Summary
Updated Aug 31, 2026
Douglas P. Buth is Director of Quad/Graphics, Inc. (QUAD). 4 SEC Form 4 filings on record going back to 2024, most recently on 22 May 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Douglas P. Buth has reported, most recent first.
Most Active Insiders Right Now
Douglas P. Buth has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- Patrick Sean Neville - $99.65M of CRCL open-market activity in the last 90 days
- Jason P. Rhodes - $99.40M of DYN open-market activity in the last 90 days
- Catalyst4, Inc. - $98.71M of MPLT open-market activity in the last 90 days
- Sanjay Mehrotra - $96.58M of MU open-market activity in the last 90 days
- David N. Capobianco - $93.81M of LB open-market activity in the last 90 days
- LandBridge Holdings LLC - $93.81M of LB 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 Douglas P. Buth?
Douglas P. Buth is a corporate insider, tracked as Director of Quad/Graphics, Inc. (QUAD). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Douglas P. Buth last file a Form 4?
The most recent primary Form 4 on record is dated 22 May 2026, one of 4 filings going back to 2024.
Where can I see all of Douglas P. Buth'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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