Gary Mayo

Insider

First SEC filing: May 15, 2014 · Latest: Sept. 1, 2020

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.

Insider at

CEPL selling Nov. 15, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 41 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

41 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 29, 2020	CEPL	F	1,783	$4.12	$7,346	17,482 Direct	-9.26%	Disposed	51.7% (price as of 2026-08-20)
Aug. 30, 2019	CEPL	F	10,635	$0.65	$6,913	192,610 Direct	-5.23%	Disposed	861.5% (price as of 2026-08-20)
Aug. 29, 2019	CEPL	A	73,529	—	—	203,245 Direct	+56.68%	Acquired	(price as of 2026-08-20)
Aug. 31, 2018	CEPL	F	17,997	$1.12	$20,157	129,716 Direct	-12.18%	Disposed	458.0% (price as of 2026-08-20)
Aug. 30, 2018	CEPL	A	43,859	—	—	147,713 Direct	+42.23%	Acquired	(price as of 2026-08-20)
Aug. 31, 2017	CEPL	F	6,666	$0.64	$4,266	29,636 Direct	-18.36%	Disposed	876.6% (price as of 2026-08-20)
Aug. 31, 2017	CEPL	A	74,218	—	—	103,854 Direct	+250.43%	Acquired	(price as of 2026-08-20)
Aug. 31, 2016	CEPL	A	27,777	—	—	36,302 Direct	+325.83%	Acquired	(price as of 2026-08-20)
Aug. 29, 2016	CEPL	F	1,797	$1.73	$3,109	8,525 Direct	-17.41%	Disposed	261.3% (price as of 2026-08-20)
Aug. 28, 2015	CEPL	A	128,378	—	—	206,430 Direct	+164.48%	Acquired	(price as of 2026-08-20)
Aug. 27, 2015	CEPL	F	7,777	$0.41	$3,189	78,052 Direct	-9.06%	Disposed	1424.4% (price as of 2026-08-20)
Aug. 29, 2014	CEPL	F	8,596	$1.25	$10,745	85,829 Direct	-9.10%	Disposed	400.0% (price as of 2026-08-20)
Aug. 28, 2014	CEPL	A	27,777	—	—	94,425 Direct	+41.68%	Acquired	(price as of 2026-08-20)
Aug. 29, 2013	CEPL	A	31,532	—	—	67,479 Direct	+87.72%	Acquired	(price as of 2026-08-20)
Aug. 29, 2013	CEPL	F	9,702	$1.11	$10,769	35,947 Direct	-21.25%	Disposed	463.1% (price as of 2026-08-20)
Sept. 4, 2012	CEPL	A	1,492	$1.01	$1,507	45,649 Direct	+3.38%	Acquired	518.8% (price as of 2026-08-20)
Aug. 30, 2012	CEPL	A	34,653	—	—	44,157 Direct	+364.61%	Acquired	(price as of 2026-08-20)
June 1, 2012	CEPL	A	1,500	$1.00	$1,500	9,504 Direct	+18.74%	Acquired	525.0% (price as of 2026-08-20)
March 1, 2012	CEPL	A	1,315	$1.14	$1,499	8,004 Direct	+19.66%	Acquired	448.2% (price as of 2026-08-20)
Dec. 1, 2011	CEPL	A	1,500	$1.00	$1,500	6,689 Direct	+28.91%	Acquired	525.0% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	S	17,269	$1.23	$21,241	5,189 Direct	-76.89%	Disposed	408.1% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	S	10,000	$1.24	$12,400	22,458 Direct	-30.81%	Disposed	404.0% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	M	10,000	—	—	41,600 Direct	-19.38%	Disposed	(price as of 2026-08-20)
Nov. 15, 2011	CEPL	S	17,269	$1.24	$21,414	5,189 Direct	—	Acquired	404.0% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	S	10,000	$1.23	$12,300	22,458 Direct	-30.81%	Disposed	408.1% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	M	10,000	$0.66	$6,600	32,458 Direct	+44.53%	Acquired	847.0% (price as of 2026-08-20)
Nov. 15, 2011	CEPL	S	17,269	$1.24	$21,414	5,189 Direct	-76.89%	Disposed	404.0% (price as of 2026-08-20)
Sept. 1, 2011	CEPL	A	1,327	$1.13	$1,500	22,458 Direct	+6.28%	Acquired	453.1% (price as of 2026-08-20)
Aug. 26, 2011	CEPL	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2011	CEPL	A	898	$1.67	$1,500	21,131 Direct	+4.44%	Acquired	274.3% (price as of 2026-08-20)
March 1, 2011	CEPL	A	1,041	$1.44	$1,499	20,233 Direct	+5.42%	Acquired	334.0% (price as of 2026-08-20)
Dec. 1, 2010	CEPL	A	1,923	$0.78	$1,500	19,192 Direct	+11.14%	Acquired	701.3% (price as of 2026-08-20)
Sept. 1, 2010	CEPL	A	2,307	$0.65	$1,500	17,269 Direct	+15.42%	Acquired	861.5% (price as of 2026-08-20)
Aug. 26, 2010	CEPL	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 23, 2010	CEPL	S	462	$0.73	$337	14,962 Direct	-3.00%	Disposed	756.2% (price as of 2026-08-20)
Aug. 23, 2010	CEPL	S	12,510	$0.73	$9,132	15,424 Direct	-44.78%	Disposed	756.2% (price as of 2026-08-20)
June 1, 2010	CEPL	A	1,304	$1.15	$1,500	27,934 Direct	+4.90%	Acquired	443.5% (price as of 2026-08-20)
March 1, 2010	CEPL	A	1,239	$1.21	$1,499	26,630 Direct	+4.88%	Acquired	416.5% (price as of 2026-08-20)
Dec. 1, 2009	CEPL	A	1,136	$1.32	$1,500	25,391 Direct	+4.68%	Acquired	373.5% (price as of 2026-08-20)
Aug. 28, 2009	CEPL	S	6,700	$1.32	$8,844	24,255 Direct	-21.64%	Disposed	373.5% (price as of 2026-08-20)
Aug. 27, 2009	CEPL	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2009	CEPL	A	11,283	$0.48	$5,416	30,955 Direct	+57.36%	Acquired	1202.1% (price as of 2026-08-20)
Dec. 1, 2008	CEPL	A	8,717	$0.76	$6,625	19,672 Direct	+79.57%	Acquired	722.4% (price as of 2026-08-20)
Sept. 2, 2008	CEPL	A	2,435	$2.72	$6,623	10,955 Direct	+28.58%	Acquired	129.8% (price as of 2026-08-20)
Aug. 28, 2008	CEPL	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2008	CEPL	A	1,761	$3.76	$6,621	8,520 Direct	+26.05%	Acquired	66.2% (price as of 2026-08-20)
March 3, 2008	CEPL	A	3,599	$1.84	$6,622	6,759 Direct	+113.89%	Acquired	239.7% (price as of 2026-08-20)
Dec. 3, 2007	CEPL	A	3,160	$1.14	$3,602	3,160 Direct	—	Acquired	448.2% (price as of 2026-08-20)
Oct. 11, 2007	CEPL	A	21,600	—	—	21,600 Direct	—	Acquired	(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.

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. 15, 2011	CEPL	Stock Option (right to buy)	Common Stock (10,000)	$0.66	Aug. 26, 2020	10,000	Disposed
Aug. 26, 2011	CEPL	Stock optin (right to buy)	Common Stock (10,000)	$1.13	Aug. 26, 2021	10,000	Acquired
Aug. 26, 2010	CEPL	Stock Option (right to buy)	Common Stock (10,000)	$0.66	Aug. 26, 2020	10,000	Acquired
Aug. 27, 2009	CEPL	Stock Option (right to buy)	Common Stock (10,000)	$1.19	Aug. 27, 2019	10,000	Acquired
Aug. 28, 2008	CEPL	Stock Option (right to buy)	Common Stock (10,000)	$2.76	Aug. 28, 2018	10,000	Acquired
Oct. 11, 2007	CEPL	Stock Option	Common Stock (21,600)	$1.11	Oct. 11, 2017	21,600	Acquired

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