The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lewis William since 2016.
This trader's CIK number is 1402051.
At the time of last reporting, Lewis William was the Chair and CEO of Insmed Inc. (stock ticker symbol INSM).
Also see all insider trading activities at Insmed Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | INSM | 0 | $0 | 472,926 | $39,636,674 | 312,380 | $4,150,959 |
| 2024 | INSM | 0 | $0 | 135,344 | $6,058,106 | 146,280 | $2,413,250 |
| 2023 | INSM | 0 | $0 | 135,855 | $3,243,122 | 346,424 | $4,512,014 |
| 2022 | INSM | 0 | $0 | 434,758 | $11,151,857 | 410,028 | $3,922,511 |
| 2021 | INSM | 0 | $0 | 243,228 | $7,182,192 | 243,228 | $1,603,270 |
| 2020 | INSM | 0 | $0 | 250,000 | $8,651,350 | 285,000 | $1,400,305 |
| 2019 | INSM | 0 | $0 | 400,000 | $10,400,000 | 277,684 | $7,219,784 |
| 2018 | INSM | 15,700 | $249,598 | 0 | $0 | 0 | $0 |
| 2016 | INSM | 50,000 | $667,000 | 0 | $0 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-18 | INSM | Sale | 6,865 | 128.61 | 882,887 |
| 2025-08-18 | INSM | Option Ex | 6,865 | 10.85 | 74,485 |
| 2025-08-04 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-08-04 | INSM | Sale | 6,830 | 109.80 | 749,913 |
| 2025-07-15 | INSM | Sale | 6,830 | 102.56 | 700,505 |
| 2025-07-15 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-07-01 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-07-01 | INSM | Sale | 6,830 | 98.72 | 674,278 |
| 2025-06-16 | INSM | Option Ex | 129,805 | 10.85 | 1,408,384 |
| 2025-06-16 | INSM | Sale | 135,009 | 100.00 | 13,501,440 |
| 2025-06-02 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-06-03 | INSM | Sale | 5,472 | 71.50 | 391,248 |
| 2025-06-02 | INSM | Sale | 6,830 | 71.17 | 486,111 |
| 2025-05-20 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-05-20 | INSM | Sale | 27,887 | 67.81 | 1,891,156 |
| 2025-05-13 | INSM | Sale | 17,442 | 67.05 | 1,169,486 |
| 2025-05-14 | INSM | Sale | 3,771 | 65.61 | 247,415 |
| 2025-05-01 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-05-01 | INSM | Sale | 6,830 | 72.51 | 495,243 |
| 2025-04-15 | INSM | Sale | 6,830 | 70.49 | 481,426 |
| 2025-04-15 | INSM | Option Ex | 6,830 | 10.85 | 74,105 |
| 2025-03-17 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2025-03-17 | INSM | Sale | 25,580 | 76.90 | 1,967,153 |
| 2025-03-03 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2025-03-03 | INSM | Sale | 25,580 | 78.70 | 2,013,043 |
| 2025-02-18 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2025-02-18 | INSM | Sale | 25,580 | 80.93 | 2,070,189 |
| 2025-02-06 | INSM | Sale | 79,350 | 80.90 | 6,419,415 |
| 2025-01-15 | INSM | Sale | 38,635 | 70.25 | 2,713,992 |
| 2025-01-15 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2025-01-07 | INSM | Sale | 8,218 | 66.02 | 542,552 |
| 2025-01-08 | INSM | Sale | 3,999 | 65.96 | 263,774 |
| 2025-01-10 | INSM | Sale | 2,978 | 63.36 | 188,686 |
| 2025-01-02 | INSM | Sale | 25,580 | 69.85 | 1,786,762 |
| 2025-01-02 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2024-12-19 | INSM | Sale | 25,580 | 70.12 | 1,793,746 |
| 2024-12-19 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2024-12-12 | INSM | Option Ex | 25,580 | 16.80 | 429,871 |
| 2024-12-12 | INSM | Sale | 25,580 | 73.45 | 1,878,902 |
| 2024-05-14 | INSM | Sale | 22,198 | 25.52 | 566,492 |
| 2024-02-28 | INSM | Option Ex | 50,000 | 12.58 | 629,000 |
| 2024-01-08 | INSM | Option Ex | 45,120 | 20.49 | 924,508 |
| 2024-01-08 | INSM | Sale | 45,120 | 29.50 | 1,330,814 |
| 2024-01-09 | INSM | Sale | 9,887 | 28.72 | 283,954 |
| 2024-01-05 | INSM | Sale | 6,979 | 29.26 | 204,198 |
| 2023-10-27 | INSM | Sale | 112,000 | 25.04 | 2,803,920 |
| 2023-10-27 | INSM | Option Ex | 112,500 | 14.24 | 1,602,000 |
| 2023-05-15 | INSM | Sale | 6,048 | 19.23 | 116,303 |
| 2023-05-16 | INSM | Sale | 3,714 | 18.41 | 68,374 |
| 2023-05-17 | INSM | Sale | 7,099 | 18.12 | 128,633 |
| 2023-05-12 | INSM | Option Ex | 233,924 | 12.44 | 2,910,014 |
| 2023-01-10 | INSM | Sale | 6,994 | 18.00 | 125,892 |
| 2022-08-08 | INSM | Option Ex | 216,800 | 3.98 | 861,780 |
| 2022-08-08 | INSM | Sale | 216,800 | 28.07 | 6,086,660 |
| 2022-07-07 | INSM | Option Ex | 96,614 | 16.16 | 1,561,282 |
| 2022-07-07 | INSM | Sale | 96,614 | 23.00 | 2,222,122 |
| 2022-05-16 | INSM | Sale | 3,398 | 18.35 | 62,353 |
| 2022-05-17 | INSM | Sale | 5,996 | 20.18 | 120,999 |
| 2022-03-23 | INSM | Sale | 96,614 | 23.31 | 2,252,072 |
| 2022-03-23 | INSM | Option Ex | 96,614 | 15.52 | 1,499,449 |
| 2022-01-11 | INSM | Sale | 2,873 | 25.11 | 72,141 |
| 2022-01-05 | INSM | Sale | 7,126 | 27.61 | 196,748 |
| 2022-01-06 | INSM | Sale | 5,337 | 26.00 | 138,762 |
| 2021-12-23 | INSM | Option Ex | 50,000 | 8.82 | 441,000 |
| 2021-12-27 | INSM | Sale | 46,614 | 27.72 | 1,292,140 |
| 2021-12-27 | INSM | Option Ex | 46,614 | 14.24 | 663,783 |
| 2021-12-23 | INSM | Sale | 50,000 | 28.20 | 1,410,250 |
| 2021-09-30 | INSM | Sale | 96,614 | 27.48 | 2,654,952 |
| 2021-09-30 | INSM | Option Ex | 96,614 | 3.40 | 328,487 |
| 2021-03-16 | INSM | Sale | 50,000 | 36.50 | 1,824,850 |
| 2021-03-16 | INSM | Option Ex | 50,000 | 3.40 | 170,000 |
| 2020-12-22 | INSM | Option Ex | 50,000 | 3.40 | 170,000 |
| 2020-12-22 | INSM | Sale | 50,000 | 36.72 | 1,835,750 |
| 2020-11-06 | INSM | Option Ex | 35,000 | 15.72 | 550,305 |
| 2020-11-04 | INSM | Sale | 200,000 | 34.08 | 6,815,600 |
| 2020-11-04 | INSM | Option Ex | 200,000 | 3.40 | 680,000 |
| 2019-06-25 | INSM | Option Ex | 277,684 | 26.00 | 7,219,784 |
| 2019-06-25 | INSM | Sale | 400,000 | 26.00 | 10,400,000 |
| 2018-11-01 | INSM | Buy | 15,700 | 15.90 | 249,598 |
| 2016-02-01 | INSM | Buy | 50,000 | 13.34 | 667,000 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Lewis William (Chair and CEO of Insmed Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.