| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Chair and CEO | Director | Chair &CEO +4 more
2 companies
Lewis William is a Chair and CEO at INSM, with reported holdings spanning 2 companies. Recent filings cover 2 purchases and 218 sales. Those positions are worth an estimated $27.4M at current prices.
Our model assigns Lewis William a middling insider score of 50/100, based on 69 past trades. Over a 12-month horizon, 31.1% of those trades were profitable, with an average 12-month return of -44.6%.
Lewis William's largest disclosed position is in INSM as Chair and CEO, worth about $27.4M. The recent filings there lean toward selling, a net 2,283,180 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jul 23, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 10,700 | $106.06 | $1,134,890.32 | -4.0% | -12.4% | - | |
| Jul 9, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 10,699 | $117.40 | $1,256,084.13 | -4.0% | -14.0% | - | |
| Jun 25, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 21,398 | $103.32 | $2,210,762.94 | -7.6% | +13.3% | - | |
| Jun 8, 2026 | INSM Insmed Incorporated | Chair and CEO | Sell10b5-1 | 6,515 | $94.03 | $612,605.45 | -2.5% | +32.6% | - | |
| Jun 3, 2026 | INSM Insmed Incorporated | Chair and CEO | Sell | 7,605 | $102.27 | $777,763.35 | -2.8% | +17.0% | - | |
| May 18, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 25,564 | $106.33 | $2,718,223.75 | -8.6% | +19.8% | - | |
| May 13, 2026 | INSM Insmed Incorporated | Chair and CEO | Sell | 13,283 | $116.18 | $1,543,218.94 | -4.4% | +12.4% | - | |
| May 4, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 10,699 | $137.34 | $1,469,441.83 | -3.4% | -29.7% | - | |
| Apr 16, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 10,699 | $143.97 | $1,540,331.72 | -3.4% | -23.1% | - | |
| Apr 6, 2026 | INSM Insmed Incorporated | Chair and CEO | Sale+OE10b5-1 | 10,699 | $163.22 | $1,746,335.79 | -3.4% | -31.9% | - |