On this page
Charles H Still
Insider
First SEC filing: May 1, 2012 · Latest: May 1, 2012
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 6, 2020 | GEOS | A | 2,200 | · | · | 13,600 Direct | +19.30% | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2019 | GEOS | A | 2,000 | · | · | 11,400 Direct | +21.28% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2018 | GEOS | A | 2,400 | · | · | 9,400 Direct | +34.29% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2017 | GEOS | A | 1,000 | · | · | 7,000 Direct | +16.67% | Acquired | (price as of 2026-10-05) |
| Feb. 12, 2015 | GEOS | A | 500 | · | · | 6,000 Direct | +9.09% | Acquired | (price as of 2026-10-05) |
| Sept. 8, 2014 | MMLP | P | 400 | $38.28 | $15,312 | 10,000 Direct | +4.17% | Acquired | -94.5% (price as of 2026-10-05) |
| Feb. 25, 2014 | MMLP | A | 1,600 | · | · | 9,600 Direct | +20.00% | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2014 | GEOS | A | 500 | · | · | 5,500 Direct | +10.00% | Acquired | (price as of 2026-10-05) |
| Nov. 13, 2013 | MMLP | P | 500 | $46.22 | $23,110 | 8,000 Direct | +6.67% | Acquired | -95.5% (price as of 2026-10-05) |
| April 29, 2013 | MMLP | A | 1,500 | · | · | 7,500 Direct | +25.00% | Acquired | (price as of 2026-10-05) |
| Nov. 16, 2012 | MMLP | A | 1,500 | · | · | 6,000 Direct | +33.33% | Acquired | (price as of 2026-10-05) |
| April 30, 2012 | MMLP | A | 1,250 | · | · | 4,500 Direct | +38.46% | Acquired | (price as of 2026-10-05) |
| March 9, 2012 | MMLP | P | 200 | $33.69 | $6,738 | 3,250 Direct | +6.56% | Acquired | -93.8% (price as of 2026-10-05) |
| May 2, 2011 | MMLP | A | 1,250 | · | · | 3,050 Direct | +69.44% | Acquired | (price as of 2026-10-05) |
| Aug. 19, 2010 | MMLP | P | 300 | $29.64 | $8,892 | 1,800 Direct | +20.00% | Acquired | -92.9% (price as of 2026-10-05) |
| Aug. 2, 2010 | MMLP | A | 1,500 | · | · | 1,500 Direct | · | Acquired | (price as of 2026-10-05) |
| May 29, 2009 | GEOS | P | 400 | $13.00 | $5,200 | 2,500 Direct | +19.05% | Acquired | -26.9% (price as of 2026-10-05) |
| Dec. 10, 2008 | GEOS | P | 1,000 | $16.29 | $16,290 | 2,100 Direct | +90.91% | Acquired | -41.7% (price as of 2026-10-05) |
| March 10, 2008 | GEOS | P | 200 | $42.00 | $8,400 | 1,100 Direct | +22.22% | Acquired | -77.4% (price as of 2026-10-05) |
| March 5, 2008 | GEOS | P | 100 | $43.98 | $4,398 | 900 Direct | +12.50% | Acquired | -78.4% (price as of 2026-10-05) |
| Feb. 21, 2008 | GEOS | P | 218 | $48.25 | $10,518 | 800 Direct | +37.46% | Acquired | -80.3% (price as of 2026-10-05) |
| March 6, 2007 | GEOS | S | 9,450 | $68.74 | $649,593 | 1,164 Direct | -89.03% | Disposed | -86.2% (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | · | · | 3,150 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | · | · | 6,300 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | $47.35 | $149,152 | 10,614 Direct | +42.20% | Acquired | -79.9% (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | $25.25 | $79,538 | 7,464 Direct | +73.02% | Acquired | -62.4% (price as of 2026-10-05) |
| March 2, 2007 | GEOS | M | 3,150 | $27.50 | $86,625 | 4,314 Direct | +270.62% | Acquired | -65.5% (price as of 2026-10-05) |
| Aug. 15, 2006 | GEOS | M | 881 | · | · | 9,450 Direct | -8.53% | Disposed | (price as of 2026-10-05) |
| Aug. 15, 2006 | GEOS | S | 881 | $52.50 | $46,252 | 1,164 Direct | -43.08% | Disposed | -81.9% (price as of 2026-10-05) |
| Aug. 15, 2006 | GEOS | M | 881 | $6.81 | $6,000 | 2,045 Direct | +75.69% | Acquired | 39.5% (price as of 2026-10-05) |
| Aug. 14, 2006 | GEOS | M | 2,269 | · | · | 10,331 Direct | -18.01% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2006 | GEOS | M | 2,027 | · | · | 12,600 Direct | -13.86% | Disposed | (price as of 2026-10-05) |
| Aug. 14, 2006 | GEOS | S | 4,296 | $52.65 | $226,184 | 1,164 Direct | -78.68% | Disposed | -82.0% (price as of 2026-10-05) |
| Aug. 14, 2006 | GEOS | M | 2,269 | $6.81 | $15,452 | 5,460 Direct | +71.11% | Acquired | 39.5% (price as of 2026-10-05) |
| Aug. 14, 2006 | GEOS | M | 2,027 | $6.94 | $14,067 | 3,191 Direct | +174.14% | Acquired | 36.9% (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 1,123 | · | · | 14,627 Direct | -7.13% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 3,150 | · | · | 15,750 Direct | -16.67% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 3,150 | · | · | 18,900 Direct | -14.29% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 1,935 | · | · | 22,050 Direct | -8.07% | Disposed | (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | S | 9,358 | $52.78 | $493,915 | 1,164 Direct | -88.94% | Disposed | -82.0% (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 1,123 | $6.94 | $7,794 | 10,522 Direct | +11.95% | Acquired | 36.9% (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 3,150 | $13.24 | $41,706 | 9,399 Direct | +50.41% | Acquired | -28.2% (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 3,150 | $15.13 | $47,660 | 6,249 Direct | +101.65% | Acquired | -37.2% (price as of 2026-10-05) |
| Aug. 11, 2006 | GEOS | M | 1,935 | $17.69 | $34,230 | 3,099 Direct | +166.24% | Acquired | -46.3% (price as of 2026-10-05) |
| Aug. 10, 2006 | GEOS | M | 1,215 | · | · | 23,985 Direct | -4.82% | Disposed | (price as of 2026-10-05) |
| Aug. 10, 2006 | GEOS | M | 3,150 | · | · | 25,200 Direct | -11.11% | Disposed | (price as of 2026-10-05) |
| Aug. 10, 2006 | GEOS | S | 4,365 | $53.02 | $231,432 | 1,164 Direct | -78.95% | Disposed | -82.1% (price as of 2026-10-05) |
| Aug. 10, 2006 | GEOS | M | 1,215 | $17.69 | $21,493 | 5,529 Direct | -18.02% | Disposed | -46.3% (price as of 2026-10-05) |
| Aug. 10, 2006 | GEOS | M | 3,150 | $19.25 | $60,638 | 4,314 Direct | -42.20% | Disposed | -50.6% (price as of 2026-10-05) |
| March 8, 2006 | GEOS | M | 6,300 | · | · | 28,350 Direct | -18.18% | Disposed | (price as of 2026-10-05) |
| March 8, 2006 | GEOS | S | 6,300 | $46.04 | $290,052 | 1,164 Direct | -84.41% | Disposed | -79.4% (price as of 2026-10-05) |
| March 8, 2006 | GEOS | M | 6,300 | $14.00 | $88,200 | 7,464 Direct | +541.24% | Acquired | -32.1% (price as of 2026-10-05) |
| March 1, 2006 | GEOS | S | 7,000 | $49.90 | $349,300 | 32,664 Direct | -17.65% | Disposed | -81.0% (price as of 2026-10-05) |
| Feb. 8, 2006 | GEOS | A | 317 | · | · | 36,514 Direct | +0.88% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2006 | GEOS | A | 3,150 | · | · | 34,650 Direct | +10.00% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2005 | GEOS | A | 3,150 | · | · | 31,500 Direct | +11.11% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2005 | GEOS | A | 780 | · | · | 36,197 Direct | +2.20% | Acquired | (price as of 2026-10-05) |
| Jan. 12, 2004 | GEOS | A | 3,150 | · | · | · Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 9, 2004 | GEOS | A | 707 | · | · | 35,417 Direct | +2.04% | Acquired | (price as of 2026-10-05) |
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.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 2, 2007 | GEOS | Options (right to buy) | Common Stock | $47.35 | Feb. 8, 2016 | 3,150 | Disposed |
| March 2, 2007 | GEOS | Options (right to buy) | Common Stock | $25.25 | Jan. 26, 2011 | 3,150 | Disposed |
| March 2, 2007 | GEOS | Options (right to buy) | Common Stock | $27.50 | June 30, 2008 | 3,150 | Disposed |
| Aug. 15, 2006 | GEOS | Options (right to buy) | Common Stock | $6.81 | March 2, 2009 | 881 | Disposed |
| Aug. 14, 2006 | GEOS | Options (right to buy) | Common Stock | $6.81 | March 2, 2009 | 2,269 | Disposed |
| Aug. 14, 2006 | GEOS | Options (right to buy) | Common Stock | $6.94 | March 3, 2013 | 2,027 | Disposed |
| Aug. 11, 2006 | GEOS | Options (right to buy) | Common Stock | $6.94 | March 3, 2013 | 1,123 | Disposed |
| Aug. 11, 2006 | GEOS | Options (right to buy) | Common Stock | $13.24 | Feb. 28, 2012 | 3,150 | Disposed |
| Aug. 11, 2006 | GEOS | Options (right to buy) | Common Stock | $15.13 | Jan. 31, 2010 | 3,150 | Disposed |
| Aug. 11, 2006 | GEOS | Options (right to buy) | Common Stock | $17.69 | Jan. 12, 2014 | 1,935 | Disposed |
| Aug. 10, 2006 | GEOS | Options (right to buy) | Common Stock | $17.69 | Jan. 12, 2014 | 1,215 | Disposed |
| Aug. 10, 2006 | GEOS | Options (right to buy) | Common Stock | $19.25 | Feb. 8, 2015 | 3,150 | Disposed |
| March 8, 2006 | GEOS | Options (right to buy) | Common Stock | $14.00 | Nov. 26, 2007 | 6,300 | Disposed |
| Feb. 8, 2006 | GEOS | Options (right to buy) | Common Stock | $45.40 | Feb. 8, 2016 | 3,150 | Acquired |
| Feb. 8, 2005 | GEOS | Options (right to buy) | Common Stock | $19.25 | Feb. 8, 2015 | 3,150 | Acquired |
| Jan. 12, 2004 | GEOS | Options (right to buy) | Common Stock | $17.69 | Jan. 12, 2014 | 3,150 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).