Summary
Updated Aug 30, 2026
Clifford Sosin is 10% Owner of Cardlytics, Inc. (CDLX). 4 SEC Form 4 filings on record going back to 2024, most recently on 18 August 2025. Most recent open-market trade: sold $225K of CDLX on 18 August 2025. Lifetime open-market sales: $530K.
Recent Transactions
4Every recent SEC Form 4 transaction Clifford Sosin 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 Clifford Sosin 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.
- Amit Gupta - $433K of CDLX open-market activity in the last 12 months
- David Thomas Evans - $129K of CDLX open-market activity in the last 12 months
- Nicholas Hollmeyer Lynton - $63K of CDLX open-market activity in the last 12 months
- Alexis Desieno - $19K of CDLX 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 Clifford Sosin?
Clifford Sosin is a corporate insider, tracked as 10% Owner of Cardlytics, Inc. (CDLX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Clifford Sosin last file a Form 4?
The most recent primary Form 4 on record is dated 18 August 2025, one of 4 filings going back to 2024.
Has Clifford Sosin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($530K) across all tracked filings.
Where can I see all of Clifford Sosin'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 Clifford Sosin 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
