Mark Miller - SEC Form 4 Insider Trading Activity

Summary

Updated Aug 3, 2026

Mark Miller has filed 1 SEC Form 4 filing across 1 company in the last 90 days - active on both sides. Lifetime open-market purchases: $546K. Lifetime open-market sales: $6.79M.

Profile

Mark Miller holds the role of President and CEO at Goosehead Insurance, Inc. (GSHD). Miller has reported 3 insider filings with the SEC since 2024. The most recent filing was in May 2026.

RolePresident and CEO, Director
Notability40/100

Board memberships

Reported roles

Trading Pattern

InsiderAlpha's records for Mark Miller go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $273K (2 buys totaling $546K). The largest single buy on record is $362K of GSHD in 2025. Sales side: 3 recorded sales totaling $6.79M, so the filing history runs sell-heavy by dollar value. 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.

Career & Filing History

Every role Mark Miller has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-15GSHDGoosehead Insurance, Inc.P - Open-market purchase5.0K$36.89$184K
2025-12-01GSHDGoosehead Insurance, Inc.P - Open-market purchase5.0K$72.34$362K
2024-11-08GSHDGoosehead Insurance, Inc.S - Open-market sale400$111.16$44K
2024-11-08GSHDGoosehead Insurance, Inc.S - Open-market sale57.9K$110.21$6.38M
2024-11-08GSHDGoosehead Insurance, Inc.M - Option exercise58.3K$10.00$583K
2024-11-08GSHDGoosehead Insurance, Inc.S - Open-market sale3.3K$110.00$362K
2024-11-08GSHDGoosehead Insurance, Inc.M - Option exercise3.3K$10.00$33K

Companies - Last 90 Days

Other Insiders Active in the Same Stocks

Insiders who reported open-market trades at the companies Mark Miller has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.

More Notable Insiders

Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:

Frequently Asked Questions

Who is Mark Miller?

Mark Miller holds the role of President and CEO at Goosehead Insurance, Inc. (GSHD). Miller has reported 3 insider filings with the SEC since 2024. The most recent filing was in May 2026.…

How many SEC Form 4 filings has Mark Miller submitted recently?

1 primary Form 4 filing in the last 90 days, covering 1 company.

Has Mark Miller been buying or selling stock?

Recorded transactions: 2 open-market purchases ($546K) and 3 open-market sales ($6.79M) across all tracked filings.

Where can I see all of Mark Miller'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

Open the live Mark Miller profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.