Michael Castagna

MNKD

Michael Castagna serves as director, officer: Chief Executive Officer at MannKind Corporation (MNKD). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

5 trades

$366.5K

Total Sells

6 trades

$3.48M

Net Position

Net Seller

$3.11M

Companies Traded

MNKD

Active Period

Mar 2021 – Mar 2026

11 total trades

Most Recent

Buy MNKD

Mar 10, 2026 · $259.0K

Michael Castagna's Insider Trading at MannKind Corporation (MNKD)

Buys

5 · $366.5K

Sells

6 · $3.48M

Total Shares Bought

138,009

Total Shares Sold

723,077

MNKD Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Mar 10, 2026	Buy	100,000	$2.59	$259.0K	2,575,911
Dec 17, 2025	Sell	65,804	$6.01	$395.5K	0
Dec 12, 2025	Sell	42,116	$6.00	$252.7K	0
Dec 2, 2025	Sell	107,920	$5.57	$601.1K	0
Jul 15, 2025	Sell	111,275	$3.85	$428.4K	0
May 19, 2025	Sell	26,114	$4.37	$114.1K	0
May 10, 2025	Sell	369,848	$4.56	$1.69M	0
Mar 1, 2022	Buy	27,675	$2.71	$75.0K	1,532,773
Feb 2, 2022	Buy	2,334	$3.17	$7.4K	1,505,628
Aug 2, 2021	Buy	5,000	$2.99	$14.9K	1,538,652
Mar 8, 2021	Buy	3,000	$3.38	$10.1K	3,000