Summary
Updated Aug 31, 2026
John D. Markley Jr. is Director of CHARTER COMMUNICATIONS, INC. /MO/ (CHTR). 2 SEC Form 4 filings on record going back to 2025, most recently on 23 April 2026.
Recent Transactions
2Every recent SEC Form 4 transaction John D. Markley Jr. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John D. Markley Jr. go back to 2025: 2 primary Form 4 filings, 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 John D. Markley Jr. 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.
- Thomas Rutledge - $12.73M of CHTR open-market activity in the last 12 months
- Mauricio Ramos - $1.40M of CHTR open-market activity in the last 12 months
- Christopher L. Winfrey - $1.19M of CHTR open-market activity in the last 12 months
- Wade Davis - $995K of CHTR open-market activity in the last 12 months
- David C. Merritt - $271K of CHTR open-market activity in the last 12 months
- Balan Nair - $175K of CHTR 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 John D. Markley Jr.?
John D. Markley Jr. is a corporate insider, tracked as Director of CHARTER COMMUNICATIONS, INC. /MO/ (CHTR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John D. Markley Jr. last file a Form 4?
The most recent primary Form 4 on record is dated 23 April 2026, one of 2 filings going back to 2025.
Where can I see all of John D. Markley Jr.'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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