Charles R. Lambert - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Charles R. Lambert has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile

Charles R. Lambert is a corporate insider at MEDICAL PROPERTIES TRUST INC (MPT). Lambert has reported 10 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | SVP of Finance and Treasurer |
|---|---|
| Notability | 20/100 |
Board memberships
- MEDICAL PROPERTIES TRUST INC
Awards & honors
- Senior Vice President of Finance at Medical Properties Trust
Trading Pattern
InsiderAlpha's records for Charles R. Lambert go back to 2024: 10 primary Form 4 filings, an average of 3.3 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 Charles R. Lambert 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.
- SVP of Finance and Treasurer at MEDICAL PROPERTIES TRUST INC (MPT) - 10 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-08 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 2.3K | $4.61 | $11K |
| 2026-04-09 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 2.3K | $4.67 | $11K |
| 2026-03-19 | MPT | MEDICAL PROPERTIES TRUST INC | A - Grant or award | 25.0K | $0.00 | |
| 2026-03-19 | MPT | MEDICAL PROPERTIES TRUST INC | A - Grant or award | 50.0K | $0.00 | |
| 2026-01-09 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 2.8K | $5.04 | $14K |
| 2025-10-07 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 3.6K | $5.01 | $18K |
| 2025-09-24 | MPT | MEDICAL PROPERTIES TRUST INC | A - Grant or award | 19.3K | $0.00 | |
| 2025-09-24 | MPT | MEDICAL PROPERTIES TRUST INC | A - Grant or award | 46.0K | $0.00 | |
| 2025-07-08 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 255 | $4.35 | $1K |
| 2025-04-15 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 245 | $3.86 | $946 |
| 2025-04-03 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 255 | $5.98 | $2K |
| 2024-10-03 | MPT | MEDICAL PROPERTIES TRUST INC | F - Tax withholding / forfeiture | 500 | $5.90 | $3K |
Companies - Last 90 Days
- MEDICAL PROPERTIES TRUST INC (MPT) - 1 filing, last 2026-07-08
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Charles R. Lambert has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Michael G. Stewart - $296K of MPT open-market activity in the last 12 months
- Rosa Handley Hooper - $10K of MPT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Jorey Chernett
- John W. Childs
- Mahesh Choudhury
- Jonathan H. Cohen
- Ryan Cohen
- Charles K. Cohn
- Coliseum Capital Management, LLC
- Column Group IV GP, LP
Frequently Asked Questions
Who is Charles R. Lambert?
Charles R. Lambert is a corporate insider at MEDICAL PROPERTIES TRUST INC (MPT). Lambert has reported 10 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Charles R. Lambert submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Charles R. Lambert'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 Charles R. Lambert profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.