Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Stephen P. Casper 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.
- William Frank Cruger Jr. - $1.01M in MKTX purchases and sales in the last 12 months
- Scott Pintoff - $174K in MKTX purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Stephen P. Casper?
Stephen P. Casper is a corporate insider of MARKETAXESS HOLDINGS INC (MKTX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Stephen P. Casper last file a Form 4?
The most recent primary Form 4 on record is dated 8 September 2025, one of 2 filings going back to 2025.
Has Stephen P. Casper been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($299K) across all tracked filings.
