Summary
Updated Aug 31, 2026
Stefan K.L. Oh is Chief Investment Officer of American Healthcare REIT, Inc. (AHR). 7 SEC Form 4 filings on record going back to 2024, most recently on 8 April 2026. Most recent open-market trade: sold $139K of AHR on 30 June 2025. Lifetime open-market sales: $139K.
Recent Transactions
12Every recent SEC Form 4 transaction Stefan K.L. Oh has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Stefan K.L. Oh go back to 2024: 7 primary Form 4 filings, an average of 2.3 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 Stefan K.L. Oh 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.
- Jeffrey T. Hanson - $3.64M of AHR open-market activity in the last 12 months
- Brian Peay - $1.27M of AHR open-market activity in the last 12 months
- Mark E. Foster - $550K of AHR 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 Stefan K.L. Oh?
Stefan K.L. Oh is a corporate insider, tracked as Chief Investment Officer of American Healthcare REIT, Inc. (AHR). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Stefan K.L. Oh last file a Form 4?
The most recent primary Form 4 on record is dated 8 April 2026, one of 7 filings going back to 2024.
Has Stefan K.L. Oh been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($139K) across all tracked filings.
Where can I see all of Stefan K.L. Oh'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 Stefan K.L. Oh 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