Castagna Michael

Chief Executive Officer | Chief Commercial Officer

1 company

Average

Trades Analyzed

12M Win Rate

26.3%

Avg 3M Return

+12.4%

Avg 12M Return

-9.6%

Castagna Michael is a Chief Executive Officer at MannKind Corporation. Recent SEC Form 4 filings include 1 buy and 12 sells.

Estimated insider holdings value: $10.0M based on current market prices.

Holdings by Company

MNKDMar 10, 2026

Current Shares2.58M

Value$10.02M

Net Activity-539,341

Bought: 352.1KSold: 891.4K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Mar 10, 2026	MNKD Mannkind Corporation	Chief Executive Officer	Buy	100,000	$2.59	$259,000.00	+4.0%	+34.9%	-
Dec 17, 2025	MNKD Mannkind Corp	Chief Executive Officer	Sale+OE	65,804	$6.01	$395,482.04	-2.6%	-54.3%	-
Dec 16, 2025	MNKD Mannkind Corp	Chief Executive Officer	Sale+OE	42,116	$6.00	$252,696.00	-0.8%	-53.1%	-
Dec 2, 2025	MNKD Mannkind Corp	Chief Executive Officer	Sale+OE	107,920	$5.57	$601,114.40	-4.1%	-45.7%	-
Aug 29, 2024	MNKD Mannkind Corp	Chief Executive Officer	Sell	85,106	$6.30	$536,167.80	-3.6%	+4.4%	-27.5%
Dec 15, 2023	MNKD Mannkind Corp	Chief Executive Officer	Sell	200,482	$4.00	$801,928.00	-2.9%	+14.2%	+66.0%
Nov 1, 2023	MNKD Mannkind Corp	Chief Executive Officer	Sell	10,000	$4.25	$42,500.00	-0.4%	-15.4%	+75.4%
Oct 2, 2023	MNKD Mannkind Corp	Chief Executive Officer	Sell	10,000	$4.61	$46,100.00	-0.4%	-2.7%	+55.3%
Sep 1, 2023	MNKD Mannkind Corp	Chief Executive Officer	Sell	10,000	$4.61	$46,100.00	-0.4%	-21.8%	+35.2%
Aug 1, 2023	MNKD Mannkind Corp	Chief Executive Officer	Sell	10,000	$4.57	$45,686.00	-0.4%	-7.3%	+28.3%