Updated Jul 16, 2026
Smith Michael Alexander has filed 4 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $14.52M.

Michael Alexander Smith serves as the Chief Legal Officer at Insmed Inc, a biopharmaceutical company focused on treating serious and rare diseases. He has been involved in multiple SEC filings related to his role within the company.
| Role | Chief Legal Officer |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-24 | INSM | INSMED Inc | S — Open-market sale | 1.8K | $95.82 | $173K |
| 2026-06-05 | INSM | INSMED Inc | S — Open-market sale | 2.2K | $102.27 | $221K |
| 2026-05-22 | INSM | INSMED Inc | S — Open-market sale | 6.1K | $108.47 | $667K |
| 2026-05-15 | INSM | INSMED Inc | S — Open-market sale | 4.1K | $116.18 | $477K |
| 2026-03-31 | INSM | INSMED Inc | S — Open-market sale [10b5-1] | 19.6K | $150.98 | $2.96M |
| 2026-03-31 | INSM | INSMED Inc | M — Option exercise [10b5-1] | 14.0K | $27.89 | $390K |
| 2026-03-31 | INSM | INSMED Inc | M — Option exercise [10b5-1] | 5.6K | $17.07 | $96K |
| 2026-02-25 | INSM | INSMED Inc | S — Open-market sale [10b5-1] | 15.8K | $156.53 | $2.47M |
| 2026-02-25 | INSM | INSMED Inc | S — Open-market sale [10b5-1] | 4.2K | $155.06 | $644K |
| 2026-02-25 | INSM | INSMED Inc | S — Open-market sale [10b5-1] | 4.9K | $153.93 | $747K |
| 2026-02-25 | INSM | INSMED Inc | M — Option exercise [10b5-1] | 20.2K | $17.07 | $346K |
| 2026-02-04 | INSM | INSMED Inc | S — Open-market sale | 640 | $156.27 | $100K |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 1.2K | $145.89 | $173K |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 4.9K | $145.18 | $718K |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 8.3K | $144.16 | $1.20M |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 7.4K | $143.16 | $1.06M |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 1.1K | $142.06 | $156K |
| 2025-09-02 | INSM | INSMED Inc | S — Open-market sale | 1.4K | $141.16 | $191K |
| 2025-09-02 | INSM | INSMED Inc | M — Option exercise | 12.8K | $30.46 | $389K |
| 2025-07-11 | INSM | INSMED Inc | S — Open-market sale | 933 | $102.51 | $96K |
Michael Alexander Smith serves as the Chief Legal Officer at Insmed Inc, a biopharmaceutical company focused on treating serious and rare diseases. He has been involved in multiple SEC filings related to his role within the company.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 23 open-market sales ($14.52M) 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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