Insiders / Mariner Jonathan D
Mariner Jonathan D
CIK 1063663personinsider
Companies
3
First seen
Jan 8, 2026
Last activity
Jun 11, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Rocket Companies, Inc. · RKT | 102,300 | — |
| Five9 Inc · FIVN | 27,147 | — |
| Onestream, Inc. · OS | 0 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Five9 Inc | Common Stock | 27,147 |
| Rocket Companies, Inc. | Class A common stock | 102,300 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jan 6, 2026 | Sell | OS Onestream, Inc. Class A Common Stock | $130.7K | -6K -43.73% | 7,130 <0.01% of shares | medium |
| Jan 6, 2026 | Sell | OS Onestream, Inc. Class A Common Stock | $54.7K | -2K -16.01% | 12,671 <0.01% of shares | low |
| Jun 10, 2026 | Grant | RKT Rocket Companies, Inc. Class A common stock | $0 | +16K +18.97% | 102,300 <0.01% of shares | low |
| May 20, 2026 | Grant | FIVN Five9 Inc Common Stock | $0 | +9K +49.36% | 27,147 0.04% of shares | low |
| Apr 1, 2026 | Other | OS Onestream, Inc. Stock Option (right to buy) | — | -135K -100.00% | 0 0.00% of shares | low |
| Apr 1, 2026 | Other | OS Onestream, Inc. Stock Option (right to buy) | — | -50K -100.00% | 0 0.00% of shares | low |
| Apr 1, 2026 | Other | OS Onestream, Inc. Common Units | — | -40K -100.00% | 0 0.00% of shares | low |
| Apr 1, 2026 | Other | OS Onestream, Inc. Common Units | — | -207K -100.00% | 0 0.00% of shares | low |
| Apr 1, 2026 | Other | OS Onestream, Inc. Class A Common Stock | — | -7K -100.00% | 0 0.00% of shares | low |