Summary
Updated Aug 30, 2026
Thomas Bull is Chief Accounting Officer of MongoDB, Inc. (MDB). 5 SEC Form 4 filings on record going back to 2024, most recently on 1 October 2025. Most recent open-market trade: sold $326K of MDB on 8 September 2025. Lifetime open-market sales: $1.22M.
Recent Transactions
5Every recent SEC Form 4 transaction Thomas Bull 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 Thomas Bull 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.
- Dwight A. Merriman - $74.02M of MDB open-market activity in the last 12 months
- Roelof Botha - $17.53M of MDB open-market activity in the last 12 months
- Dev Ittycheria - $15.33M of MDB open-market activity in the last 12 months
- Peter Thomas Killalea - $6.44M of MDB open-market activity in the last 12 months
- Michael J. Berry - $3.54M of MDB open-market activity in the last 12 months
- Hope F. Cochran - $2.01M of MDB 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 Thomas Bull?
Thomas Bull is a corporate insider, tracked as Chief Accounting Officer of MongoDB, Inc. (MDB). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Thomas Bull last file a Form 4?
The most recent primary Form 4 on record is dated 1 October 2025, one of 5 filings going back to 2024.
Has Thomas Bull been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($1.22M) across all tracked filings.
Where can I see all of Thomas Bull'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 Thomas Bull 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
