Summary
Updated Aug 30, 2026
Sarah Patricia Harden is Director of MAGNITE, INC. (MGNI). 2 SEC Form 4 filings on record, most recently on 28 August 2026. Most recent open-market trade: sold $442K of MGNI on 28 August 2026. Lifetime open-market sales: $1.15M.
Recent Transactions
3Every recent SEC Form 4 transaction Sarah Patricia Harden 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 Sarah Patricia Harden 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.
- Michael G. Barrett - $13.64M of MGNI open-market activity in the last 12 months
- Sean Patrick Buckley - $3.78M of MGNI open-market activity in the last 12 months
- Douglas S. Knopper - $1.69M of MGNI open-market activity in the last 12 months
- Adam Lee Soroca - $1.02M of MGNI open-market activity in the last 12 months
- Brian Gephart - $992K of MGNI open-market activity in the last 12 months
- Paul Caine - $818K of MGNI 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 Sarah Patricia Harden?
Sarah Patricia Harden is a corporate insider, tracked as Director of MAGNITE, INC. (MGNI). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Sarah Patricia Harden submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sarah Patricia Harden been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.15M) across all tracked filings.
Where can I see all of Sarah Patricia Harden'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 Sarah Patricia Harden 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
