Mack Rimmer Leath Jr. - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mack Rimmer Leath Jr. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Profile
Mack Rimmer Leath Jr. is CEO at Mitesco, Inc. (MITI). Leath has reported 5 insider filings with the SEC since 2024. The most recent filing was in September 2025.
| Role | CEO, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- Mitesco, Inc.
Reported roles
- CEO
Trading Pattern
InsiderAlpha's records for Mack Rimmer Leath Jr. go back to 2024: 5 primary Form 4 filings, an average of 1.7 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 Mack Rimmer Leath Jr. 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.
- CEO, Director at Mitesco, Inc. (MITI) - 5 filings, 2024 to 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-09-22 | MITI | Mitesco, Inc. | A - Grant or award | 8.8K | $0.18 | $2K |
| 2025-07-03 | MITI | Mitesco, Inc. | A - Grant or award | 4.1K | $0.37 | $2K |
| 2024-11-18 | MITI | Mitesco, Inc. | A - Grant or award | 909 | $0.55 | $500 |
| 2024-11-14 | MITI | Mitesco, Inc. | A - Grant or award | 877 | $0.57 | $500 |
| 2024-11-14 | MITI | Mitesco, Inc. | A - Grant or award | 150.0K | $4.00 | $600K |
| 2024-10-31 | MITI | Mitesco, Inc. | A - Grant or award | 18.1K | $4.00 | $72K |
Most Active Insiders Right Now
Mack Rimmer Leath Jr. 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:
- Magnetar Financial LLC
- Meyer Malka
- John C. Malone
- Paul B. Manning
- Manufacturers Life Insurance Co (Bermuda Branch)
- Manufacturers Life Reinsurance Ltd
- Manulife (International) Ltd
- Manulife (Singapore) Pte. Ltd.
Frequently Asked Questions
Who is Mack Rimmer Leath Jr.?
Mack Rimmer Leath Jr. is CEO at Mitesco, Inc. (MITI). Leath has reported 5 insider filings with the SEC since 2024. The most recent filing was in September 2025.…
Where can I see all of Mack Rimmer Leath Jr.'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 Mack Rimmer Leath Jr. profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.