Shelley F. Appel - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Shelley F. Appel has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $287K.
Profile
Shelley F. Appel is Director at Matador Resources Co (MTDR). Appel has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- Matador Resources Co
Reported roles
- Director
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| Total purchases tracked | 8 |
|---|
Trading Pattern
InsiderAlpha's records for Shelley F. Appel go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $36K (8 buys totaling $287K). The largest single buy on record is $71K of MTDR in 2025. 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 Shelley F. Appel 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 Matador Resources Co (MTDR) - 3 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-15 | MTDR | Matador Resources Co | A - Grant or award | 3.6K | $0.00 | |
| 2025-11-06 | MTDR | Matador Resources Co | P - Open-market purchase | 1.2K | $38.00 | $46K |
| 2025-11-06 | MTDR | Matador Resources Co | P - Open-market purchase | 189 | $38.10 | $7K |
| 2025-11-06 | MTDR | Matador Resources Co | P - Open-market purchase | 153 | $37.55 | $6K |
| 2025-11-06 | MTDR | Matador Resources Co | P - Open-market purchase | 1.3K | $37.52 | $50K |
| 2025-11-03 | MTDR | Matador Resources Co | P - Open-market purchase | 510 | $39.25 | $20K |
| 2025-11-03 | MTDR | Matador Resources Co | P - Open-market purchase | 636 | $39.30 | $25K |
| 2025-11-03 | MTDR | Matador Resources Co | P - Open-market purchase | 1.8K | $39.85 | $71K |
| 2025-11-03 | MTDR | Matador Resources Co | P - Open-market purchase | 1.6K | $39.90 | $62K |
Companies - Last 90 Days
- Matador Resources Co (MTDR) - 1 filing, last 2026-06-15
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Shelley F. Appel 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.
- Joseph Wm Foran - $1.57M of MTDR open-market activity in the last 12 months
- Christopher P. Calvert - $226K of MTDR open-market activity in the last 12 months
- Susan M. Ward - $195K of MTDR open-market activity in the last 12 months
- Glenn W. Stetson - $106K of MTDR open-market activity in the last 12 months
- Robert T. Macalik - $98K of MTDR open-market activity in the last 12 months
- Bryan A. Erman - $64K of MTDR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Silver Point Capital L.P.
- SilverBay Capital Management LLC
- Michael Simanovsky
- Bob R. Simpson
- Ranbir Singh
- Ross Jeffery Sklar
- Barry Sloane
- Ryan Lewis Smith
Frequently Asked Questions
Who is Shelley F. Appel?
Shelley F. Appel is Director at Matador Resources Co (MTDR). Appel has reported 3 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Shelley F. Appel submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Shelley F. Appel been buying or selling stock?
Recorded transactions: 8 open-market purchases ($287K) and 0 open-market sales across all tracked filings.
How accurate is Shelley F. Appel's historical track record?
Across 8 tracked purchases, Shelley F. Appel averaged no 30-day data yet with a win rate pending. InsiderAlpha rates the track record at –/5 stars.
Where can I see all of Shelley F. Appel'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 Shelley F. Appel profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.