Meridian3 Partners Sponsor LLC - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Meridian3 Partners Sponsor LLC has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Meridian3 Partners Sponsor LLC is an investment firm that reports beneficial ownership of shares in Meridian3 Industrials Acquisition Corp (MIAC) under U.S. securities law. It has submitted 1 SEC insider filing since 2026, most recently in July 2026.
| Filer type | Fund |
|---|---|
| Role | 10% Owner |
| Notability | 20/100 |
Board memberships
- Meridian3 Industrials Acquisition Corp
Reported roles
- 10% Owner
Trading Pattern
InsiderAlpha's records for Meridian3 Partners Sponsor LLC go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Meridian3 Partners Sponsor LLC has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- 10% Owner at Meridian3 Industrials Acquisition Corp (MIAC) - 1 filing, 2026
Companies - Last 90 Days
- Meridian3 Industrials Acquisition Corp (MIAC) - 1 filing, last 2026-07-07
Most Active Insiders Right Now
Meridian3 Partners Sponsor LLC has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
- Charles N. Mills
- Kevin J. Mills
- Mink Brook Asset Management LLC
- Shankh Mitra
- MITSUI SUMITOMO INSURANCE CO LTD
Frequently Asked Questions
What is Meridian3 Partners Sponsor LLC?
Meridian3 Partners Sponsor LLC is an investment firm that reports beneficial ownership of shares in Meridian3 Industrials Acquisition Corp (MIAC) under U.S. securities law. It has submitted 1 SEC insider filing since 2026, most recently in July 2026.…
How many SEC Form 4 filings has Meridian3 Partners Sponsor LLC submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Meridian3 Partners Sponsor LLC's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Meridian3 Partners Sponsor LLC profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.