Summary
Updated Aug 31, 2026
Jonathan D. Klein files SEC Form 4 reports at Squarespace, Inc. (SQSP). 2 SEC Form 4 filings on record, most recently on 17 October 2024.
Recent Transactions
1Every recent SEC Form 4 transaction Jonathan D. Klein has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jonathan D. Klein go back to 2024: 2 primary Form 4 filings, an average of 0.7 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 have reported open-market trades at the same companies as Jonathan D. Klein. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Andrew Braccia - $647.73M of SQSP open-market activity on record
- Anthony Casalena - $591.34M of SQSP open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jonathan D. Klein?
Jonathan D. Klein is a corporate insider of Squarespace, Inc. (SQSP). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jonathan D. Klein last file a Form 4?
The most recent primary Form 4 on record is dated 17 October 2024, one of 2 filings going back to 2024.
Where can I see all of Jonathan D. Klein'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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