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sellWeak10b5-1 plan

Steven B. Binder sold $128k of MNKD

director at MANNKIND CORP. 33,558 shares at an average of $3.81, traded Sep 10, 2026, filed Sep 14, 2026.

Warning score
6
Value
$128k
33,558 shares
Holdings after
752,309
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $128k at market
    +11
  • Share of holdings sold
    Sold 4.3% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MNKDOct 9, 2026 · close 3.29
Since filing Sep 14, 2026: -12.3%SPY +2.6% · excess -14.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-26-391003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 10, 2026SOpen-market sale
Common Stock, $0.01 Par Value10b5-1
-33,558$3.81$128k752,30928 d ago

Related signals

Other insiders at MANNKIND CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
6Weak
MNKDsell10b5-1
MANNKIND CORP
Steven B. Binder
director
$128k
39,051 shares
-5%
56Moderate
MNKDbuy
MANNKIND CORP
Michael Castagna
Chief Executive Officer
$259k
100,000 shares
+4%
6Weak
MNKDsell10b5-1
MANNKIND CORP
Michael Castagna
Chief Executive Officer
$395k
65,804 shares
-3%
11Weak
MNKDsell 210b5-1
MANNKIND CORP
Michael Castagna
Chief Executive Officer
$253k
42,116 shares
-2%
17Weak
MNKDsell 210b5-1
MANNKIND CORP
Michael Castagna
Chief Executive Officer
$601k
107,920 shares
-4%
16Weak
MNKDsell 210b5-1
MANNKIND CORP
David Thomson
EVP Genl Counsel & Secretary
$823k
147,780 shares
-15%
5Weak
MNKDsell10b5-1
MANNKIND CORP
Sanjay R Singh
EVP Technical Operations
$94k
18,777 shares
-4%
8Weak
MNKDsell10b5-1
MANNKIND CORP
Stuart A Tross
Chief People & Workpl Officer
$251k
47,000 shares
-4%
17Weak
MNKDsell 210b5-1
MANNKIND CORP
Steven B. Binder
director
$297k
75,367 shares
-8%
8Weak
MNKDsell 210b5-1
MANNKIND CORP
David Thomson
EVP Genl Counsel & Secretary
$29k
7,466 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Steven B. Binder sold $128k of MNKD | InsiderTell