2021 | Castagna Michael | Chief Executive Officer | Buy | 5,000 | $2.99 | $14.9K | 1,538,652 |
| Aug 2, 2021 | Galindo Alejandro | Chief Commercial Officer | Buy | 5,000 | $2.99 | $14.9K | 547,602 |
| Aug 2, 2021 | Tross Stuart A | Chief People & Workpl Officer | Buy | 4,476 | $2.99 | $13.4K | 634,708 |
| Mar 8, 2021 | Castagna Michael | Chief Executive Officer | Buy | 3,000 | $3.38 | $10.1K | 3,000 |
MNKD Insider Selling Activity
The following table shows recent insider sales of MannKind Corporation (MNKD) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Binder Steven B. | director | Sell | 33,558 | $3.81 | $127.9K | 752,309 |
| Aug 10, 2026 | Binder Steven B. | director | Sell | 39,051 | $4.06 | $158.5K | 785,867 |
| Jul 17, 2026 | Thomson David | officer: EVP Genl Counsel & Secretary | Sell | 24,109 | $4.05 | $97.6K | 797,554 |
| Jul 17, 2026 | Binder Steven B. | director | Sell | 52,485 | $4.06 | $213.1K | 824,918 |
| May 13, 2026 | Binder Steven B. | director | Sell | 16,940 | $3.29 | $55.7K | 808,008 |
| May 13, 2026 | Thomson David | officer: EVP Genl Counsel & Secretary | Sell | 3,033 | $3.29 | $10.0K | 826,299 |
| Jan 8, 2026 | Tross Stuart A | Chief People & Workpl Officer | Sell | 47,006 | $6.33 | $297.5K | 0 |
| Dec 17, 2025 | Castagna Michael | Chief Executive Officer | Sell | 65,804 | $6.01 | $395.5K | 0 |
| Dec 12, 2025 | Castagna Michael | Chief Executive Officer | Sell | 42,116 | $6.00 | $252.7K | 0 |
| Dec 2, 2025 | Castagna Michael | Chief Executive Officer | Sell | 107,920 | $5.57 | $601.1K | 0 |
| Dec 2, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 147,780 | $5.57 | $823.1K | 0 |
| Nov 14, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 18,777 | $5.03 | $94.4K | 0 |
| Oct 31, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 17,071 | $5.59 | $95.4K | 0 |
| Sep 16, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 47,000 | $5.34 | $251.0K | 0 |
| Jul 15, 2025 | Binder Steven B. | Director | Sell | 94,750 | $3.92 | $371.6K | 0 |
| Jul 15, 2025 | BLANK BURKHARD | EVP Chief Medical Officer | Sell | 9,556 | $3.85 | $36.8K | 0 |
| Jul 15, 2025 | Castagna Michael | Chief Executive Officer | Sell | 111,275 | $3.85 | $428.4K | 0 |
| Jul 15, 2025 | Prentiss Christopher B | Chief Financial Officer | Sell | 11,540 | $3.85 | $44.4K | 0 |
| Jul 15, 2025 | Sabella Lauren M | EVP Operations | Sell | 11,896 | $3.85 | $45.8K | 0 |
| Jul 15, 2025 | Singh Sanjay R | EVP Technical Operations | Sell | 15,450 | $3.85 | $59.5K | 0 |
| Jul 15, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 37,827 | $3.87 | $146.3K | 0 |
| Jul 15, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 28,057 | $3.85 | $108.0K | 0 |
| Jun 10, 2025 | Binder Steven B. | Director | Sell | 64,085 | $4.00 | $256.3K | 0 |
| May 27, 2025 | BLANK BURKHARD | EVP Chief Medical Officer | Sell | 15,630 | $4.12 | $64.4K | 0 |
| May 19, 2025 | Binder Steven B. | Director | Sell | 17,268 | $4.39 | $75.8K | 0 |
| May 19, 2025 | Castagna Michael | Chief Executive Officer | Sell | 26,114 | $4.37 | $114.1K | 0 |
| May 19, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 11,881 | $4.38 | $52.0K | 0 |
| May 19, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 6,147 | $4.37 | $26.9K | 0 |
| May 10, 2025 | Binder Steven B. | Director | Sell | 174,015 | $4.62 | $803.9K | 0 |
| May 10, 2025 | Castagna Michael | Chief Executive Officer | Sell | 369,848 | $4.56 | $1.69M | 0 |
| May 10, 2025 | Thomson David | EVP Genl Counsel & Secretary | Sell | 163,016 | $4.58 | $747.2K | 0 |
| May 10, 2025 | Tross Stuart A | Chief People & Workpl Officer | Sell | 96,775 | $4.56 | $441.3K | 0 |
| Mar 27, 2025 | Sabella Lauren M | EVP Operations | Sell | 16,407 | $5.10 | $83.7K | 0 |
| Aug 27, 2021 | Thomson David | EVP Genl Counsel & Secretary | Sell | 4,100 | $4.64 | $19.0K | 567,391 |
MNKD Insiders
Castagna Michael
director, officer: Chief Executive Officer
Bought $366.5KSold $3.48M
11 tradesLast: Mar 10, 2026
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