Summary
Updated Aug 30, 2026
Sean Jack Buckley is Chief People & Systems Officer of Roblox Corp (RBLX). 4 SEC Form 4 filings on record, most recently on 25 August 2026. Most recent open-market trade: sold $167K of RBLX on 25 August 2026. Lifetime open-market sales: $856K.
Recent Transactions
6Every recent SEC Form 4 transaction Sean Jack Buckley 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 Sean Jack Buckley 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.
- David Baszucki - $32.74M of RBLX open-market activity in the last 12 months
- Anthony P. Lee - $30.65M of RBLX open-market activity in the last 12 months
- Mark Reinstra - $12.79M of RBLX open-market activity in the last 12 months
- Matthew D. Kaufman - $10.83M of RBLX open-market activity in the last 12 months
- Arvind Chakravarthy - $9.95M of RBLX open-market activity in the last 12 months
- Gregory Baszucki - $5.23M of RBLX 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 Sean Jack Buckley?
Sean Jack Buckley is a corporate insider, tracked as Chief People & Systems Officer of Roblox Corp (RBLX). InsiderAlpha holds 4 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 Sean Jack Buckley submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sean Jack Buckley been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($856K) across all tracked filings.
Where can I see all of Sean Jack Buckley'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 Sean Jack Buckley 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