Updated Jul 16, 2026
Miller Matthew Reade has filed 4 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $727K. Historical track record: 3/5 stars across 8 tracked purchases.
Matthew Alan Miller is a former American public official who was spokesperson for the United States Department of State from 2023 to 2025. A longtime Democratic Party communications operative, he previously served in the Obama administration and for multiple Democratic presidential campaigns.
| Role | Director |
|---|---|
| Notability | 75/100 |
| Links | Wikipedia |
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.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 8 |
| Purchases with forward-return data | 8 |
| 30-day win rate | 7500% |
| 90-day win rate | 0% |
| Avg 5-day return | +85.06% |
| Avg 30-day return | +274.75% |
| Avg 90-day return | -526.40% |
| Best 30-day return | +1393.03% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | GRNT | Granite Ridge Resources, Inc. | A — Grant or award | 4.3K | $0.00 | |
| 2026-06-16 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 696 | $4.97 | $3K |
| 2026-06-09 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 10.6K | $4.75 | $50K |
| 2026-05-13 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 18.2K | $5.21 | $95K |
| 2026-04-02 | GRNT | Granite Ridge Resources, Inc. | A — Grant or award | 3.2K | $0.00 | |
| 2026-03-17 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 658 | $5.15 | $3K |
| 2026-03-11 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 10.0K | $5.10 | $51K |
| 2025-12-05 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 9.4K | $5.33 | $50K |
| 2025-09-30 | GRNT | Granite Ridge Resources, Inc. | A — Grant or award | 3.5K | $0.00 | |
| 2025-09-15 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 600 | $5.35 | $3K |
| 2025-08-12 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 18.7K | $5.36 | $100K |
| 2025-06-30 | GRNT | Granite Ridge Resources, Inc. | A — Grant or award | 2.9K | $0.00 | |
| 2024-12-17 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 506 | $6.03 | $3K |
| 2024-12-16 | GRNT | Granite Ridge Resources, Inc. | J — Other acquisition / disposition | 457.0K | $0.00 | |
| 2024-12-06 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 41.0K | $6.10 | $250K |
| 2024-11-21 | GRNT | Granite Ridge Resources, Inc. | P — Open-market purchase | 18.2K | $6.49 | $118K |
Matthew Alan Miller is a former American public official who was spokesperson for the United States Department of State from 2023 to 2025. A longtime Democratic Party communications operative, he previously served in the Obama administration and for multiple Democratic presidential campaigns.…
4 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 11 open-market purchases ($727K) and 0 open-market sales () across all tracked filings.
Across 8 tracked purchases, Miller Matthew Reade averaged +274.7% avg 30-day return with a 7500% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
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.
Open the live Miller Matthew Reade profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.