Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Carl Sparks 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.
- Ronald J. Mittelstaedt - $7.61M in WCN purchases and sales in the last 12 months
- Thomas N. Tryforos - $3.91M in CPRT purchases and sales in the last 12 months
- Jeffrey Liaw - $2.73M in CPRT purchases and sales in the last 12 months
- Daniel J. Englander - $2.20M in CPRT purchases and sales in the last 12 months
- Edward E. Guillet - $1.57M in WCN purchases and sales in the last 12 months
- Patrick James Shea - $1.17M in WCN purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Carl Sparks?
Carl Sparks is a corporate insider, tracked as Director of TripAdvisor, Inc. (TRIP). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Carl Sparks last file a Form 4?
The most recent primary Form 4 on record is dated 1 July 2026, one of 3 filings going back to 2024.
