Summary
Updated Aug 30, 2026
John R. Linker is EVP, Finance and CFO of COLUMBUS MCKINNON CORP (CMCO). 3 SEC Form 4 filings on record, most recently on 25 August 2026. Most recent open-market trade: bought $148K of CMCO on 4 August 2026. Lifetime open-market purchases: $148K.
Recent Transactions
2Every recent SEC Form 4 transaction John R. Linker has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies John R. Linker 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.
- Jon Adams - $121K of CMCO open-market activity in the last 12 months
- Christopher J. Stephens - $47K of CMCO open-market activity in the last 12 months
- Mark R. Paradowski - $29K of CMCO open-market activity in the last 12 months
- Alan S. Korman - $6K of CMCO open-market activity in the last 12 months
- Gregory P. Rustowicz - $5K of CMCO 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 R. Linker?
John R. Linker is a corporate insider, tracked as EVP, Finance and CFO of COLUMBUS MCKINNON CORP (CMCO). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John R. Linker submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has John R. Linker been buying or selling stock?
Recorded transactions: 1 open-market purchase ($148K) and 0 open-market sales across all tracked filings.
Where can I see all of John R. Linker'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.
Learn More
Follow John R. Linker and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial