Summary
Updated Aug 31, 2026
Kirk P. McDonald files SEC Form 4 reports at ZIFF DAVIS, INC. (ZD). 7 SEC Form 4 filings on record going back to 2024, most recently on 8 June 2026. Most recent open-market trade: sold $5K of ZD on 8 June 2026. Lifetime open-market sales: $50K.
Recent Transactions
9Every recent SEC Form 4 transaction Kirk P. McDonald has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Kirk P. McDonald go back to 2024: 7 primary Form 4 filings, an average of 2.3 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 reported open-market trades in the last 12 months at the companies Kirk P. McDonald 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.
- Bret Richter - $844K of ZD open-market activity in the last 12 months
- Jeremy Rossen - $785K of ZD open-market activity in the last 12 months
- W. Brian Kretzmer - $227K of ZD open-market activity in the last 12 months
- Jana Barsten - $151K of ZD open-market activity in the last 12 months
- Lori A. Tansley - $77K of ZD open-market activity in the last 12 months
- Sarah Ann Fay - $50K of ZD 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 Kirk P. McDonald?
Kirk P. McDonald is a corporate insider of ZIFF DAVIS, INC. (ZD). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Kirk P. McDonald submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Kirk P. McDonald been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($50K) across all tracked filings.
Where can I see all of Kirk P. McDonald'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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