Mark S. Demilio - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mark S. Demilio has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $2.60M.
Profile
Mark S. Demilio is a corporate insider at RH (RH). Demilio has reported 8 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- RH
Trading Pattern
InsiderAlpha's records for Mark S. Demilio go back to 2024: 8 primary Form 4 filings, an average of 2.7 per year. 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 S. Demilio 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.
- Insider at RH (RH) - 8 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-14 | RH | RH | S - Open-market sale | 1.1K | $169.00 | $192K |
| 2026-07-14 | RH | RH | S - Open-market sale | 1.3K | $167.95 | $220K |
| 2026-06-19 | RH | RH | A - Grant or award | 843 | $0.00 | |
| 2026-06-19 | RH | RH | S - Open-market sale | 3.1K | $144.00 | $447K |
| 2026-06-19 | RH | RH | S - Open-market sale | 2.2K | $150.00 | $330K |
| 2026-04-17 | RH | RH | A - Grant or award | 13.0K | $0.00 | |
| 2026-01-16 | RH | RH | S - Open-market sale | 2.3K | $220.00 | $496K |
| 2026-01-16 | RH | RH | S - Open-market sale | 2.0K | $220.10 | $440K |
| 2025-09-19 | RH | RH | S - Open-market sale | 2.0K | $236.13 | $472K |
| 2025-09-16 | RH | RH | F - Tax withholding / forfeiture | 3.3K | $230.70 | $761K |
| 2025-09-16 | RH | RH | M - Option exercise | 20.0K | $38.04 | $761K |
| 2025-06-26 | RH | RH | A - Grant or award | 670 | $0.00 | |
| 2024-10-18 | RH | RH | A - Grant or award | 8.0K | $0.00 |
Companies - Last 90 Days
- RH (RH) - 2 filings, last 2026-07-14
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Mark S. Demilio 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.
- Gary G. Friedman - $20.67M of RH open-market activity in the last 12 months
- Eri Chaya - $3.37M of RH open-market activity in the last 12 months
- Carlos Alberini - $1.83M of RH open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Frank Martell
- Martin Product Sales LLC
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
Frequently Asked Questions
Who is Mark S. Demilio?
Mark S. Demilio is a corporate insider at RH (RH). Demilio has reported 8 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Mark S. Demilio submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark S. Demilio been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($2.60M) across all tracked filings.
Where can I see all of Mark S. Demilio'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 S. Demilio profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.