Michael P. McMasters

Insider

First SEC filing: Feb. 13, 2015 · Latest: Feb. 12, 2018

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

CPK selling June 15, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 26, 2019	CPK	F	4,117	$90.69	$373,371	122,969 Direct	-3.24%	Disposed	50.5% (price as of 2026-08-19)
Feb. 26, 2019	CPK	A	10,180	$90.69	$923,224	127,086 Direct	+8.71%	Acquired	50.5% (price as of 2026-08-19)
Jan. 2, 2019	CPK	A	276	$75.70	$20,893	116,702 Direct	+0.24%	Acquired	80.3% (price as of 2026-08-19)
June 15, 2018	CPK	S	4,143	$75.00	$310,725	118,932 Direct	-3.37%	Disposed	81.9% (price as of 2026-08-19)
June 15, 2018	CPK	S	200	$75.05	$15,010	118,732 Direct	-0.17%	Disposed	81.8% (price as of 2026-08-19)
June 15, 2018	CPK	S	300	$75.10	$22,530	118,432 Direct	-0.25%	Disposed	81.7% (price as of 2026-08-19)
June 15, 2018	CPK	S	100	$75.20	$7,520	118,332 Direct	-0.08%	Disposed	81.5% (price as of 2026-08-19)
June 15, 2018	CPK	S	400	$75.25	$30,100	117,932 Direct	-0.34%	Disposed	81.3% (price as of 2026-08-19)
June 15, 2018	CPK	S	1,100	$75.35	$82,885	116,832 Direct	-0.93%	Disposed	81.1% (price as of 2026-08-19)
June 15, 2018	CPK	S	200	$75.40	$15,080	116,632 Direct	-0.17%	Disposed	81.0% (price as of 2026-08-19)
June 15, 2018	CPK	S	200	$75.45	$15,090	116,432 Direct	-0.17%	Disposed	80.9% (price as of 2026-08-19)
June 15, 2018	CPK	S	100	$75.55	$7,555	116,332 Direct	-0.09%	Disposed	80.6% (price as of 2026-08-19)
June 15, 2018	CPK	S	308	$75.60	$23,285	116,024 Direct	-0.26%	Disposed	80.5% (price as of 2026-08-19)
Feb. 26, 2018	CPK	F	4,071	$68.85	$280,288	122,885 Direct	-3.21%	Disposed	98.2% (price as of 2026-08-19)
Feb. 26, 2018	CPK	A	9,959	$68.85	$685,677	126,956 Direct	+8.51%	Acquired	98.2% (price as of 2026-08-19)
June 23, 2017	CPK	S	100	$74.25	$7,425	121,838 Direct	-0.08%	Disposed	83.8% (price as of 2026-08-19)
June 23, 2017	CPK	S	200	$74.35	$14,870	121,638 Direct	-0.16%	Disposed	83.5% (price as of 2026-08-19)
June 23, 2017	CPK	S	1,000	$74.40	$74,400	120,638 Direct	-0.82%	Disposed	83.4% (price as of 2026-08-19)
June 23, 2017	CPK	S	500	$74.50	$37,250	120,138 Direct	-0.41%	Disposed	83.2% (price as of 2026-08-19)
June 23, 2017	CPK	S	1,600	$74.55	$119,280	118,538 Direct	-1.33%	Disposed	83.0% (price as of 2026-08-19)
June 23, 2017	CPK	S	600	$74.60	$44,760	117,938 Direct	-0.51%	Disposed	82.9% (price as of 2026-08-19)
June 23, 2017	CPK	S	568	$74.65	$42,401	117,370 Direct	-0.48%	Disposed	82.8% (price as of 2026-08-19)
June 23, 2017	CPK	S	810	$74.75	$60,548	116,560 Direct	-0.69%	Disposed	82.6% (price as of 2026-08-19)
June 23, 2017	CPK	S	100	$74.80	$7,480	116,460 Direct	-0.09%	Disposed	82.4% (price as of 2026-08-19)
June 23, 2017	CPK	S	22	$74.85	$1,647	116,438 Direct	-0.02%	Disposed	82.3% (price as of 2026-08-19)
Feb. 23, 2017	CPK	F	5,900	$67.40	$397,660	121,747 Direct	-4.62%	Disposed	102.5% (price as of 2026-08-19)
Feb. 23, 2017	CPK	A	12,951	$67.40	$872,897	127,647 Direct	+11.29%	Acquired	102.5% (price as of 2026-08-19)
Feb. 29, 2016	CPK	I	516	$62.65	$32,327	19,003 Indirect	-2.64%	Disposed	117.8% (price as of 2026-08-19)
Feb. 22, 2016	CPK	F	5,106	$64.00	$326,784	113,866 Direct	-4.29%	Disposed	113.2% (price as of 2026-08-19)
Feb. 22, 2016	CPK	A	15,010	$64.00	$960,640	118,972 Direct	+14.44%	Acquired	113.2% (price as of 2026-08-19)
March 3, 2015	CPK	A	13,959	$46.87	$654,258	106,801 Direct	+15.04%	Acquired	191.1% (price as of 2026-08-19)
March 3, 2015	CPK	P	0	—	—	53 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 3, 2015	CPK	P	0	—	—	19,008 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 4, 2014	CPK	A	9,564	$59.52	$569,249	63,521 Direct	+17.73%	Acquired	243.9% (price as of 2026-08-19)
March 4, 2014	CPK	F	3,081	$59.52	$183,381	60,440 Direct	-4.85%	Disposed	243.9% (price as of 2026-08-19)
March 4, 2014	CPK	P	0	—	—	34 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 4, 2014	CPK	P	0	—	—	12,284 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 13, 2013	CPK	A	7,772	$49.81	$387,123	56,029 Direct	+16.11%	Acquired	310.9% (price as of 2026-08-19)
March 13, 2013	CPK	F	3,587	$49.81	$178,668	52,442 Direct	-6.40%	Disposed	310.9% (price as of 2026-08-19)
March 13, 2013	CPK	P	0	—	—	33 Direct	0.00%	Acquired	(price as of 2026-08-19)
March 13, 2013	CPK	P	0	—	—	11,829 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 28, 2012	CPK	A	5,637	$41.92	$236,303	49,063 Direct	+12.98%	Acquired	388.3% (price as of 2026-08-19)
Feb. 28, 2012	CPK	F	2,310	$41925.00	$96,846,750	46,753 Direct	-4.71%	Disposed	-99.5% (price as of 2026-08-19)
Feb. 28, 2012	CPK	P	0	—	—	32 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 28, 2012	CPK	P	0	—	—	11,322 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 1, 2011	CPK	A	6,400	$40.28	$257,792	44,654 Direct	+16.73%	Acquired	408.2% (price as of 2026-08-19)
March 1, 2011	CPK	F	2,622	$40.28	$105,614	42,032 Direct	-5.87%	Disposed	408.2% (price as of 2026-08-19)
March 1, 2011	CPK	P	0	—	—	31 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 1, 2011	CPK	P	0	—	—	10,956 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 24, 2010	CPK	A	8,960	$30.40	$272,384	40,504 Direct	+28.40%	Acquired	573.3% (price as of 2026-08-19)
Feb. 24, 2010	CPK	F	3,671	$30.40	$111,598	36,833 Direct	-9.06%	Disposed	573.3% (price as of 2026-08-19)
Feb. 24, 2010	CPK	P	0	—	—	10,109 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 24, 2010	CPK	P	0	—	—	30 Indirect	0.00%	Acquired	(price as of 2026-08-19)
April 30, 2009	CPK	M	1,536	$29.96	$46,019	29,452 Direct	-4.96%	Disposed	583.2% (price as of 2026-08-19)
April 30, 2009	CPK	M	1,536	$29.96	$46,019	30,988 Direct	+5.22%	Acquired	583.2% (price as of 2026-08-19)
April 30, 2009	CPK	F	620	$29.96	$18,575	30,368 Direct	-2.00%	Disposed	583.2% (price as of 2026-08-19)
April 30, 2009	CPK	P	0	—	—	9,571 Indirect	0.00%	Acquired	(price as of 2026-08-19)
April 30, 2009	CPK	P	0	—	—	28 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 20, 2008	CPK	A	5,547	$30.58	$169,627	31,672 Direct	+21.23%	Acquired	569.4% (price as of 2026-08-19)
Feb. 20, 2008	CPK	F	2,236	$30.58	$68,377	29,685 Direct	-7.00%	Disposed	569.4% (price as of 2026-08-19)
Feb. 20, 2008	CPK	P	0	—	—	8,398 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 20, 2008	CPK	P	0	—	—	27 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 1, 2007	CPK	A	3,584	$30.89	$110,710	25,447 Direct	+16.39%	Acquired	562.6% (price as of 2026-08-19)
March 1, 2007	CPK	P	0	—	—	26 Indirect	0.00%	Acquired	(price as of 2026-08-19)
March 1, 2007	CPK	P	0	—	—	7,678 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 23, 2006	CPK	A	4,480	$30.40	$136,192	21,055 Direct	+27.03%	Acquired	573.3% (price as of 2026-08-19)
Feb. 23, 2006	CPK	P	0	—	—	25 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 6, 2006	CPK	P	37	$31.36	$1,160	6,982 Indirect	+0.53%	Acquired	552.7% (price as of 2026-08-19)
Dec. 22, 2005	CPK	M	2,070	$20.50	$42,435	24,911 Direct	+9.06%	Acquired	898.5% (price as of 2026-08-19)
Dec. 22, 2005	CPK	F	220	$30.72	$6,758	24,691 Direct	-0.88%	Disposed	566.3% (price as of 2026-08-19)
Dec. 22, 2005	CPK	F	1,382	$30.72	$42,455	23,309 Direct	-5.60%	Disposed	566.3% (price as of 2026-08-19)
Dec. 22, 2005	CPK	P	0	—	—	25 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Dec. 22, 2005	CPK	M	2,070	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 22, 2005	CPK	M	2,193	$20.50	$44,956	24,088 Direct	+10.02%	Acquired	898.5% (price as of 2026-08-19)
June 22, 2005	CPK	F	229	$30.48	$6,980	23,859 Direct	-0.95%	Disposed	571.6% (price as of 2026-08-19)
June 22, 2005	CPK	F	1,475	$30.48	$44,958	22,384 Direct	-6.18%	Disposed	571.6% (price as of 2026-08-19)
June 22, 2005	CPK	P	0	—	—	25 Indirect	0.00%	Acquired	(price as of 2026-08-19)
June 22, 2005	CPK	M	2,193	—	—	2,070 Direct	-51.44%	Disposed	(price as of 2026-08-19)
Feb. 24, 2005	CPK	A	3,584	$27.00	$96,768	21,394 Direct	+20.12%	Acquired	658.1% (price as of 2026-08-19)
Feb. 24, 2005	CPK	P	0	—	—	24 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Feb. 24, 2005	CPK	P	0	—	—	4,263 Direct	0.00%	Acquired	(price as of 2026-08-19)
Dec. 31, 2004	CPK	M	862	$20.50	$17,671	18,317 Direct	+4.94%	Acquired	898.5% (price as of 2026-08-19)
Dec. 31, 2004	CPK	F	76	$26.70	$2,029	18,241 Direct	-0.41%	Disposed	666.6% (price as of 2026-08-19)
Dec. 31, 2004	CPK	F	662	$26.70	$17,675	17,579 Direct	-3.63%	Disposed	666.6% (price as of 2026-08-19)
Dec. 31, 2004	CPK	P	0	—	—	24 Indirect	0.00%	Acquired	(price as of 2026-08-19)
Dec. 31, 2004	CPK	M	862	—	—	4,263 Direct	-16.82%	Disposed	(price as of 2026-08-19)
June 30, 2004	CPK	M	678	$20.50	$13,899	17,190 Direct	+4.11%	Acquired	898.5% (price as of 2026-08-19)
June 30, 2004	CPK	F	25	$22.66	$566	17,165 Direct	-0.15%	Disposed	803.3% (price as of 2026-08-19)
June 30, 2004	CPK	F	297	$22.66	$6,730	16,868 Direct	-1.73%	Disposed	803.3% (price as of 2026-08-19)
June 30, 2004	CPK	M	678	—	—	5,961 Direct	-10.21%	Disposed	(price as of 2026-08-19)
March 11, 2004	CPK	A	4,864	$25.37	$123,400	16,042 Direct	+43.51%	Acquired	706.8% (price as of 2026-08-19)
March 11, 2004	CPK	P	0	—	—	6,639 Direct	0.00%	Acquired	(price as of 2026-08-19)
Jan. 2, 2004	CPK	M	750	$20.50	$15,375	11,191 Direct	+7.18%	Acquired	898.5% (price as of 2026-08-19)
Jan. 2, 2004	CPK	F	61	$26.04	$1,588	11,130 Direct	-0.55%	Disposed	686.1% (price as of 2026-08-19)
Jan. 2, 2004	CPK	M	750	—	—	6,639 Direct	-10.15%	Disposed	(price as of 2026-08-19)
Oct. 8, 2003	CPK	M	311	$20.50	$6,376	10,386 Direct	+3.09%	Acquired	898.5% (price as of 2026-08-19)
Oct. 8, 2003	CPK	F	262	$24.36	$6,382	10,124 Direct	-2.52%	Disposed	740.3% (price as of 2026-08-19)
Oct. 8, 2003	CPK	F	16	$24.36	$390	10,108 Direct	-0.16%	Disposed	740.3% (price as of 2026-08-19)
Oct. 8, 2003	CPK	M	311	—	—	7,389 Direct	-4.04%	Disposed	(price as of 2026-08-19)

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
Dec. 22, 2005	CPK	Employee Stock Options (Rights to Buy)	Common Stock (2,070)	$20.50	Dec. 31, 2005	2,070	Disposed
June 22, 2005	CPK	Employee Stock Options (Rights to Buy)	Common Stock (2,193)	$20.50	Dec. 31, 2005	2,193	Disposed
Feb. 24, 2005	CPK	Employee Stock Options (Rights to Buy)	Common Stock (0)	$20.50	Dec. 31, 2005	0	Acquired
Dec. 31, 2004	CPK	Employee Stock Options (Rights to Buy)	Common Stock (862)	$20.50	Dec. 31, 2005	862	Disposed
June 30, 2004	CPK	Employee Stock Options (Rights to Buy)	Common Stock (678)	$20.50	Dec. 31, 2005	678	Disposed
March 11, 2004	CPK	Employee Stock Options (Rights to Buy)	Common Stock (0)	$20.50	Dec. 31, 2005	0	Acquired
Jan. 2, 2004	CPK	Employee Stock Options (Rights to Buy)	Common Stock (750)	$20.50	Dec. 31, 2005	750	Disposed
Oct. 8, 2003	CPK	Employee Stock Options (Rights to Buy)	Common Stock (311)	$20.50	Dec. 31, 2005	311	Disposed

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

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CPK

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2011	$350,000	$0	—	—	$205,800	$103,531	$39,765	$1,130,941

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.