Paydirt
WL
Insider

William Lewis

Chair and CEO

William Lewis (Chair and CEO) filed 20 Form 4 reports in the trailing twelve months (0 purchases, 20 sales), most often in Insmed Incorporated (INSM). The largest single filing was $3.1M of INSM (18,146 sh across 3 lots, as filed), executed Jan 12.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
20
0 buys · 20 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$32.2M
shares × price, as filed
Last traded
Jul 23
Filed Jul 24

Median ADV $401.1M across their filed names

Open performance
Volume by month
$14.2M$7.1M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $3.6MJan 2025 · sells $5.4MFeb 2025 · sells $10.3MMar 2025 · sells $3.9MApr 2025 · sells $822KMay 2025 · sells $3.8MJun 2025 · sells $14.2MJul 2025 · sells $1.3MAug 2025 · sells $1.6MDec 2025 · sells $3.8MJan 2026 · sells $6.4MFeb 2026 · sells $4.1MMar 2026 · sells $3.1MApr 2026 · sells $3.3MMay 2026 · sells $5.5MJun 2026 · sells $3.6MJul 2026 · sells $2.4M
Buys $0 Sells $77.1M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 20 filings

Sector per market data · by filing · past 12 months

Most traded names
INSM Insmed Incorporated INSM · 0 buys · 41 sells 41 filings
Recent filings
INSMSALE Insmed Incorporated View filing → $1.1M
10,700 sh across 2 lots
Exec Jul 23
Filed Jul 24 · 5:02 PM ET
INSMSALE Insmed Incorporated View filing → $1.3M
10,699 sh across 3 lots
Exec Jul 9
Filed Jul 10 · 4:02 PM ET
INSMSALE Insmed Incorporated View filing → $2.2M
21,398 sh across 5 lots
Exec Jun 25
Filed Jun 26 · 5:30 PM ET
INSMSALE Insmed Incorporated View filing → $613K
6,515 sh × $94.03
Exec Jun 8
Filed Jun 10 · 5:30 PM ET
INSMSALE Insmed Incorporated View filing → $778K
7,605 sh × $102.27
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
INSMSALE Insmed Incorporated View filing → $2.7M
25,564 sh across 3 lots
Exec May 18
Filed May 20 · 5:30 PM ET
INSMSALE Insmed Incorporated View filing → $1.5M
13,283 sh × $116.18
Exec May 13
Filed May 15 · 5:30 PM ET
INSMSALE Insmed Incorporated View filing → $1.3M
9,286 sh across 3 lots
Exec May 4
Filed May 6 · 5:30 PM ET
More filings →