George Overholser

Insider

First SEC filing: Sept. 29, 2005 · Latest: Sept. 29, 2005

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

CMPR buying Aug. 5, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 95 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

95 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 26, 2014	CMPR	G	1,873	—	—	81,590 Direct	-2.24%	Disposed	(price as of 2026-08-20)
Nov. 12, 2014	CMPR	A	1,451	—	—	1,451 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 12, 2014	CMPR	A	1,608	—	—	83,463 Direct	+1.96%	Acquired	(price as of 2026-08-20)
May 5, 2014	CMPR	M	14,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 5, 2014	CMPR	M	14,500	$4.11	$59,595	81,855 Direct	+21.53%	Acquired	2056.1% (price as of 2026-08-20)
Nov. 7, 2013	CMPR	A	1,776	—	—	1,776 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2013	CMPR	A	2,034	—	—	67,355 Direct	+3.11%	Acquired	(price as of 2026-08-20)
Nov. 17, 2012	CMPR	M	169	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 17, 2012	CMPR	M	169	—	—	65,321 Direct	+0.26%	Acquired	(price as of 2026-08-20)
Nov. 8, 2012	CMPR	A	3,175	—	—	3,175 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 8, 2012	CMPR	A	3,630	—	—	65,152 Direct	+5.90%	Acquired	(price as of 2026-08-20)
Aug. 17, 2012	CMPR	M	168	—	—	169 Direct	-49.85%	Disposed	(price as of 2026-08-20)
Aug. 17, 2012	CMPR	M	168	—	—	61,522 Direct	+0.27%	Acquired	(price as of 2026-08-20)
May 17, 2012	CMPR	M	168	—	—	337 Direct	-33.27%	Disposed	(price as of 2026-08-20)
May 17, 2012	CMPR	M	168	—	—	61,354 Direct	+0.27%	Acquired	(price as of 2026-08-20)
Feb. 17, 2012	CMPR	M	168	—	—	505 Direct	-24.96%	Disposed	(price as of 2026-08-20)
Feb. 17, 2012	CMPR	M	168	—	—	61,186 Direct	+0.28%	Acquired	(price as of 2026-08-20)
Nov. 17, 2011	CMPR	M	169	—	—	673 Direct	-20.07%	Disposed	(price as of 2026-08-20)
Nov. 17, 2011	CMPR	M	169	—	—	61,018 Direct	+0.28%	Acquired	(price as of 2026-08-20)
Nov. 7, 2011	CMPR	M	575	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 7, 2011	CMPR	M	575	—	—	60,849 Direct	+0.95%	Acquired	(price as of 2026-08-20)
Nov. 3, 2011	CMPR	A	2,690	—	—	2,690 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 3, 2011	CMPR	A	3,075	—	—	60,274 Direct	+5.38%	Acquired	(price as of 2026-08-20)
Nov. 3, 2011	CMPR	A	2,690	—	—	2,690 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 3, 2011	CMPR	A	3,075	—	—	60,274 Direct	+5.38%	Acquired	(price as of 2026-08-20)
Oct. 5, 2011	CMPR	M	3,978	—	—	3,183 Direct	-55.55%	Disposed	(price as of 2026-08-20)
Oct. 5, 2011	CMPR	M	3,978	$15.94	$63,409	57,199 Direct	+7.47%	Acquired	455.9% (price as of 2026-08-20)
Aug. 17, 2011	CMPR	M	168	—	—	842 Direct	-16.63%	Disposed	(price as of 2026-08-20)
Aug. 17, 2011	CMPR	M	168	—	—	53,221 Direct	+0.32%	Acquired	(price as of 2026-08-20)
Aug. 7, 2011	CMPR	M	575	—	—	575 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Aug. 7, 2011	CMPR	M	575	—	—	53,053 Direct	+1.10%	Acquired	(price as of 2026-08-20)
Aug. 7, 2011	CMPR	M	575	—	—	575 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Aug. 5, 2011	CMPR	P	9,100	$27.49	$250,159	52,478 Direct	+20.98%	Acquired	222.4% (price as of 2026-08-20)
May 17, 2011	CMPR	M	168	—	—	1,010 Direct	-14.26%	Disposed	(price as of 2026-08-20)
May 17, 2011	CMPR	M	168	—	—	43,378 Direct	+0.39%	Acquired	(price as of 2026-08-20)
May 7, 2011	CMPR	M	575	—	—	53,053 Direct	+1.10%	Acquired	(price as of 2026-08-20)
May 7, 2011	CMPR	M	575	—	—	1,150 Direct	-33.33%	Disposed	(price as of 2026-08-20)
May 7, 2011	CMPR	M	575	—	—	43,210 Direct	+1.35%	Acquired	(price as of 2026-08-20)
May 5, 2011	CMPR	P	9,100	$27.49	$250,159	52,478 Direct	+20.98%	Acquired	222.4% (price as of 2026-08-20)
Feb. 17, 2011	CMPR	M	168	—	—	1,178 Direct	-12.48%	Disposed	(price as of 2026-08-20)
Feb. 17, 2011	CMPR	M	168	—	—	42,635 Direct	+0.40%	Acquired	(price as of 2026-08-20)
Feb. 7, 2011	CMPR	M	575	—	—	1,725 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2011	CMPR	M	575	—	—	42,467 Direct	+1.37%	Acquired	(price as of 2026-08-20)
Nov. 17, 2010	CMPR	M	169	—	—	1,346 Direct	-11.16%	Disposed	(price as of 2026-08-20)
Nov. 17, 2010	CMPR	M	169	—	—	41,892 Direct	+0.41%	Acquired	(price as of 2026-08-20)
Nov. 12, 2010	CMPR	A	2,683	—	—	41,723 Direct	+6.87%	Acquired	(price as of 2026-08-20)
Nov. 12, 2010	CMPR	A	2,443	—	—	2,443 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 12, 2010	CMPR	A	2,683	—	—	79,176 Direct	+3.51%	Acquired	(price as of 2026-08-20)
Nov. 7, 2010	CMPR	M	575	—	—	2,300 Direct	-20.00%	Disposed	(price as of 2026-08-20)
Nov. 7, 2010	CMPR	M	575	—	—	76,493 Direct	+0.76%	Acquired	(price as of 2026-08-20)
Nov. 2, 2010	CMPR	M	135	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 2, 2010	CMPR	M	135	—	—	75,918 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Aug. 17, 2010	CMPR	M	168	—	—	1,515 Direct	-9.98%	Disposed	(price as of 2026-08-20)
Aug. 17, 2010	CMPR	M	168	—	—	75,783 Direct	+0.22%	Acquired	(price as of 2026-08-20)
Aug. 9, 2010	CMPR	M	575	—	—	2,875 Direct	-16.67%	Disposed	(price as of 2026-08-20)
Aug. 9, 2010	CMPR	M	575	—	—	75,615 Direct	+0.77%	Acquired	(price as of 2026-08-20)
Aug. 2, 2010	CMPR	M	134	—	—	135 Direct	-49.81%	Disposed	(price as of 2026-08-20)
Aug. 2, 2010	CMPR	M	134	—	—	75,040 Direct	+0.18%	Acquired	(price as of 2026-08-20)
May 17, 2010	CMPR	M	168	—	—	1,683 Direct	-9.08%	Disposed	(price as of 2026-08-20)
May 17, 2010	CMPR	M	168	—	—	74,906 Direct	+0.22%	Acquired	(price as of 2026-08-20)
May 7, 2010	CMPR	M	575	—	—	3,450 Direct	-14.29%	Disposed	(price as of 2026-08-20)
May 7, 2010	CMPR	M	575	—	—	74,738 Direct	+0.78%	Acquired	(price as of 2026-08-20)
May 2, 2010	CMPR	M	135	—	—	269 Direct	-33.42%	Disposed	(price as of 2026-08-20)
May 2, 2010	CMPR	M	135	—	—	74,163 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Feb. 17, 2010	CMPR	M	168	—	—	1,851 Direct	-8.32%	Disposed	(price as of 2026-08-20)
Feb. 17, 2010	CMPR	M	168	—	—	74,028 Direct	+0.23%	Acquired	(price as of 2026-08-20)
Feb. 7, 2010	CMPR	M	575	—	—	4,025 Direct	-12.50%	Disposed	(price as of 2026-08-20)
Feb. 7, 2010	CMPR	M	575	—	—	73,860 Direct	+0.78%	Acquired	(price as of 2026-08-20)
Feb. 2, 2010	CMPR	M	134	—	—	404 Direct	-24.91%	Disposed	(price as of 2026-08-20)
Feb. 2, 2010	CMPR	M	134	—	—	73,285 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Nov. 30, 2009	CMPR	M	11,000	—	—	29,000 Direct	-27.50%	Disposed	(price as of 2026-08-20)
Nov. 30, 2009	CMPR	S	23,000	$56.54	$1,300,420	73,151 Direct	-23.92%	Disposed	56.7% (price as of 2026-08-20)
Nov. 30, 2009	CMPR	M	11,000	$4.11	$45,210	73,151 Direct	+17.70%	Acquired	2056.1% (price as of 2026-08-20)
Nov. 17, 2009	CMPR	A	2,019	—	—	2,019 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 17, 2009	CMPR	A	1,919	—	—	1,919 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2009	CMPR	M	575	—	—	85,151 Direct	+0.68%	Acquired	(price as of 2026-08-20)
Nov. 7, 2009	CMPR	M	575	—	—	4,600 Direct	-11.11%	Disposed	(price as of 2026-08-20)
Nov. 2, 2009	CMPR	M	135	—	—	538 Direct	-20.06%	Disposed	(price as of 2026-08-20)
Nov. 2, 2009	CMPR	M	135	—	—	84,576 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Aug. 7, 2009	CMPR	M	575	—	—	5,175 Direct	-10.00%	Disposed	(price as of 2026-08-20)
Aug. 7, 2009	CMPR	M	575	—	—	84,441 Direct	+0.69%	Acquired	(price as of 2026-08-20)
Aug. 2, 2009	CMPR	M	134	—	—	673 Direct	-16.60%	Disposed	(price as of 2026-08-20)
Aug. 2, 2009	CMPR	M	134	—	—	83,866 Direct	+0.16%	Acquired	(price as of 2026-08-20)
May 7, 2009	CMPR	M	575	—	—	5,750 Direct	-9.09%	Disposed	(price as of 2026-08-20)
May 7, 2009	CMPR	M	575	—	—	83,732 Direct	+0.69%	Acquired	(price as of 2026-08-20)
May 2, 2009	CMPR	M	134	—	—	83,157 Direct	+0.16%	Acquired	(price as of 2026-08-20)
May 2, 2009	CMPR	M	134	—	—	807 Direct	-14.24%	Disposed	(price as of 2026-08-20)
Feb. 7, 2009	CMPR	M	575	—	—	6,325 Direct	-8.33%	Disposed	(price as of 2026-08-20)
Feb. 7, 2009	CMPR	M	575	—	—	83,023 Direct	+0.70%	Acquired	(price as of 2026-08-20)
Feb. 2, 2009	CMPR	M	135	—	—	941 Direct	-12.55%	Disposed	(price as of 2026-08-20)
Feb. 2, 2009	CMPR	M	135	—	—	82,448 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Nov. 7, 2008	CMPR	A	6,900	—	—	6,900 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 7, 2008	CMPR	A	9,548	—	—	9,548 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 2, 2008	CMPR	M	134	—	—	1,076 Direct	-11.07%	Disposed	(price as of 2026-08-20)
Nov. 2, 2008	CMPR	M	134	—	—	82,313 Direct	+0.16%	Acquired	(price as of 2026-08-20)
Aug. 2, 2008	CMPR	M	135	—	—	1,210 Direct	-10.04%	Disposed	(price as of 2026-08-20)
Aug. 2, 2008	CMPR	F	51	$30.92	$1,577	82,179 Direct	-0.06%	Disposed	186.6% (price as of 2026-08-20)
Aug. 2, 2008	CMPR	M	135	—	—	82,230 Direct	+0.16%	Acquired	(price as of 2026-08-20)
June 4, 2008	CMPR	P	7,275	$30.49	$221,815	82,095 Direct	+9.72%	Acquired	190.6% (price as of 2026-08-20)
June 4, 2008	CMPR	P	725	$30.52	$22,127	74,820 Direct	+0.98%	Acquired	190.4% (price as of 2026-08-20)

Showing latest 100 of 114 transactions

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
Nov. 12, 2014	CMPR	Share Option (right to buy)	Ordinary Shares (1,451)	$68.38	Nov. 12, 2024	1,451	Acquired
May 5, 2014	CMPR	Share Option (right to buy)	Ordinary Shares (14,500)	$4.11	July 29, 2014	14,500	Disposed
Nov. 7, 2013	CMPR	Share Option (right to buy)	Ordinary Shares (1,776)	$54.08	Nov. 7, 2023	1,776	Acquired
Nov. 17, 2012	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (169)	—	Nov. 17, 2012	169	Disposed
Nov. 8, 2012	CMPR	Share Option (right to buy)	Ordinary Shares (3,175)	$30.30	Nov. 8, 2022	3,175	Acquired
Aug. 17, 2012	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	—	Nov. 17, 2012	168	Disposed
May 17, 2012	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	—	Nov. 17, 2012	168	Disposed
Feb. 17, 2012	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	—	Nov. 17, 2012	168	Disposed
Nov. 17, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (169)	$0.00	Nov. 17, 2012	169	Disposed
Nov. 7, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Nov. 3, 2011	CMPR	Share Option (right to buy)	Ordinary Shares (2,690)	—	Nov. 3, 2021	2,690	Acquired
Nov. 3, 2011	CMPR	Share Option (right to buy)	Ordinary Shares (2,690)	$435.77	Nov. 3, 2021	2,690	Acquired
Oct. 5, 2011	CMPR	Share Option (right to buy)	Ordinary Shares (3,978)	$15.94	Nov. 7, 2018	3,978	Disposed
Aug. 17, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
Aug. 7, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	—	Nov. 7, 2011	575	Disposed
Aug. 7, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
May 17, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
May 7, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Feb. 17, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
Feb. 7, 2011	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Nov. 17, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (169)	$0.00	Nov. 17, 2012	169	Disposed
Nov. 12, 2010	CMPR	Share Option (right to buy)	Ordinary Shares (2,443)	$40.99	Nov. 12, 2020	2,443	Acquired
Nov. 7, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Nov. 2, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (135)	$0.00	Nov. 2, 2010	135	Disposed
Aug. 17, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
Aug. 9, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Aug. 2, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (134)	$0.00	Nov. 2, 2010	134	Disposed
May 17, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
May 7, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
May 2, 2010	CMPR	Restricted Share Units (right to acquire)	Ordinary Shares (135)	$0.00	Nov. 2, 2010	135	Disposed
Feb. 17, 2010	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (168)	$0.00	Nov. 17, 2012	168	Disposed
Feb. 7, 2010	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Feb. 2, 2010	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (134)	$0.00	Nov. 2, 2010	134	Disposed
Nov. 30, 2009	CMPR	Nonqualified Share Option (Right to Buy)	Ordinary Shares (11,000)	$4.11	July 29, 2014	11,000	Disposed
Nov. 17, 2009	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (2,019)	$0.00	Nov. 17, 2012	2,019	Acquired
Nov. 17, 2009	CMPR	Share Option (Right to Buy)	Ordinary Shares (1,919)	$54.46	Nov. 17, 2019	1,919	Acquired
Nov. 7, 2009	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (575)	$0.00	Nov. 7, 2011	575	Disposed
Nov. 2, 2009	CMPR	Restricted Share Units (Right to Acquire)	Ordinary Shares (135)	$0.00	Nov. 2, 2010	135	Disposed
Aug. 7, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (575)	$0.00	Nov. 7, 2018	575	Disposed
Aug. 2, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (134)	$0.00	Nov. 2, 2017	134	Disposed
May 7, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (575)	$0.00	Nov. 7, 2018	575	Disposed
May 2, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (134)	$0.00	Nov. 2, 2017	134	Disposed
Feb. 7, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (575)	$0.00	Nov. 7, 2018	575	Disposed
Feb. 2, 2009	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (135)	$0.00	Nov. 2, 2017	135	Disposed
Nov. 7, 2008	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (6,900)	$0.00	Nov. 7, 2018	6,900	Acquired
Nov. 7, 2008	CMPR	Share Option (Right to Buy)	Common Shares (9,548)	$15.94	Nov. 7, 2018	9,548	Acquired
Nov. 2, 2008	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (134)	$0.00	Nov. 2, 2017	134	Disposed
Aug. 2, 2008	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (135)	$0.00	Nov. 2, 2017	135	Disposed
May 2, 2008	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (134)	$0.00	Nov. 2, 2017	134	Disposed
Feb. 2, 2008	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (134)	$0.00	Nov. 2, 2017	134	Disposed
Nov. 2, 2007	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (1,613)	$0.00	Nov. 2, 2017	1,613	Acquired
Nov. 2, 2007	CMPR	Share Option (Right to Buy)	Common Shares (2,269)	$46.18	Nov. 2, 2017	2,269	Acquired
Nov. 2, 2007	CMPR	Restricted Share Units (Right to Acquire)	Common Shares (1,613)	$0.00	Nov. 2, 2017	1,613	Acquired
Nov. 2, 2007	CMPR	Share Option (Right to Buy)	Common Shares (2,269)	$46.18	Nov. 2, 2017	2,269	Acquired
Nov. 14, 2006	CMPR	Share Option (Right to Buy)	Common Shares (2,925)	$33.24	Nov. 14, 2016	2,925	Acquired
Oct. 5, 2005	CMPR	Series B Convertible Preferred Shares	Common Shares	—	—	60,827	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Sept. 29, 2005	CMPR	Nonqualified Share Option (Right to Buy)→ Common Shares (40,000)	40,000	Direct
Sept. 29, 2005	CMPR	Series B Convertible Preferred Shares→ Common Shares (60,827)	60,827	Direct