Profile
| Role | Director |
|---|---|
| Notability | 30/100 |
Board memberships
- Loar Holdings Inc.
- Builders FirstSource, Inc.
Updated Jul 16, 2026
Charles Dirkson R has filed 3 SEC Form 4 filings across 2 companies in the last 90 days — active on both sides. Lifetime open-market purchases: $39.78M. Lifetime open-market sales: $10.31M. Historical track record: 1/5 stars across 3 tracked purchases.
| Role | Director |
|---|---|
| Notability | 30/100 |
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 | ★☆☆☆☆ (1/5) |
|---|---|
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 3333% |
| 90-day win rate | 3333% |
| Avg 5-day return | -154.70% |
| Avg 30-day return | -331.77% |
| Avg 90-day return | -392.30% |
| Best 30-day return | +487.07% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-26 | DPC | DPC Holdings Ltd | P — Open-market purchase | 212.1K | $33.00 | $7.00M |
| 2026-06-26 | DPC | DPC Holdings Ltd | A — Grant or award | 23.8K | $0.00 | |
| 2026-06-26 | DPC | DPC Holdings Ltd | P — Open-market purchase | 903.4K | $33.00 | $29.81M |
| 2026-06-02 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 409 | $76.26 | $31K |
| 2026-05-18 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 2.6K | $0.00 | |
| 2026-03-13 | LOAR | Loar Holdings Inc. | P — Open-market purchase | 36.4K | $67.45 | $2.46M |
| 2026-03-13 | LOAR | Loar Holdings Inc. | P — Open-market purchase | 4.2K | $67.49 | $281K |
| 2026-03-13 | LOAR | Loar Holdings Inc. | P — Open-market purchase | 3.4K | $67.41 | $229K |
| 2026-03-03 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 299 | $104.29 | $31K |
| 2025-12-03 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 278 | $112.23 | $31K |
| 2025-09-01 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 225 | $138.68 | $31K |
| 2024-12-16 | LOAR | Loar Holdings Inc. | S — Open-market sale | 127.0K | $81.17 | $10.31M |
| 2024-12-03 | BLDR | Builders FirstSource, Inc. | A — Grant or award | 167 | $186.47 | $31K |
Charles Dirkson R is a corporate insider — currently tracked as Director of DPC Holdings Ltd (DPC). InsiderAlpha tracks every SEC Form 4 filing in real time.
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 5 open-market purchases ($39.78M) and 1 open-market sales ($10.31M) across all tracked filings.
Across 3 tracked purchases, Charles Dirkson R averaged -331.8% avg 30-day return with a 3333% 30-day win rate. InsiderAlpha rates the track record at 1/5 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 Charles Dirkson R profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.