8 Rivers Capital, LLC
10% Owner
9 filings on record here, covering NPWR, ATTO, OPI, ATRA, KITT. Amounts are the ranges the filer reported, which is how the law requires them to be disclosed.
Filings
CORPORATEFiled 2026-08-11
| Sell | NPWR | Net Power Inc. | $92,080 |
| Sell | NPWR | Net Power Inc. | $86,075 |
| Sell | NPWR | Net Power Inc. | $55,990 |
CORPORATEFiled 2026-08-07
| Convert | ATTO | Attovia Therapeutics, Inc. | |
| Buy | ATTO | Attovia Therapeutics, Inc. | $3,400,000 |
| Buy | ATTO | Attovia Therapeutics, Inc. | $6,800,000 |
| Convert | ATTO | Attovia Therapeutics, Inc. | |
CORPORATEFiled 2026-08-07
| Sell | OPI | OFFICE PROPERTIES INCOME TRUST | $481,502 |
| Sell | OPI | OFFICE PROPERTIES INCOME TRUST | $2,716,459 |
CORPORATEFiled 2026-08-06
| Sell | OPI | OFFICE PROPERTIES INCOME TRUST | $3,198,026 |
CORPORATEFiled 2026-08-06
| Sell | NPWR | NET Power Inc. | $184,728 |
| Sell | NPWR | NET Power Inc. | $211,456 |
| Sell | NPWR | NET Power Inc. | $134,436 |
CORPORATEFiled 2026-07-30
| Sell | NPWR | NET Power Inc. | $82,229 |
| Sell | NPWR | NET Power Inc. | $63,328 |
| Sell | NPWR | NET Power Inc. | $221,402 |
CORPORATEFiled 2026-07-24
| Exercise | ATRA | Atara Biotherapeutics, Inc. | |
| Tax | ATRA | Atara Biotherapeutics, Inc. | |
| Exercise | ATRA | Atara Biotherapeutics, Inc. | |
| Exercise | ATRA | Atara Biotherapeutics, Inc. | |
| Exercise | ATRA | Atara Biotherapeutics, Inc. | |
CORPORATEFiled 2026-07-23
| Sell | NPWR | NET Power Inc. | $122,400 |
| Sell | NPWR | NET Power Inc. | $137,322 |
| Sell | NPWR | NET Power Inc. | $58,971 |
CORPORATEFiled 2026-07-14
| Convert | KITT | Nauticus Robotics, Inc. | $1,000,001 |
| Sell | KITT | Nauticus Robotics, Inc. | $65,761 |
| Convert | KITT | Nauticus Robotics, Inc. | |
Source records are public filings: House and Senate periodic
transaction reports, Office of Government Ethics filings, and SEC Form 4 filings. Amounts
are reported as ranges by law, not exact figures, and filings arrive on a legal delay.
Eltrove reports what was filed. Nothing here is investment advice or a recommendation.