Summary
Updated Aug 30, 2026
John H. Alschuler Jr. files SEC Form 4 reports at SL GREEN REALTY CORP (SLG). 1 SEC Form 4 filing on record, dated 9 January 2026.
Trading Pattern
InsiderAlpha's records for John H. Alschuler Jr. go back to 2026: 1 primary Form 4 filing, 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 H. Alschuler 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.
- Harrison Sitomer - $2.32M of SLG open-market activity in the last 12 months
- Carol N. Brown - $241K of SLG 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 H. Alschuler Jr.?
John H. Alschuler Jr. is a corporate insider of SL GREEN REALTY CORP (SLG). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did John H. Alschuler Jr. last file a Form 4?
The only primary Form 4 on record is dated 9 January 2026.
Where can I see all of John H. Alschuler 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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