Matthew Linnington
Insider
First SEC filing: June 4, 2014 · Latest: June 4, 2014
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 12, 2020 | CSGP | S | 2,419 | $826.32 | $1,998,868 | 19,766 Direct | -10.90% | Disposed | -66.5% (price as of 2026-10-05) |
| March 31, 2020 | CSGP | F | 1,051 | $599.99 | $630,589 | 22,185 Direct | -4.52% | Disposed | -53.9% (price as of 2026-10-05) |
| March 2, 2020 | CSGP | F | 1,957 | $667.59 | $1,306,474 | 23,236 Direct | -7.77% | Disposed | -58.6% (price as of 2026-10-05) |
| Feb. 29, 2020 | CSGP | F | 446 | $667.59 | $297,745 | 25,193 Direct | -1.74% | Disposed | -58.6% (price as of 2026-10-05) |
| Feb. 15, 2020 | CSGP | F | 326 | $731.37 | $238,427 | 25,639 Direct | -1.26% | Disposed | -62.2% (price as of 2026-10-05) |
| Feb. 6, 2020 | CSGP | A | 2,900 | · | · | 2,900 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2020 | CSGP | A | 4,160 | · | · | 25,965 Direct | +19.08% | Acquired | (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 2,000 | · | · | 4,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 7,533 | · | · | 3,767 Direct | -66.66% | Disposed | (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 3,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| July 31, 2019 | CSGP | S | 14,651 | $617.39 | $9,045,381 | 21,805 Direct | -40.19% | Disposed | -55.2% (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 2,000 | $342.13 | $684,260 | 36,456 Direct | +5.80% | Acquired | -19.2% (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 7,533 | $204.91 | $1,543,587 | 34,456 Direct | +27.98% | Acquired | 35.0% (price as of 2026-10-05) |
| July 31, 2019 | CSGP | M | 3,500 | $182.75 | $639,625 | 26,923 Direct | +14.94% | Acquired | 51.4% (price as of 2026-10-05) |
| June 2, 2019 | CSGP | A | 1 | · | · | 23,423 Direct | 0.00% | Acquired | (price as of 2026-10-05) |
| March 31, 2019 | CSGP | F | 1,049 | $466.42 | $489,275 | 23,422 Direct | -4.29% | Disposed | -40.7% (price as of 2026-10-05) |
| March 11, 2019 | CSGP | F | 2,206 | $459.98 | $1,014,716 | 24,471 Direct | -8.27% | Disposed | -39.9% (price as of 2026-10-05) |
| March 1, 2019 | CSGP | M | 516 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 1, 2019 | CSGP | S | 4,701 | $477.31 | $2,243,834 | 26,677 Direct | -14.98% | Disposed | -42.1% (price as of 2026-10-05) |
| March 1, 2019 | CSGP | M | 516 | $193.69 | $99,944 | 31,378 Direct | +1.67% | Acquired | 42.8% (price as of 2026-10-05) |
| Feb. 28, 2019 | CSGP | F | 372 | $454.33 | $169,011 | 30,862 Direct | -1.19% | Disposed | -39.1% (price as of 2026-10-05) |
| Feb. 7, 2019 | CSGP | A | 3,800 | · | · | 3,800 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2019 | CSGP | A | 5,580 | · | · | 31,234 Direct | +21.75% | Acquired | (price as of 2026-10-05) |
| Sept. 11, 2018 | CSGP | F | 1,281 | $435.98 | $558,490 | 25,654 Direct | -4.76% | Disposed | -36.6% (price as of 2026-10-05) |
| July 30, 2018 | CSGP | M | 2,500 | · | · | 3,500 Direct | -41.67% | Disposed | (price as of 2026-10-05) |
| July 30, 2018 | CSGP | M | 1,884 | · | · | 516 Direct | -78.50% | Disposed | (price as of 2026-10-05) |
| July 30, 2018 | CSGP | S | 4,384 | $411.93 | $1,805,901 | 26,935 Direct | -14.00% | Disposed | -32.9% (price as of 2026-10-05) |
| July 30, 2018 | CSGP | M | 2,500 | $182.75 | $456,875 | 31,319 Direct | +8.67% | Acquired | 51.4% (price as of 2026-10-05) |
| July 30, 2018 | CSGP | M | 1,884 | $193.69 | $364,912 | 28,819 Direct | +6.99% | Acquired | 42.8% (price as of 2026-10-05) |
| March 31, 2018 | CSGP | F | 1,017 | $362.68 | $368,846 | 26,935 Direct | -3.64% | Disposed | -23.7% (price as of 2026-10-05) |
| March 11, 2018 | CSGP | F | 738 | $361.22 | $266,580 | 27,952 Direct | -2.57% | Disposed | -23.4% (price as of 2026-10-05) |
| March 5, 2018 | CSGP | F | 1,581 | $348.28 | $550,631 | 28,690 Direct | -5.22% | Disposed | -20.6% (price as of 2026-10-05) |
| March 2, 2018 | CSGP | M | 3,000 | · | · | 6,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 2, 2018 | CSGP | M | 3,768 | · | · | 2,400 Direct | -61.09% | Disposed | (price as of 2026-10-05) |
| March 2, 2018 | CSGP | S | 1,153 | $348.45 | $401,763 | 30,271 Direct | -3.67% | Disposed | -20.6% (price as of 2026-10-05) |
| March 2, 2018 | CSGP | S | 6,768 | $348.19 | $2,356,550 | 31,424 Direct | -17.72% | Disposed | -20.6% (price as of 2026-10-05) |
| March 2, 2018 | CSGP | M | 3,000 | $182.75 | $548,250 | 38,192 Direct | +8.52% | Acquired | 51.4% (price as of 2026-10-05) |
| March 2, 2018 | CSGP | M | 3,768 | $193.69 | $729,824 | 35,192 Direct | +11.99% | Acquired | 42.8% (price as of 2026-10-05) |
| Feb. 28, 2018 | CSGP | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2018 | CSGP | A | 5,020 | · | · | 31,424 Direct | +19.01% | Acquired | (price as of 2026-10-05) |
| Sept. 11, 2017 | CSGP | F | 1,197 | $280.40 | $335,639 | 26,404 Direct | -4.34% | Disposed | -1.4% (price as of 2026-10-05) |
| July 31, 2017 | CSGP | M | 1,032 | · | · | 6,168 Direct | -14.33% | Disposed | (price as of 2026-10-05) |
| July 31, 2017 | CSGP | S | 1,767 | $273.15 | $482,656 | 27,601 Direct | -6.02% | Disposed | 1.3% (price as of 2026-10-05) |
| July 31, 2017 | CSGP | M | 1,032 | $193.69 | $199,888 | 29,368 Direct | +3.64% | Acquired | 42.8% (price as of 2026-10-05) |
| May 1, 2017 | CSGP | S | 1,037 | $240.00 | $248,880 | 28,336 Direct | -3.53% | Disposed | 15.3% (price as of 2026-10-05) |
| March 11, 2017 | CSGP | F | 557 | $205.18 | $114,285 | 29,373 Direct | -1.86% | Disposed | 34.8% (price as of 2026-10-05) |
| March 5, 2017 | CSGP | F | 548 | $206.13 | $112,959 | 29,930 Direct | -1.80% | Disposed | 34.2% (price as of 2026-10-05) |
| March 2, 2017 | CSGP | A | 11,300 | · | · | 11,300 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2017 | CSGP | A | 10,040 | · | · | 30,478 Direct | +49.12% | Acquired | (price as of 2026-10-05) |
| Oct. 31, 2016 | CSGP | S | 1,060 | $188.31 | $199,609 | 20,438 Direct | -4.93% | Disposed | 46.9% (price as of 2026-10-05) |
| Sept. 11, 2016 | CSGP | F | 883 | $205.69 | $181,624 | 21,498 Direct | -3.95% | Disposed | 34.5% (price as of 2026-10-05) |
| March 11, 2016 | CSGP | A | 9,000 | · | · | 9,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 11, 2016 | CSGP | A | 7,380 | · | · | 22,381 Direct | +49.20% | Acquired | (price as of 2026-10-05) |
| March 5, 2016 | CSGP | F | 553 | $183.25 | $101,337 | 15,001 Direct | -3.56% | Disposed | 50.9% (price as of 2026-10-05) |
| Sept. 11, 2015 | CSGP | F | 883 | $179.24 | $158,269 | 15,554 Direct | -5.37% | Disposed | 54.3% (price as of 2026-10-05) |
| March 5, 2015 | CSGP | A | 7,200 | · | · | · Direct | · | Acquired | (price as of 2026-10-05) |
| March 5, 2015 | CSGP | A | 6,940 | · | · | 16,437 Direct | +73.08% | Acquired | (price as of 2026-10-05) |
| Sept. 11, 2014 | CSGP | A | 9,497 | · | · | 9,497 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| Feb. 6, 2020 | CSGP | Option to Acquire Common Stock | Common Stock | $666.52 | Feb. 5, 2030 | 2,900 | Acquired |
| July 31, 2019 | CSGP | Option to Acquire Common Stock | Common Stock | $342.13 | Feb. 27, 2028 | 2,000 | Disposed |
| July 31, 2019 | CSGP | Option to Acquire Common Stock | Common Stock | $204.91 | March 1, 2027 | 7,533 | Disposed |
| July 31, 2019 | CSGP | Option to Acquire Common Stock | Common Stock | $182.75 | March 10, 2026 | 3,500 | Disposed |
| March 1, 2019 | CSGP | Option to Acquire Common Stock | Common Stock | $193.69 | March 4, 2025 | 516 | Disposed |
| Feb. 7, 2019 | CSGP | Option to Acquire Common Stock | Common Stock | $398.15 | Feb. 6, 2029 | 3,800 | Acquired |
| July 30, 2018 | CSGP | Option to Acquire Common Stock | Common Stock | $182.75 | March 10, 2026 | 2,500 | Disposed |
| July 30, 2018 | CSGP | Option to Acquire Common Stock | Common Stock | $193.69 | March 4, 2025 | 1,884 | Disposed |
| March 2, 2018 | CSGP | Option to Acquire Common Stock | Common Stock | $182.75 | March 10, 2026 | 3,000 | Disposed |
| March 2, 2018 | CSGP | Option to Acquire Common Stock | Common Stock | $193.69 | March 4, 2025 | 3,768 | Disposed |
| Feb. 28, 2018 | CSGP | Option to Acquire Common Stock | Common Stock | $342.13 | Feb. 27, 2028 | 6,000 | Acquired |
| July 31, 2017 | CSGP | Option to Acquire Common Stock | Common Stock | $193.69 | March 4, 2025 | 1,032 | Disposed |
| March 2, 2017 | CSGP | Option to Acquire Common Stock | Common Stock | $204.91 | March 1, 2027 | 11,300 | Acquired |
| March 11, 2016 | CSGP | Option to Acquire Common Stock | Common Stock | $182.75 | March 10, 2026 | 9,000 | Acquired |
| March 5, 2015 | CSGP | Option to Acquire Common Stock | Common Stock | $193.69 | March 4, 2025 | 7,200 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 4, 2014 | CSGP | No securities are beneficially owned | 0 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2015 | $350,935 | · | · | · | $610,609 | · | · | $2,795,504 |
| 2014 | $222,669 | · | · | · | $254,500 | · | $12,539 | $1,989,854 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.