🕵️ NINE Energy Service, Inc. ($NINE)
SEC insider & ownership activity, last 12 months · CIK 1532286 · every row links its SEC filing
Insiders were quiet over the last 12 months – no open-market buys or sells. 2 red-flag 8-Ks in the window, most recently Bankruptcy (1.03), Mar 4, 2026.
Insider flow
0 buyers, $0 (0 lots) · 0 sellers, $0 (0 lots)
No open-market insider transactions in the last 12 months.
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Philosophy Capital Management LLC | 17.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Jacob Rubin | 17.0% | 13G | Aug 14, 2026 | filing ↗ | |
| MacKay Shields LLC | 11.9% | 13G | Mar 31, 2026 | filing ↗ | |
| NYLI MacKay High Yield Corporate BOND Fund | 10.1% | 13G | Mar 31, 2026 | filing ↗ | |
| Adage Capital Management, L.P. | 9.7% | 13G | Jul 9, 2026 | filing ↗ | |
| Robert Atchinson | 9.7% | 13G | Jul 9, 2026 | filing ↗ | |
| Phillip Gross | 9.7% | 13G | Jul 9, 2026 | filing ↗ | |
| CastleKnight Master Fund LP | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| CastleKnight Fund GP LLC | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| CastleKnight Management LP | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| CastleKnight Management GP LLC | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| Weitman Capital LLC | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| Aaron Weitman | 8.3% | 13G | Apr 9, 2026 | filing ↗ | |
| Philosophy Capital Partners, LP | 6.4% | 13G | Aug 14, 2026 | filing ↗ | |
| Algebris Investments (US) Inc. | 6.0% | 13G | Jul 2, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 22, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 21, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 20, 2026 | filing ↗ |
| Other events (8.01) | Mar 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 25, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 9, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 4, 2026 | filing ↗ |
| Agreement terminated (1.02) | Mar 4, 2026 | filing ↗ |
| Bankruptcy (1.03) | Mar 4, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 4, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Mar 4, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Mar 4, 2026 | filing ↗ |
| Change of control (5.01) | Mar 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 4, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 4, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 2, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 2, 2026 | filing ↗ |
| Delisting notice (3.01) | Feb 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 2, 2026 | filing ↗ |