Summary
Updated Aug 31, 2026
John M. Winter is SVP, CLO AND SECRETARY of Liberty Latin America Ltd. (LILA). 7 SEC Form 4 filings on record going back to 2024, most recently on 3 August 2026. Most recent open-market trade: bought $100K of LILA on 30 June 2026. Lifetime open-market purchases: $100K.
Recent Transactions
20Every recent SEC Form 4 transaction John M. Winter has reported, most recent first.
Trading Pattern
InsiderAlpha's records for John M. Winter go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. The typical open-market purchase is $100K (1 buy totaling $100K). The largest single buy on record is $100K of LILA in 2026. 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 M. Winter 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.
- John C. Malone - $248.85M of LILA open-market activity in the last 12 months
- Balan Nair - $1.16M of LILA open-market activity in the last 12 months
- Michael T. Fries - $1.01M of LILA open-market activity in the last 12 months
- Charles H. R. Bracken - $934K of LILA open-market activity in the last 12 months
- Brian D. Zook - $759K of LILA open-market activity in the last 12 months
- Brendan J. Paddick - $488K of LILA 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 M. Winter?
John M. Winter is a corporate insider, tracked as SVP, CLO AND SECRETARY of Liberty Latin America Ltd. (LILA). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John M. Winter submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has John M. Winter been buying or selling stock?
Recorded transactions: 1 open-market purchase ($100K) and 0 open-market sales across all tracked filings.
Where can I see all of John M. Winter'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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