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William Lewis, Chair and CEO at INSMED, sold INSM on Jun 25, 2026

Data as of Oct 16

▼ SELL$388K3,723 shares at $104.28William Lewis Chair and CEOINSM Insmed Inc
Watch INSM
Traded
Jun 25, 2026
Disclosed
Jun 26, 2026
Filed
1 day after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

William Lewis, Chair and CEO at INSMED, sold INSM on Jun 25, 2026TRADEDDISCLOSED
INSMSimilar stocks (XLV — its sector index fund), rebased to INSM's price on the disclosure day
INSM since disclosure
−6.9%
after the sale
Similar stocks (XLV) since disclosure
+10.2%
XLV — its sector index fund

Change in closing price from Jun 26, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLWilliam Lewis Chair and CEOINSM Insmed Inc$1.2Mdisclosed Jun 26 · filed 1 day after the trade
  2. ▼ SELLWilliam Lewis Chair and CEOINSM Insmed Inc$259Kdisclosed Jun 26 · filed 1 day after the trade
  3. ▼ SELLWilliam Lewis Chair and CEOINSM Insmed Inc$137Kdisclosed Jun 26 · filed 1 day after the trade
  4. ▼ SELLWilliam Lewis Chair and CEOINSM Insmed Inc$189Kdisclosed Jun 26 · filed 1 day after the trade

See every trade on INSM →