Insider · CIK 0001297976
David Thomson
Files at MNKD (MANNKIND CORP). First filing May 15, 2025, latest Dec 4, 2025.
David Thomson files SEC Form 4 as officer at MNKD (MANNKIND CORP). Since May 15, 2025, David Thomson has reported 0 open-market buys worth $0 and 4 open-market sells worth $1.0M, the latest filed on Dec 4, 2025.
A track record needs three past buys with six months of prices behind them; David Thomson has 0, so none is measured yet.
The newest scored trade: sold $823k of MNKD on Dec 2, 2025, filed Dec 4, 2025, scored 16 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $823k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MNKD: MANNKIND CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 16Weak | MANNKIND CORP | $823k 147,780 shares | -15% | +63% from low-20% from high | |
| 8Weak | MANNKIND CORP | $29k 7,466 shares | -1% | +12% from low-47% from high | |
| 3Weak | MANNKIND CORP | $10k 2,345 shares | -0% | 0% from low-41% from high | |
| 14Weak | MANNKIND CORP | $151k 32,179 shares | -4% | +6% from low-37% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 20, 2025 | MNKD MANNKIND CORPORATION | 2,345 0.00% of outstanding | $10k | May 20, 2025 | $151k |
| May 13, 2025 | MNKD MANNKIND CORPORATION | 32,179 0.01% of outstanding | $151k | May 13, 2025 | none |
Transactions
Every row this insider has filed, 21 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 23, 2026 | MNKD MANNKIND CORP | AGrant or award Performance Restricted Stock Unitderivative | +221,000 | $0.00 | $0 | 221,000 | Mar 25, 2026 |
| Mar 23, 2026 | MNKD MANNKIND CORP | AGrant or award Employee Stock Option (right to buy)derivative | +217,000 | $0.00 | $0 | 217,000 | Mar 25, 2026 |
| Feb 26, 2026 | MNKD MANNKIND CORP | AGrant or award Employee Stock Option (right to buy)derivative | +20,000 | $0.00 | $0 | 20,000 | Mar 2, 2026 |
| Feb 26, 2026 | MNKD MANNKIND CORP | AGrant or award Employee Stock Option (right to buy)derivative | +37,525 | $0.00 | $0 | 37,525 | Mar 2, 2026 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Common Stock, $0.01 Par Value10b5-1 | +60,000 | $4.55 | $273k | 901,719 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Common Stock, $0.01 Par Value10b5-1 | +87,780 | $4.60 | $404k | 989,499 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | SOpen-market sale Common Stock, $0.01 Par Value10b5-1 | -147,780 | $5.57 | $823k | 841,719 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Employee Stock Option (Right to Buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 0 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Employee Stock Option (Right to Buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 0 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Employee Stock Option (Right to Buy)derivative10b5-1 | -20,000 | $0.00 | $0 | 0 | Dec 4, 2025 |
| Dec 2, 2025 | MNKD MANNKIND CORP | MOption exercise Employee Stock Option (Right to Buy)derivative10b5-1 | -87,780 | $0.00 | $0 | 0 | Dec 4, 2025 |
| Jul 15, 2025 | MNKD MANNKIND CORP | FTax withholding Common Stock, $0.01 Par Value10b5-1 | -30,361 | $3.85 | $117k | 849,185 | Jul 17, 2025 |
| Jul 16, 2025 | MNKD MANNKIND CORP | SOpen-market sale Common Stock, $0.01 Par Value10b5-1 | -7,466 | $3.94 | $29k | 841,719 | Jul 17, 2025 |
| May 19, 2025 | MNKD MANNKIND CORP | FTax withholding Common Stock, $0.01 Par Value10b5-1 | -9,536 | $4.37 | $42k | 881,891 | May 20, 2025 |
| May 20, 2025 | MNKD MANNKIND CORP | SOpen-market sale Common Stock, $0.01 Par Value10b5-1 | -2,345 | $4.41 | $10k | 879,546 | May 20, 2025 |
| May 10, 2025 | MNKD MANNKIND CORP | AGrant or award Common Stock, $0.01 Par Value10b5-1 | +105,600 | $0.00 | $0 | 935,443 | May 15, 2025 |
| May 12, 2025 | MNKD MANNKIND CORP | FTax withholding Common Stock, $0.01 Par Value10b5-1 | -118,473 | $4.56 | $540k | 816,970 | May 15, 2025 |
| May 12, 2025 | MNKD MANNKIND CORP | FTax withholding Common Stock, $0.01 Par Value10b5-1 | -12,364 | $4.56 | $56k | 804,606 | May 15, 2025 |
| May 13, 2025 | MNKD MANNKIND CORP | SOpen-market sale Common Stock, $0.01 Par Value10b5-1 | -32,179 | $4.68 | $151k | 772,427 | May 15, 2025 |
| May 13, 2025 | MNKD MANNKIND CORP | AGrant or award Common Stock, $0.01 Par Value10b5-1 | +119,000 | $0.00 | $0 | 891,427 | May 15, 2025 |
| May 13, 2025 | MNKD MANNKIND CORP | AGrant or award Performance Restricted Stock Unitderivative10b5-1 | +145,000 | $0.00 | $0 | 145,000 | May 15, 2025 |
Questions about David Thomson
Answered from the filings on this page, as of the latest one.
Is David Thomson buying or selling?
In the last 12 months David Thomson reported 0 open-market buys worth $0 and 1 open-market sell worth $823k on SEC Form 4; the latest was sold $823k of MNKD on Dec 2, 2025. Grants, option exercises and tax withholding are not counted.
How did David Thomson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David Thomson has 0.
Where does David Thomson file Form 4?
David Thomson has filed Form 4 at MNKD (MANNKIND CORP) as EVP Genl Counsel & Secretary. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.