Christopher H Lake
CIK 1236335 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 14, 2024 · Latest: Feb. 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 26 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
26 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 5, 2021 | GRC | S | 200 | $34.77 | $6,954 | 24,041 Indirect | -0.83% | Disposed | 124.5% (price as of 2026-08-20) |
| Aug. 5, 2021 | GRC | S | 500 | $35.01 | $17,505 | 23,541 Indirect | -2.08% | Disposed | 123.0% (price as of 2026-08-20) |
| Aug. 5, 2021 | GRC | S | 1,000 | $34.92 | $34,920 | 22,541 Indirect | -4.25% | Disposed | 123.6% (price as of 2026-08-20) |
| May 13, 2021 | GRC | S | 500 | $34.70 | $17,350 | 24,241 Indirect | -2.02% | Disposed | 125.0% (price as of 2026-08-20) |
| Nov. 9, 2020 | GRC | S | 1,000 | $35.55 | $35,550 | 23,541 Indirect | -4.07% | Disposed | 119.6% (price as of 2026-08-20) |
| Nov. 9, 2020 | GRC | S | 500 | $35.43 | $17,715 | 24,541 Indirect | -2.00% | Disposed | 120.3% (price as of 2026-08-20) |
| Aug. 5, 2020 | GRC | S | 500 | $31.55 | $15,775 | 25,041 Indirect | -1.96% | Disposed | 147.4% (price as of 2026-08-20) |
| March 5, 2020 | GRC | S | 3,000 | $32.53 | $97,590 | 25,541 Indirect | -10.51% | Disposed | 140.0% (price as of 2026-08-20) |
| Oct. 31, 2019 | GRC | S | 500 | $36.48 | $18,240 | 26,801 Indirect | -1.83% | Disposed | 114.0% (price as of 2026-08-20) |
| Oct. 31, 2019 | GRC | S | 1,000 | $36.44 | $36,440 | 27,301 Indirect | -3.53% | Disposed | 114.2% (price as of 2026-08-20) |
| Oct. 31, 2019 | GRC | S | 500 | $36.47 | $18,235 | 28,301 Indirect | -1.74% | Disposed | 114.1% (price as of 2026-08-20) |
| May 3, 2019 | GRC | S | 1,500 | $33.08 | $49,620 | 28,801 Indirect | -4.95% | Disposed | 136.0% (price as of 2026-08-20) |
| May 3, 2019 | GRC | S | 1,000 | $32.93 | $32,930 | 30,301 Indirect | -3.19% | Disposed | 137.1% (price as of 2026-08-20) |
| March 7, 2019 | GRC | S | 2,000 | $33.07 | $66,140 | 31,301 Indirect | -6.01% | Disposed | 136.1% (price as of 2026-08-20) |
| Aug. 17, 2018 | GRC | S | 2,000 | $36.69 | $73,380 | 31,930 Indirect | -5.89% | Disposed | 112.8% (price as of 2026-08-20) |
| May 11, 2018 | GRC | S | 1,500 | $33.24 | $49,860 | 33,930 Indirect | -4.23% | Disposed | 134.9% (price as of 2026-08-20) |
| Feb. 27, 2018 | GRC | S | 500 | $27.83 | $13,915 | 35,430 Indirect | -1.39% | Disposed | 180.5% (price as of 2026-08-20) |
| Nov. 3, 2017 | GRC | S | 1,000 | $31.75 | $31,750 | 35,052 Indirect | -2.77% | Disposed | 145.9% (price as of 2026-08-20) |
| Nov. 3, 2017 | GRC | S | 1,500 | $31.76 | $47,640 | 36,052 Indirect | -3.99% | Disposed | 145.8% (price as of 2026-08-20) |
| Aug. 18, 2017 | GRC | S | 1,200 | $27.25 | $32,700 | 37,552 Indirect | -3.10% | Disposed | 186.5% (price as of 2026-08-20) |
| Aug. 18, 2017 | GRC | S | 1,000 | $27.20 | $27,200 | 38,752 Indirect | -2.52% | Disposed | 187.0% (price as of 2026-08-20) |
| March 14, 2017 | GRC | S | 1,000 | $30.27 | $30,270 | 39,752 Indirect | -2.45% | Disposed | 157.9% (price as of 2026-08-20) |
| March 14, 2017 | GRC | S | 1,500 | $30.43 | $45,645 | 40,752 Indirect | -3.55% | Disposed | 156.6% (price as of 2026-08-20) |
| Nov. 9, 2016 | GRC | S | 1,000 | $26.38 | $26,380 | 42,252 Indirect | -2.31% | Disposed | 195.9% (price as of 2026-08-20) |
| Nov. 9, 2016 | GRC | S | 1,000 | $26.51 | $26,510 | 43,252 Indirect | -2.26% | Disposed | 194.5% (price as of 2026-08-20) |
| May 6, 2016 | GRC | S | 3,000 | $27.81 | $83,430 | 44,252 Indirect | -6.35% | Disposed | 180.7% (price as of 2026-08-20) |
| Oct. 28, 2015 | GRC | S | 2,000 | $28.06 | $56,120 | 47,252 Indirect | -4.06% | Disposed | 178.2% (price as of 2026-08-20) |
| May 13, 2015 | GRC | S | 500 | $27.09 | $13,545 | 49,252 Indirect | -1.00% | Disposed | 188.2% (price as of 2026-08-20) |
| May 13, 2015 | GRC | S | 500 | $27.05 | $13,525 | 19,407 Direct | -2.51% | Disposed | 188.6% (price as of 2026-08-20) |
| March 18, 2014 | GRC | S | 1,400 | $32.01 | $44,814 | 47,952 Indirect | -2.84% | Disposed | 143.9% (price as of 2026-08-20) |
| March 18, 2014 | GRC | S | 400 | $32.01 | $12,804 | 16,436 Direct | -2.38% | Disposed | 143.9% (price as of 2026-08-20) |
| April 2, 2013 | GRC | S | 700 | $29.11 | $20,377 | 39,561 Indirect | -1.74% | Disposed | 235.2% (price as of 2026-08-20) |
| April 2, 2013 | GRC | S | 400 | $29.11 | $11,644 | 12,120 Direct | -3.19% | Disposed | 235.2% (price as of 2026-08-20) |
| May 11, 2012 | GRC | S | 400 | $29.04 | $11,616 | 10,660 Direct | -3.62% | Disposed | 236.0% (price as of 2026-08-20) |
| May 11, 2012 | GRC | S | 500 | $29.04 | $14,520 | 38,111 Indirect | -1.29% | Disposed | 236.0% (price as of 2026-08-20) |
| April 5, 2011 | GRC | S | 700 | $40.00 | $28,000 | 7,365 Direct | -8.68% | Disposed | 205.0% (price as of 2026-08-20) |
| Feb. 24, 2011 | GRC | S | 121 | $36.05 | $4,362 | 29,181 Indirect | -0.41% | Disposed | 238.4% (price as of 2026-08-20) |
| Feb. 23, 2011 | GRC | S | 400 | $35.90 | $14,360 | 29,302 Indirect | -1.35% | Disposed | 239.8% (price as of 2026-08-20) |
| Feb. 23, 2011 | GRC | S | 279 | $35.99 | $10,041 | 29,702 Indirect | -0.93% | Disposed | 238.9% (price as of 2026-08-20) |
| Jan. 25, 2011 | GRC | S | 300 | $30.86 | $9,258 | 29,981 Indirect | -0.99% | Disposed | 295.3% (price as of 2026-08-20) |
| April 27, 2009 | GRC | S | 1,000 | $20.62 | $20,620 | 5,235 Direct | -16.04% | Disposed | 491.6% (price as of 2026-08-20) |
| Sept. 25, 2008 | GRC | S | 200 | $41.37 | $8,274 | 23,581 Indirect | -0.84% | Disposed | 194.9% (price as of 2026-08-20) |
| May 6, 2008 | GRC | S | 200 | $37.28 | $7,456 | 23,781 Indirect | -0.83% | Disposed | 227.2% (price as of 2026-08-20) |
| May 6, 2008 | GRC | S | 1,000 | $37.16 | $37,160 | 23,981 Indirect | -4.00% | Disposed | 228.3% (price as of 2026-08-20) |
| May 6, 2008 | GRC | S | 1,000 | $36.99 | $36,990 | 24,981 Indirect | -3.85% | Disposed | 229.8% (price as of 2026-08-20) |
| Nov. 27, 2007 | GRC | S | 100 | $37.25 | $3,725 | 19,266 Indirect | -0.52% | Disposed | 309.3% (price as of 2026-08-20) |
| Nov. 27, 2007 | GRC | S | 100 | $37.27 | $3,727 | 19,366 Indirect | -0.51% | Disposed | 309.1% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 500 | $32.36 | $16,180 | 19,466 Indirect | -2.50% | Disposed | 371.2% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 300 | $32.50 | $9,750 | 3,749 Direct | -7.41% | Disposed | 369.2% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 100 | $32.48 | $3,248 | 4,049 Direct | -2.41% | Disposed | 369.5% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 200 | $32.43 | $6,486 | 4,149 Direct | -4.60% | Disposed | 370.2% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 100 | $32.40 | $3,240 | 4,349 Direct | -2.25% | Disposed | 370.6% (price as of 2026-08-20) |
| April 12, 2007 | GRC | S | 300 | $32.39 | $9,717 | 4,449 Direct | -6.32% | Disposed | 370.8% (price as of 2026-08-20) |
| Oct. 12, 2006 | GRC | S | 200 | $32.94 | $6,588 | 14,714 Indirect | -1.34% | Disposed | 478.6% (price as of 2026-08-20) |
| Oct. 12, 2006 | GRC | S | 300 | $32.85 | $9,855 | 14,914 Indirect | -1.97% | Disposed | 480.2% (price as of 2026-08-20) |
| March 2, 2006 | GRC | S | 500 | $23.45 | $11,725 | 15,214 Indirect | -3.18% | Disposed | 712.8% (price as of 2026-08-20) |
| Sept. 9, 2004 | GRC | S | 200 | $26.67 | $5,334 | 2,540 Direct | -7.30% | Disposed | 793.3% (price as of 2026-08-20) |
| Sept. 9, 2004 | GRC | S | 300 | $26.75 | $8,025 | 9,660 Indirect | -3.01% | Disposed | 790.7% (price as of 2026-08-20) |
| Sept. 9, 2004 | GRC | S | 200 | $26.85 | $5,370 | 9,960 Indirect | -1.97% | Disposed | 787.3% (price as of 2026-08-20) |
| Sept. 9, 2004 | GRC | S | 300 | $26.60 | $7,980 | 2,240 Direct | -11.81% | Disposed | 795.7% (price as of 2026-08-20) |
| Jan. 16, 2004 | GRC | S | 200 | $27.00 | $5,400 | 10,160 Indirect | -1.93% | Disposed | 782.4% (price as of 2026-08-20) |
| Jan. 16, 2004 | GRC | S | 200 | $26.70 | $5,340 | 10,360 Indirect | -1.89% | Disposed | 792.3% (price as of 2026-08-20) |
| Jan. 16, 2004 | GRC | S | None | $27.00 | — | 8,560 Indirect | — | Disposed | 782.4% (price as of 2026-08-20) |
| Jan. 16, 2004 | GRC | S | 200 | $26.70 | $5,340 | 8,760 Indirect | -2.23% | Disposed | 792.3% (price as of 2026-08-20) |
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.