Summary
Updated Aug 30, 2026
Jeffrey B. Lamkin is Director of OneWater Marine Inc. (ONEW). 3 SEC Form 4 filings on record going back to 2024, most recently on 1 October 2025. Most recent open-market trade: sold $1.09M of ONEW on 27 August 2025. Lifetime open-market sales: $1.09M.
Recent Transactions
3Every recent SEC Form 4 transaction Jeffrey B. Lamkin has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jeffrey B. Lamkin go back to 2024: 3 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 Jeffrey B. Lamkin 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.
- Teresa D. Bos - $2.75M of ONEW open-market activity in the last 12 months
- Philip Austin Singleton Jr. - $1.10M of ONEW open-market activity in the last 12 months
- Peter H. Bos Jr. - $81K of ONEW open-market activity in the last 12 months
- John Troiano - $22K of ONEW 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 Jeffrey B. Lamkin?
Jeffrey B. Lamkin is a corporate insider, tracked as Director of OneWater Marine Inc. (ONEW). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jeffrey B. Lamkin last file a Form 4?
The most recent primary Form 4 on record is dated 1 October 2025, one of 3 filings going back to 2024.
Has Jeffrey B. Lamkin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.09M) across all tracked filings.
Where can I see all of Jeffrey B. Lamkin'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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