Summary
Updated Aug 31, 2026
Jonathan Landsberg has 4 SEC Form 4 filings on record going back to 2024, most recently on 26 June 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Jonathan Landsberg has reported, most recent first.
- 26North BDC, Inc.A - Grant or award
1.0K shares @ $24.80$25K
- 26North BDC, Inc.A - Grant or award
995 shares @ $25.14$25K
- 26North BDC, Inc.A - Grant or award
988 shares @ $25.30$25K
- 26North BDC, Inc.A - Grant or award
995 shares @ $25.13$25K
Trading Pattern
InsiderAlpha's records for Jonathan Landsberg go back to 2024: 4 primary Form 4 filings, an average of 1.3 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.
Most Active Insiders Right Now
Jonathan Landsberg has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Thomas J. Nimbley - $87.92M of PBF open-market activity in the last 90 days
- John Colgrove - $87.13M of P open-market activity in the last 90 days
- David Zaslav - $86.59M of WBD open-market activity in the last 90 days
- Alexander C. Karp - $86.06M of PLTR open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $7.98B of SVRE open-market activity in the last 90 days
- Magnetar Financial LLC - $6.65B of CRWV open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jonathan Landsberg?
Jonathan Landsberg is a corporate insider, tracked as Treasurer and CFO. InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jonathan Landsberg last file a Form 4?
The most recent primary Form 4 on record is dated 26 June 2026, one of 4 filings going back to 2024.
Where can I see all of Jonathan Landsberg'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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