SEC Form 4 · accession 0001463252-15-000066

· PLT

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Joseph B Burton

Officer — TOP DEVELOPMENT ENGINEERING EX

Period of report

Jul 30, 2015

Accepted (ET)

Aug 3, 2015 · 6:26 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000914025

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
COMMON STOCK	Jul 30, 2015	M	500	$35.16	A	58,940	D
COMMON STOCK	Jul 30, 2015	S	500	$57.27	D	58,440	D
COMMON STOCK	Jul 30, 2015	M	100	$35.16	A	58,540	D
COMMON STOCK	Jul 30, 2015	S	100	$57.25	D	58,440	D
COMMON STOCK	Jul 30, 2015	M	100	$35.16	A	58,540	D
COMMON STOCK	Jul 30, 2015	S	100	$57.12	D	58,440	D
COMMON STOCK	Jul 30, 2015	M	400	$35.16	A	58,840	D
COMMON STOCK	Jul 30, 2015	S	400	$57.10	D	58,440	D
COMMON STOCK	Jul 30, 2015	M	300	$35.16	A	58,740	D
COMMON STOCK	Jul 30, 2015	S	300	$57.03	D	58,440	D

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	600	D	May 4, 2013	May 4, 2019	COMMON STOCK	600	3,400	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	200	D	May 4, 2013	May 4, 2019	COMMON STOCK	200	3,200	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	100	D	May 4, 2013	May 4, 2019	COMMON STOCK	100	3,100	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	300	D	May 4, 2013	May 4, 2019	COMMON STOCK	300	2,800	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	400	D	May 4, 2013	May 4, 2019	COMMON STOCK	400	2,400	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	100	D	May 4, 2013	May 4, 2019	COMMON STOCK	100	2,300	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	300	D	May 4, 2013	May 4, 2019	COMMON STOCK	300	2,000	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	535	D	May 4, 2013	May 4, 2019	COMMON STOCK	535	1,465	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	715	D	May 4, 2013	May 4, 2019	COMMON STOCK	715	750	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	500	D	May 4, 2013	May 4, 2019	COMMON STOCK	500	250	D
Non-Qualified Stock Option (right to buy)^F1	$32.07	Jul 30, 2015	M	250	D	May 4, 2013	May 4, 2019	COMMON STOCK	250	0	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	150	D	May 23, 2012	May 23, 2018	COMMON STOCK	150	19,850	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	19,650	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	19,450	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	250	D	May 23, 2012	May 23, 2018	COMMON STOCK	250	19,200	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	19,000	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	400	D	May 23, 2012	May 23, 2018	COMMON STOCK	400	18,600	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	18,400	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	18,200	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	400	D	May 23, 2012	May 23, 2018	COMMON STOCK	400	17,800	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	17,600	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	200	D	May 23, 2012	May 23, 2018	COMMON STOCK	200	17,400	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	500	D	May 23, 2012	May 23, 2018	COMMON STOCK	500	16,900	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	100	D	May 23, 2012	May 23, 2018	COMMON STOCK	100	16,800	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	100	D	May 23, 2012	May 23, 2018	COMMON STOCK	100	16,700	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	400	D	May 23, 2012	May 23, 2018	COMMON STOCK	400	16,300	D
Non-Qualified Stock Option (right to buy)^F1	$35.16	Jul 30, 2015	M	300	D	May 23, 2012	May 23, 2018	COMMON STOCK	300	16,000	D

Explanation of responses

F1Option was granted by the Issuer pursuant to a Rule 16-b plan and becomes exercisable as follows: 33.3% of the shares subject to the option vest 12 months from date of grant; and 1/36th of the shares subject to option vest each month thereafter.