William Lewis SEC insider filings

Historical public-company ownership and transaction filings, with links to the original SEC records.

What the SEC filings show

William Lewis is named as a reporting owner in 3 source-backed SEC filings in this collection, associated with 1 public-company issuer. The most recent included filing was submitted Jul 24, 2026.

Filings may report stock transactions or holdings at a particular time. They do not establish the person's current share balance, portfolio value, total net worth, or whether a transaction was an open-market purchase or sale.

Source filings
3
Issuers represented
1
Filings with transactions
3
Filings with holdings
2

Recent SEC source documents

A selection of the latest 3 relevant source filings. Counts describe reported rows in the filing, not verified trades, economic proceeds, or personal profits. Older filings and amendments may contain different information.

FiledIssuerReported relationshipRowsOriginal SEC filing
Jul 24, 2026INSMED IncOfficer, Director6 transaction / 1 holdingForm 4 · 0001402051-26-000042
Jul 10, 2026INSMED IncOfficer, Director7 transaction / 1 holdingForm 4 · 0001402051-26-000040
May 26, 2015INSMED IncOfficer, Director1 transaction / 0 holdingForm 4 · 0001127430-15-000066

How to interpret this evidence

SEC Forms 3, 4 and 5 disclose certain ownership and transaction observations. Reporting dates, beneficial ownership, derivative instruments, indirect positions and amendments can affect interpretation. Figures here are counts of filing records, not independent valuations. Exact total net worth is not publicly known from this filing record.

Browse this reporting owner's SEC filing history

Working with SEC filing data? Explore our SEC API and Wealth API. These historical records are not current wealth estimates.

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