MannKind Corporation (MNKD)
Nasdaq: MNKD · Pharmaceutical Preparations · Danbury, CT · filing with the SEC since 2004
Grade6.2
◀ Past 6.3● Present 6.4▶ Future 5.9
Who owns MannKind Corporation
As filed with the SECHolders of 5% or more
3
State Street Corporation holds 6.1% of COMMON STOCK, as its SCHEDULE 13G filed May 12, 2026 says.
Directors and officers
17
report now, of 30 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
State Street Corporation
SCHEDULE 13G · filed May 12, 2026 · COMMON STOCK
Rubric Capital Management LP
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, $0.01 par value per share
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What MNKD reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Deerfield Management Company Lp
An entity · legal entity · owns, named in the 10-K filed Feb 26, 2026
scPharmaceuticals Inc
A company bought · acquisition · Sep 2025 · owns, named in the 10-K filed Feb 26, 2026
Sc Pharma
A company bought · acquisition · owns, named in the 10-K filed Feb 26, 2026
Insider tradesForm 4
14sales
1purchases
14sales on a scheduled plan
5people selling
$3.3Msold, in dollars
$300,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 32 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Castagna Michael | Chief Executive Officer | 4 | $1.2M | 4 | 1 | $300,000 |
| Thomson David | EVP Genl Counsel & Secretary | 3 | $900,000 | 3 | 0 | $0 |
| Binder Steven B. | EVP Special Projects | 5 | $700,000 | 5 | 0 | $0 |
| Tross Stuart A | Chief People & Workpl Officer | 1 | $300,000 | 1 | 0 | $0 |
| Singh Sanjay R | EVP Technical Operations | 1 | $100,000 | 1 | 0 | $0 |