Summary
Updated Aug 30, 2026
William Todd Horich is SVP, Commercial Operations of SUPERNUS PHARMACEUTICALS, INC. (SUPN). 1 SEC Form 4 filing on record, dated 10 March 2026. Most recent open-market trade: sold $244K of SUPN on 10 March 2026. Lifetime open-market sales: $484K.
Recent Transactions
8Every recent SEC Form 4 transaction William Todd Horich has reported, most recent first.
Trading Pattern
InsiderAlpha's records for William Todd Horich go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William Todd Horich files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jack A. Khattar - $12.74M of SUPN open-market activity in the last 12 months
- Padmanabh P. Bhatt - $5.39M of SUPN open-market activity in the last 12 months
- Charles W. Newhall III - $1.27M of SUPN open-market activity in the last 12 months
- Georges Gemayel - $1.00M of SUPN open-market activity in the last 12 months
- Frank Mottola - $316K of SUPN open-market activity in the last 12 months
- Frederick M. Hudson - $272K of SUPN open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William Todd Horich?
William Todd Horich is a corporate insider, tracked as SVP, Commercial Operations of SUPERNUS PHARMACEUTICALS, INC. (SUPN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William Todd Horich last file a Form 4?
The only primary Form 4 on record is dated 10 March 2026.
Has William Todd Horich been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($484K) across all tracked filings.
Where can I see all of William Todd Horich's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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