Ralf Speth - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Ralf Speth has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Ralf Speth is Director at Meridian3 Industrials Acquisition Corp (MIAC). Speth has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Meridian3 Industrials Acquisition Corp
Reported roles
- Director
Awards & honors
- Former Chief Executive Officer of Jaguar Land Rover (2010–2020)
- Led automotive product and technology strategy at JLR
- Transitioned to a directorship role in an SPAC context (Meridian3 Industrials Acquisition Corp) as of 2026
Trading Pattern
InsiderAlpha's records for Ralf Speth 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 Ralf Speth 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.
- Director 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
Ralf Speth 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:
- RBC Global Asset Management (U.S.) Inc.
- Redmile Group, LLC
- Andrew Phillips Reed
- Daniel Reis-Faria
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
Frequently Asked Questions
Who is Ralf Speth?
Ralf Speth is Director at Meridian3 Industrials Acquisition Corp (MIAC). Speth has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Ralf Speth submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Ralf Speth'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 Ralf Speth profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.