13F Insight

Lewis William

CIK: 0001402051•Chair and CEO
OfficerDirector
Primary company: INSMED Inc (INSM)

Lewis William is a corporate insider (Chair and CEO) at INSMED Inc (INSM) filing SEC Form 4 transactions. 432 transactions across 4 companies, totaling $1,314,454 in purchases and $96,113,736 in sales. Source: SEC EDGAR.

AI Insider Summary

William H. Lewis maintained a disciplined long-term core equity holding in Insmed throughout mid-2026, anchoring the biopharmaceutical company through automated 10b5-1 option exercises. On July 23, 2026, he exercised 10,700 options and sold 10,700 shares above $105.

Pre-Scheduled 10b5-1 Transactions

  • July 23, 2026: Exercised 4,440 options at $17.16 and 6,260 options at $30.46; sold 5,872 shares at $106.43 and 4,828 shares at $105.62 (gross proceeds ~$1.13M).
  • July 9, 2026: Exercised 10,699 options ($17.16 and $30.46 strike) and sold 10,699 shares between $116.55 and $118.52 (gross proceeds ~$1.25M).
  • May 18, 2026: Exercised 10,699 options and sold 25,564 shares between $105.32 and $106.97.
Total Transactions
432
Total Buy Value
$1.31M
Total Sell Value
$96.11M
Net Activity
$-94.80M
Last Transaction
Jul 2026
Companies
4

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K
Type
Exercise
Shares
6,260
Price
$30.46
Value
$191K
Type
Sale
Shares
5,872
Price
$106.43
Value
$625K
Type
Sale
Shares
4,828
Price
$105.62
Value
$510K
Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K
Type
Exercise
Shares
6,260
Price
$30.46
Value
$191K
Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K
Type
Exercise
Shares
6,259
Price
$30.46
Value
$191K
Type
Sale
Shares
3,359
Price
$118.52
Value
$398K
Type
Sale
Shares
2,335
Price
$117.62
Value
$275K
Type
Sale
Shares
5,005
Price
$116.55
Value
$583K
Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K
Type
Exercise
Shares
6,259
Price
$30.46
Value
$191K
Type
Sale
Shares
6,515
Price
$94.03
Value
$613K
Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K
Type
Exercise
Shares
6,259
Price
$30.46
Value
$191K
Type
Sale
Shares
7,975
Price
$106.97
Value
$853K
Type
Sale
Shares
11,836
Price
$106.39
Value
$1.26M
Type
Sale
Shares
5,753
Price
$105.32
Value
$606K
Type
Exercise
Shares
4,440
Price
$17.16
Value
$76K