Mark Keith Holdsworth is a corporate insider at PARSONS CORP (PSN). Holdsworth's filing history also covers R F INDUSTRIES LTD (RFIL). Holdsworth has reported 7 insider filings with the SEC since 2024. The most recent filing was in May 2026.
Every role Mark Keith Holdsworth 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.
PARSONS CORP (PSN)3 filingsR F INDUSTRIES LTD (RFIL)4 filingsUpdated Aug 30, 2026
Mark Keith Holdsworth files SEC Form 4 reports at PARSONS CORP (PSN). 7 SEC Form 4 filings on record going back to 2024, most recently on 13 May 2026. Most recent open-market trade: bought $348K of PSN on 13 May 2026. Lifetime open-market purchases: $672K. Historical track record: 4/5 stars across 9 tracked purchases.
Every recent SEC Form 4 transaction Mark Keith Holdsworth has reported, most recent first.
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★☆ (4/5) |
| Total purchases tracked | 9 |
| Purchases with forward-return data | 9 |
| 30-day win rate | 78% |
| 90-day win rate | 11% |
| Avg 5-day return | +1.85% |
| Avg 30-day return | +3.99% |
| Avg 90-day return | -5.15% |
| Best 30-day return |
InsiderAlpha's records for Mark Keith Holdsworth go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. The typical open-market purchase is $75K (9 buys totaling $672K). The largest single buy on record is $348K of PSN in 2026. 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.
Insiders who reported open-market trades in the last 12 months at the companies Mark Keith Holdsworth files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Mark Keith Holdsworth is a corporate insider of PARSONS CORP (PSN). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
The most recent primary Form 4 on record is dated 13 May 2026, one of 7 filings going back to 2024.
Recorded transactions: 9 open-market purchases ($672K) and 0 open-market sales across all tracked filings.
Across 9 tracked purchases, Mark Keith Holdsworth averaged +4.0% avg 30-day return with a 78% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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$PSN PARSONS CORP2.9K shares @ $0.00-
| +13.64% |