Summary
Updated Aug 31, 2026
Martin Brok files SEC Form 4 reports at Ulta Beauty, Inc. (ULTA). 3 SEC Form 4 filings on record going back to 2025, most recently on 11 June 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Martin Brok 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 Martin Brok 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.
- George R. Mrkonic Jr. - $426K of ULTA open-market activity in the last 12 months
- Daniel Eduardo Ordonez - $350K of OTLY open-market activity in the last 12 months
- Mike C. Smith - $264K of ULTA open-market activity in the last 12 months
- Simon Kenneth James Broadbent - $70K of OTLY open-market activity in the last 12 months
- Martin Fredrik Lind - $27K of OTLY open-market activity in the last 12 months
- Jean-Christophe Marie Flatin - $17K of OTLY 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 Martin Brok?
Martin Brok is a corporate insider of Ulta Beauty, Inc. (ULTA). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Martin Brok submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Where can I see all of Martin Brok'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 Martin Brok 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
