Updated Jul 16, 2026
Thomson David has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.85M.

David Thomson serves as the Executive Vice President, General Counsel, and Secretary at MannKind Corp, a biopharmaceutical company focused on inhaled therapeutic products. He has been involved in multiple SEC filings related to his role within the company.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-14 | MNKD | MANNKIND CORP | S — Open-market sale | 3.0K | $3.29 | $10K |
| 2026-05-14 | MNKD | MANNKIND CORP | F — Tax withholding / forfeiture | 12.4K | $3.52 | $44K |
| 2025-12-05 | MNKD | MANNKIND CORP | S — Open-market sale [10b5-1] | 147.8K | $5.57 | $823K |
| 2025-12-05 | MNKD | MANNKIND CORP | M — Option exercise [10b5-1] | 87.8K | $4.60 | $404K |
| 2025-12-05 | MNKD | MANNKIND CORP | M — Option exercise [10b5-1] | 60.0K | $4.55 | $273K |
| 2025-12-04 | MNKD | MANNKIND CORP | S — Open-market sale [10b5-1] | 147.8K | $5.57 | $823K |
| 2025-12-04 | MNKD | MANNKIND CORP | M — Option exercise [10b5-1] | 87.8K | $4.60 | $404K |
| 2025-12-04 | MNKD | MANNKIND CORP | M — Option exercise [10b5-1] | 60.0K | $4.55 | $273K |
| 2025-07-15 | MNKD | MANNKIND CORP | S — Open-market sale | 7.5K | $3.94 | $29K |
| 2025-07-15 | MNKD | MANNKIND CORP | F — Tax withholding / forfeiture | 30.4K | $3.85 | $117K |
| 2025-05-19 | MNKD | MANNKIND CORP | S — Open-market sale | 2.3K | $4.41 | $10K |
| 2025-05-19 | MNKD | MANNKIND CORP | F — Tax withholding / forfeiture | 9.5K | $4.37 | $42K |
| 2025-05-10 | MNKD | MANNKIND CORP | A — Grant or award | 119.0K | $0.00 | |
| 2025-05-10 | MNKD | MANNKIND CORP | S — Open-market sale | 32.2K | $4.68 | $151K |
| 2025-05-10 | MNKD | MANNKIND CORP | F — Tax withholding / forfeiture | 12.4K | $4.56 | $56K |
| 2025-05-10 | MNKD | MANNKIND CORP | F — Tax withholding / forfeiture | 118.5K | $4.56 | $540K |
| 2025-05-10 | MNKD | MANNKIND CORP | A — Grant or award | 105.6K | $0.00 |
David Thomson serves as the Executive Vice President, General Counsel, and Secretary at MannKind Corp, a biopharmaceutical company focused on inhaled therapeutic products. He has been involved in multiple SEC filings related to his role within the company.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 6 open-market sales ($1.85M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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