Quick Takeaways
- Long Path Smaller Companies Fund, LP filed SCHEDULE 13G/A for Mesa Laboratories, Inc. Common Stock, no par value (MLAB).
- Disclosed ownership: 7.3%.
- Date of event: 31 Mar 2026.
Long Path Smaller Companies Fund, LP - 31 Mar 2026 SCHEDULE 13G/A Report for Mesa Laboratories, Inc. Common Stock, no par value (MLAB)
- Filing Manager
- Long Path Smaller Companies Fund, LP
- Reporting Manager
- Long Path Smaller Companies Fund, LP
- Symbol
- MLAB
- Shares outstanding
- 5,555,932 shares
- Disclosed Ownership
- 405,583 shares
- Ownership
- 7.3%
- Form type
- SCHEDULE 13G/A
- Filing time
- 15 Apr 2026, 12:11:22 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 13 Mar 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"Long Path Smaller Companies Fund, LP disclosed 7.3% ownership in Mesa Laboratories, Inc. Common Stock, no par value (MLAB) on 31 Mar 2026."
What Changed
- Previous schedule filing date: 13 Mar 2026.
- Current filing was accepted on 15 Apr 2026, 12:11.
Why This Matters
- 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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Long Path Smaller Companies Fund, LP | 7.3% | 405,583 | 0 | 405,583 | /s/ William Thomas Brennan | William Thomas Brennan/Managing Member of Long Path Fund GP, LLC, its general partner | |
| Long Path Fund GP, LLC | 7.3% | 405,583 | 0 | 405,583 | /s/ William Thomas Brennan | William Thomas Brennan/Managing Member | |
| Long Path Partners, LP | 7.3% | 405,583 | 0 | 405,583 | /s/ William Thomas Brennan | William Thomas Brennan/Managing Member of Long Path Holdings LLC, its general partner | |
| Long Path Holdings LLC | 7.3% | 405,583 | 0 | 405,583 | /s/ William Thomas Brennan | William Thomas Brennan/Managing Member | |
| William Thomas Brennan | 7.3% | 405,583 | 0 | 405,583 | /s/ William Thomas Brennan | William Thomas Brennan/individually | |
| Brian Paul Nelson | 7.3% | 405,583 | 0 | 405,583 | /s/ Brian Paul Nelson | Brian Paul Nelson/individually |