Key facts
- WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G/A for Soleno Therapeutics, Inc. Common Stock (SLNO).
- Disclosed ownership: 8.6%.
- Date of event: 31 Mar 2026.
WELLINGTON MANAGEMENT GROUP LLP - 31 Mar 2026 SCHEDULE 13G/A Report for Soleno Therapeutics, Inc. Common Stock (SLNO)
- Filing Manager
- WELLINGTON MANAGEMENT GROUP LLP
- Reporting Manager
- Wellington Management Group LLP
- Symbol
- SLNO
- Shares outstanding
- 51,474,198 shares
- Disclosed Ownership
- 4,426,781 shares
- Ownership
- 8.6%
- Form type
- SCHEDULE 13G/A
- Filing time
- 15 May 2026, 07:06:01 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 10 Feb 2026
- SEC
- View on sec.gov
Key filing fact
WELLINGTON MANAGEMENT GROUP LLP disclosed 8.6% ownership in Soleno Therapeutics, Inc. Common Stock (SLNO) on 31 Mar 2026.
Change
- Previous schedule filing date: 10 Feb 2026.
- Current filing was accepted on 15 May 2026, 07:06.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (4)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 8.6% | 4,426,781 | 0 | 4,202,478 | Matthew Revell | Compliance Manager | |
| Wellington Group Holdings LLP | 8.6% | 4,426,781 | 0 | 4,202,478 | Matthew Revell | Compliance Manager | |
| Wellington Investment Advisors Holdings LLP | 8.6% | 4,426,781 | 0 | 4,202,478 | Matthew Revell | Compliance Manager | |
| Wellington Management Company LLP | 8.3% | 4,426,781 | 0 | 4,193,243 | Matthew Revell | Compliance Manager |
CIK / CUSIP context first