🕵️ Marinemax Inc ($HZO)
SEC insider & ownership activity, last 12 months · CIK 1057060 · every row links its SEC filing
Over the last 12 months insiders sold $1.7M with no open-market buying against it. McGill W Brett sold $1.7M in discretionary trades (Aug). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $1.7M (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| McGill W Brett | 0 | – | 2 | $1.7M | Aug 25, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 13.7% | 13G | Jul 18, 2025 | filing ↗ | |
| American Century Investment Management, Inc. | 10.3% | 13G | Jun 5, 2026 | filing ↗ | |
| American Century Companies, Inc. | 10.3% | 13G | Jun 5, 2026 | filing ↗ | |
| Stowers Institute for Medical Research | 10.3% | 13G | Jun 5, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Charles A. Cashman | $220K | Nov 21, 2025 | filing ↗ |
| McGill W Brett | $1.7M | Aug 25, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 23, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 29, 2026 | filing ↗ |
| Agreement terminated (1.02) | Jun 29, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 29, 2026 | filing ↗ |
| Earnings (2.02) | Apr 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 23, 2026 | filing ↗ |
| Other events (8.01) | Mar 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 3, 2026 | filing ↗ |
| Shareholder vote (5.07) | Mar 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 3, 2026 | filing ↗ |
| Earnings (2.02) | Jan 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 16, 2026 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 9, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 9, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 25, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 25, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 25, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |