Haas Sullivan
CHIEF ACCOUNTING OFFICER · MAGNITE, INC.
- 2026
- Oct 2, 2026
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Haas Sullivan 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 in MGNI purchases and sales in the last 12 months
- Sean Patrick Buckley - $2.78M in MGNI purchases and sales in the last 12 months
- Douglas S. Knopper - $2.67M in MGNI purchases and sales in the last 12 months
- Katie Seitz Evans - $1.84M in MGNI purchases and sales in the last 12 months
- Sarah Patricia Harden - $1.15M in MGNI purchases and sales in the last 12 months
- Aaron Saltz - $936K in MGNI purchases and sales in the last 12 months
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Frequently asked questions
Who is Haas Sullivan?
Haas Sullivan is a corporate insider, tracked as CHIEF ACCOUNTING OFFICER of MAGNITE, INC. (MGNI). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Haas Sullivan submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.