MNKD

Healthcare

MannKind Corporation

$2.77-0.06 (-1.95%)

Prev Close

$2.82

Open

$2.81

High

$2.81

Low

$2.70

Volume

2.45M

Market Cap

$818.0M

P/E

138.25

Div Yield

—

Over the past 12 months, insider activity at MannKind Corporation (MNKD) has been dominated by selling, with 1 insider purchase totaling $259.0K and 28 insider sales totaling $8.70M. The most recent insider transaction was by Castagna Michael (director, officer: Chief Executive Officer), who purchased $259.0K worth of shares on Mar 10, 2026. MannKind Corporation operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $818.0M.

Buys (12M)

$259.0K

Sells (12M)

$8.70M

Net Activity

Net Seller

$8.44M

Active Insiders

last 12 mo

MNKD Price Chart

MNKD Insider Trading Activity

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	2,575,910
Jan 9, 2026↗	Tross Stuart A	officer: Chief People & Workpl Officer	Sell	47,006	$6.33	$297.5K	985,007
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

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	2,575,910

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
Jan 9, 2026↗	Tross Stuart A	officer: Chief People & Workpl Officer	Sell	47,006	$6.33	$297.5K	985,007
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