Form 4 · Filed May 20, 2026, 08:06 PM UTC
INSM/INSMED Inc
Lewis William — Chair and CEO
AI Thesis
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Research signal, not investment advice. Form 4 AI surfaces SEC filings and applies an analytical layer — it does not predict prices or recommend trades. Past performance does not guarantee future results. See methodology and public track record for how scores are computed.
Transactions
7 rows| Date | Code | Direction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| May 18, 2026 | M | other | 6,259 | $30 | $190,649 | 294,161 |
| May 18, 2026 | M | other | 4,440 | $17 | $76,190 | 298,601 |
| May 18, 2026 | S | sell | 5,753 | $105 | $605,906 | 292,848 |
| May 18, 2026 | S | sell | 11,836 | $106 | $1,259,232 | 281,012 |
| May 18, 2026 | S | sell | 7,975 | $107 | $853,086 | 273,037 |
| May 18, 2026 | M | other | 6,259 | — | — | 25,037 |
| May 18, 2026 | M | other | 4,440 | — | — | 17,760 |
Source: SEC EDGAR raw filing ↗ · Accession 0001402051-26-000030