William Lewis is CEO & Chairman at INSMED INC (INSM). They have made 28 open-market trades across 1 company since 2012, most recently 2026-07-23.
CIK 0001402051
2 open-market purchases totalling $1.3M since 2012, against 26 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| INSM | 259,058 | $24.9M |
| AEGR | 108,966 | $215K |
| NAMS | 10,360 | $205K |
| Total | $25.4M |
Shares reported on the most recent Form 4, priced at the 2026-07-24 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| INSM | SELL · 10b5-1 | 2026-07-23 | 2026-07-24 | $106.06 | $1.1M | -7.4% | +16.2% | — |
| INSM | SELL · 10b5-1 | 2026-07-09 | 2026-07-10 | $117.40 | $1.3M | -6.6% | +18.0% | -11.9% |
| INSM | SELL · 10b5-1 | 2026-06-25 | 2026-06-26 | $103.32 | $2.2M | +11.7% | -1.2% | +14.8% |
| INSM | SELL · 10b5-1 | 2026-06-08 | 2026-06-10 | $94.03 | $613K | +10.9% | +25.6% | +35.7% |
| INSM | SELL | 2026-06-03 | 2026-06-05 | $102.27 | $778K | +5.8% | +19.9% | +36.2% |
| INSM | SELL · 10b5-1 | 2026-05-18 | 2026-05-20 | $106.33 | $2.7M | -4.1% | -8.8% | +18.7% |
| INSM | SELL | 2026-05-13 | 2026-05-15 | $116.18 | $1.5M | +0.9% | -9.3% | +17.5% |
| INSM | SELL · 10b5-1 | 2026-05-04 | 2026-05-06 | $137.34 | $1.5M | -8.2% | -19.3% | -15.4% |
| INSM | SELL · 10b5-1 | 2026-04-16 | 2026-04-17 | $143.97 | $1.5M | -5.8% | -25.3% | -25.0% |
| INSM | SELL · 10b5-1 | 2026-04-06 | 2026-04-08 | $163.22 | $1.7M | -10.3% | -36.4% | -29.1% |
| INSM | SELL · 10b5-1 | 2026-03-19 | 2026-03-20 | $143.52 | $1.5M | +12.1% | -2.9% | -34.9% |
| INSM | SELL | 2026-03-05 | 2026-03-05 | $146.03 | $1.6M | +0.8% | +14.7% | -27.3% |
| INSM | SELL · 10b5-1 | 2026-02-19 | 2026-02-23 | $150.97 | $1.6M | -8.0% | -4.9% | -30.2% |
| INSM | SELL · 10b5-1 | 2026-02-09 | 2026-02-11 | $147.79 | $2.0M | +6.8% | -6.1% | -21.9% |
| INSM | SELL | 2026-02-03 | 2026-02-04 | $156.34 | $470K | -1.3% | -8.1% | -8.5% |
| INSM | SELL | 2026-01-20 | 2026-01-22 | $158.93 | $1.7M | -1.8% | -0.6% | -9.7% |
| INSM | SELL | 2026-01-12 | 2026-01-13 | $169.00 | $3.2M | -2.5% | -10.8% | -7.7% |
| INSM | SELL | 2026-01-06 | 2026-01-08 | $174.03 | $1.7M | -15.5% | -19.2% | -13.4% |
| INSM | SELL · 10b5-1 | 2025-12-18 | 2025-12-19 | $167.04 | $3.5M | -0.3% | -7.9% | -18.9% |
| INSM | SELL · 10b5-1 | 2025-12-04 | 2025-12-05 | $205.62 | $4.4M | -4.0% | -15.2% | -30.5% |
| INSM | SELL · 10b5-1 | 2025-08-18 | 2025-08-20 | $128.40 | $1.8M | +11.9% | +11.5% | +55.3% |
| INSM | SELL · 10b5-1 | 2025-08-04 | 2025-08-06 | $109.81 | $1.5M | +19.4% | +36.2% | +71.5% |
| INSM | SELL · 10b5-1 | 2025-07-15 | 2025-07-15 | $102.36 | $1.4M | +1.0% | +24.2% | +59.4% |
| INSM | SELL · 10b5-1 | 2025-07-01 | 2025-07-02 | $98.33 | $1.3M | +4.9% | +10.9% | +46.9% |
| INSM | SELL · 10b5-1 | 2025-06-16 | 2025-06-18 | $100.44 | $26.1M | -2.6% | +2.3% | +44.4% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.