As of September 29, 2026, the three largest insider holders of GRC are Jeffrey S Gorman (Executive Chairman, 2.26Mn shares), Jeffrey S Gorman (Executive Chairman, 981.62K shares), Jeffrey S Gorman (Director, 115.60K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Jeffrey S Gorman | Executive Chairman | 0 | 2,262,871 | 2,262,871 | 84.6% | 11 May, 2026 |
| 2 | Scott A King | President And Ceo | 76,660 | 0 | 76,660 | 2.9% | 05 Mar, 2026 |
| 3 | James Kerr | Evp And Cfo | 48,349 | 0 | 48,349 | 1.8% | 05 Mar, 2026 |
| 4 | Christopher H Lake | Director | 44,945 | 0 | 44,945 | 1.7% | 24 Apr, 2026 |
| 5 | Brigette A Burnell | Evp, Gen. Counsel Secretary | 40,453 | 0 | 40,453 | 1.5% | 05 Mar, 2026 |
| 6 | Kenneth R Reynolds | Director | 35,406 | 0 | 35,406 | 1.3% | 24 Apr, 2026 |
| 7 | M Ann Harlan | Director | 32,662 | 0 | 32,662 | 1.2% | 24 Apr, 2026 |
| 8 | Rick Taylor | Director | 30,604 | 0 | 30,604 | 1.1% | 01 Jul, 2022 |
| 9 | D Patrick Wischmeier | Vp, Information Technology | 14,834 | 1,409 | 16,243 | 0.6% | 28 Aug, 2026 |
| 10 | Donald H Bullock | Director | 16,156 | 0 | 16,156 | 0.6% | 24 Apr, 2026 |
| 11 | Sonja K Mcclelland | Director | 15,826 | 0 | 15,826 | 0.6% | 24 Apr, 2026 |
| 12 | Vincent K Petrella | Director | 14,156 | 0 | 14,156 | 0.5% | 24 Apr, 2026 |
| 13 | Barbara A Woodman | Vp, Human Resources | 13,413 | 0 | 13,413 | 0.5% | 05 Mar, 2026 |
| 14 | Angela M Morehead | Treasurer And Asst. Secretary | 9,896 | 0 | 9,896 | 0.4% | 05 Mar, 2026 |
| 15 | Ronald F Stoops | Vp, Finance | 7,752 | 0 | 7,752 | 0.3% | 05 Mar, 2026 |
| 16 | Pamela A Heminger | Director | 4,915 | 0 | 4,915 | 0.2% | 24 Apr, 2026 |
| 17 | Charmaine R Riggins | Director | 3,750 | 0 | 3,750 | 0.1% | 05 Jul, 2023 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 26 Aug, 2026 | D Patrick Wischmeier | Vp, Information Technology | Disposed S | 5,153 | $77.62 | $399.98K | 1,409 | Indirect |
| 07 May, 2026 | Jeffrey S Gorman | Director, TenPercentOwner | Disposed G | 1,880 | $0.00 | $0 | 1,388,459 | Indirect |
| 07 May, 2026 | Jeffrey S Gorman | Director, TenPercentOwner | Disposed G | 1,680 | $0.00 | $0 | 113,921 | Indirect |
| 07 May, 2026 | Jeffrey S Gorman | Director, TenPercentOwner | Acquired G | 3,360 | $0.00 | $0 | 760,491 | Indirect |
| 01 Apr, 2026 | Christopher H Lake | Director | Acquired G | 1,000 | $0.00 | $0 | 43,601 | Direct |
| 24 Apr, 2026 | Kenneth R Reynolds | Director | Acquired A | 1,344 | $0.00 | $0 | 35,406 | Direct |
| 24 Apr, 2026 | Pamela A Heminger | Director | Acquired A | 1,344 | $0.00 | $0 | 4,915 | Direct |
| 24 Apr, 2026 | M Ann Harlan | Director | Acquired A | 1,344 | $0.00 | $0 | 32,662 | Direct |
| 24 Apr, 2026 | Donald H Bullock | Director | Acquired A | 1,344 | $0.00 | $0 | 16,156 | Direct |
| 24 Apr, 2026 | Sonja K Mcclelland | Director | Acquired A | 1,344 | $0.00 | $0 | 15,826 | Direct |
| 24 Apr, 2026 | Vincent K Petrella | Director | Acquired A | 1,344 | $0.00 | $0 | 14,156 | Direct |
| 24 Apr, 2026 | Christopher H Lake | Director | Acquired A | 1,344 | $0.00 | $0 | 44,945 | Direct |
| 03 Mar, 2026 | Scott A King | President And Ceo | Disposed F | 9,211 | $0.00 | $0 | 76,660 | Direct |
| 03 Mar, 2026 | James Kerr | Evp And Cfo | Disposed F | 4,275 | $0.00 | $0 | 48,349 | Direct |
| 03 Mar, 2026 | Angela M Morehead | Treasurer And Asst. Secretary | Disposed F | 924 | $0.00 | $0 | 9,896 | Direct |
| 03 Mar, 2026 | Brigette A Burnell | Evp, Gen. Counsel Secretary | Disposed F | 3,566 | $0.00 | $0 | 40,453 | Direct |
| 03 Mar, 2026 | Barbara A Woodman | Vp, Human Resources | Disposed F | 1,033 | $0.00 | $0 | 13,413 | Direct |
| 03 Mar, 2026 | Ronald F Stoops | Vp, Finance | Disposed F | 912 | $0.00 | $0 | 7,752 | Direct |
| 03 Mar, 2026 | D Patrick Wischmeier | Vp, Information Technology | Disposed F | 1,062 | $0.00 | $0 | 14,834 | Direct |
| 25 Feb, 2026 | Angela M Morehead | Treasurer And Asst. Secretary | Acquired A | 504 | $0.00 | $0 | 9,887 | Direct |