Summary
Updated Aug 31, 2026
Gina Mastantuono is Director of Roblox Corp (RBLX). 35 SEC Form 4 filings on record going back to 2024, most recently on 24 August 2026. Lifetime open-market purchases: $950. Lifetime open-market sales: $5.71M.
Recent Transactions
20Every recent SEC Form 4 transaction Gina Mastantuono has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Gina Mastantuono go back to 2024: 35 primary Form 4 filings, an average of 11.7 per year. The typical open-market purchase is $475 (2 buys totaling $950). The largest single buy on record is $535 of RBLX in 2026. Sales side: 7 recorded sales totaling $5.71M, so the filing history runs sell-heavy by dollar value. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Gina Mastantuono 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 Gina Mastantuono?
Gina Mastantuono is a corporate insider, tracked as Director of Roblox Corp (RBLX). InsiderAlpha holds 35 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 Gina Mastantuono submitted recently?
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Gina Mastantuono been buying or selling stock?
Recorded transactions: 2 open-market purchases ($950) and 7 open-market sales ($5.71M) across all tracked filings.
Where can I see all of Gina Mastantuono'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 Gina Mastantuono 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