Donald H Bullock
CIK 1188581 · View on SEC EDGAR ↗
Insider
First SEC filing: April 30, 2020 · Latest: Feb. 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 24, 2026 | GRC | A | 1,344 | — | — | 16,156 Direct | +9.07% | Acquired | (price as of 2026-08-21) |
| April 25, 2025 | GRC | A | 2,553 | — | — | 14,812 Direct | +20.83% | Acquired | (price as of 2026-08-21) |
| May 8, 2024 | GRC | A | 2,759 | — | — | 12,259 Direct | +29.04% | Acquired | (price as of 2026-08-21) |
| July 3, 2023 | GRC | J | 2,250 | — | — | 9,500 Direct | +31.03% | Acquired | (price as of 2026-08-21) |
| July 1, 2022 | GRC | J | 2,250 | — | — | 7,250 Direct | +45.00% | Acquired | (price as of 2026-08-21) |
| July 1, 2021 | GRC | J | 1,500 | — | — | 5,000 Direct | +42.86% | Acquired | (price as of 2026-08-21) |
| July 1, 2020 | GRC | J | 1,500 | $30.72 | $46,080 | 3,500 Direct | +75.00% | Acquired | 154.1% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 30, 2020 | GRC | Common Stock | 2,000 | Direct |