J. Duncan Smith
Vice President/Secretary, Director, 10% Owner · Sinclair, Inc.
- 2025
- Sep 25, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies J. Duncan Smith 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.
- David D. Smith - $1.50M in SBGI purchases and sales in the last 12 months
- Daniel C. Keith - $806K in SBGI purchases and sales in the last 12 months
- Benson E. Legg - $460K in SBGI purchases and sales in the last 12 months
- Robert Weisbord - $417K in SBGI purchases and sales in the last 12 months
- David B. Gibber - $402K in SBGI purchases and sales in the last 12 months
- Frederick G. Smith - $32K in SBGI purchases and sales in the last 12 months
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Frequently asked questions
Who is J. Duncan Smith?
J. Duncan Smith is a corporate insider, tracked as Vice President/Secretary, Director, 10% Owner of Sinclair, Inc. (SBGI). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has J. Duncan Smith submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.