John G Banker

Insider

First SEC filing: Jan. 7, 2004 · Latest: Jan. 7, 2004

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

BOOM selling Aug. 31, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 35 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

35 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 31, 2012	BOOM	S	6,085	$16.05	$97,664	97,988 Direct	-5.85%	Disposed	-55.5% (price as of 2026-08-21)
Jan. 18, 2012	BOOM	A	12,500	—	—	104,073 Direct	+13.65%	Acquired	(price as of 2026-08-21)
Dec. 6, 2011	BOOM	S	3,140	$22.17	$69,614	91,573 Direct	-3.32%	Disposed	-67.8% (price as of 2026-08-21)
Dec. 6, 2011	BOOM	S	3,140	$22.17	$69,614	91,573 Direct	-3.32%	Disposed	-67.8% (price as of 2026-08-21)
Dec. 5, 2011	BOOM	S	1,110	$22.03	$24,453	94,713 Direct	-1.16%	Disposed	-67.6% (price as of 2026-08-21)
Dec. 5, 2011	BOOM	S	1,110	$22.03	$24,453	94,713 Direct	-1.16%	Disposed	-67.6% (price as of 2026-08-21)
Jan. 19, 2011	BOOM	A	11,000	—	—	92,823 Direct	+13.44%	Acquired	(price as of 2026-08-21)
Jan. 19, 2011	BOOM	A	3,000	—	—	95,823 Direct	+3.23%	Acquired	(price as of 2026-08-21)
Sept. 14, 2010	BOOM	S	2,341	$15.03	$35,185	81,823 Direct	-2.78%	Disposed	-52.5% (price as of 2026-08-21)
Sept. 13, 2010	BOOM	S	11,859	$15.02	$178,122	84,164 Direct	-12.35%	Disposed	-52.5% (price as of 2026-08-21)
Sept. 9, 2010	BOOM	S	800	$15.00	$12,000	96,023 Direct	-0.83%	Disposed	-52.4% (price as of 2026-08-21)
Jan. 13, 2010	BOOM	A	12,000	—	—	96,823 Direct	+14.15%	Acquired	(price as of 2026-08-21)
Sept. 17, 2009	BOOM	S	20,000	$19.50	$390,000	84,823 Direct	-19.08%	Disposed	-63.4% (price as of 2026-08-21)
March 3, 2009	BOOM	M	7,500	$4.87	$36,525	103,160 Direct	+7.84%	Acquired	46.6% (price as of 2026-08-21)
March 3, 2009	BOOM	M	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 6, 2007	BOOM	A	6,000	—	—	67,434 Direct	+9.77%	Acquired	(price as of 2026-08-21)
April 24, 2007	BOOM	M	5,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
April 24, 2007	BOOM	M	5,750	$1.18	$6,785	61,317 Direct	+10.35%	Acquired	505.1% (price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	15,000	—	—	15,000 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	11,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	12,500	—	—	6,250 Direct	-66.67%	Disposed	(price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	5,750	—	—	5,750 Direct	-50.00%	Disposed	(price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	15,000	$4.87	$73,050	55,684 Direct	+36.87%	Acquired	46.6% (price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	12,500	$1.42	$17,750	40,684 Direct	+44.35%	Acquired	402.8% (price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	5,750	$1.18	$6,785	28,184 Direct	+25.63%	Acquired	505.1% (price as of 2026-08-21)
Feb. 8, 2007	BOOM	M	11,500	$1.68	$19,320	22,434 Direct	+105.18%	Acquired	325.0% (price as of 2026-08-21)
Sept. 21, 2006	BOOM	A	5,000	—	—	10,158 Direct	+96.94%	Acquired	(price as of 2026-08-21)
Aug. 16, 2005	BOOM	S	1,010	$43.23	$43,662	2,579 Indirect	-28.14%	Disposed	-67.0% (price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	17,250	—	—	5,750 Direct	-75.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	3,125	—	—	9,375 Direct	-25.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	2,875	—	—	5,750 Direct	-33.33%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	5,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	BOOM	S	36,641	$43.14	$1,580,693	3,589 Direct	-91.08%	Disposed	-66.9% (price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	3,125	$2.83	$8,844	40,230 Direct	+8.42%	Acquired	404.6% (price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	2,875	$2.36	$6,785	37,105 Direct	+8.40%	Acquired	505.1% (price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	17,250	$3.35	$57,788	34,230 Direct	+101.59%	Acquired	326.3% (price as of 2026-08-21)
Aug. 12, 2005	BOOM	M	5,750	$1.88	$10,810	16,980 Direct	+51.20%	Acquired	659.6% (price as of 2026-08-21)
June 13, 2005	BOOM	M	2,875	—	—	8,625 Direct	-25.00%	Disposed	(price as of 2026-08-21)
June 13, 2005	BOOM	M	17,250	—	—	5,750 Direct	-75.00%	Disposed	(price as of 2026-08-21)
June 13, 2005	BOOM	S	20,125	$37918.00	$763,099,750	11,230 Direct	-64.18%	Disposed	-100.0% (price as of 2026-08-21)
June 13, 2005	BOOM	M	2,875	$2.36	$6,785	31,355 Direct	+10.09%	Acquired	505.1% (price as of 2026-08-21)
June 13, 2005	BOOM	M	17,250	$1.88	$32,430	28,480 Direct	+153.61%	Acquired	659.6% (price as of 2026-08-21)
March 30, 2005	BOOM	S	13,000	$33.36	$433,680	11,230 Direct	-53.65%	Disposed	-57.2% (price as of 2026-08-21)
Jan. 21, 2005	BOOM	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 21, 2005	BOOM	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
July 15, 2004	BOOM	J	2,579	$2.42	$6,241	23,220 Direct	+12.49%	Acquired	490.1% (price as of 2026-08-21)
Jan. 20, 2004	BOOM	J	1,610	$2.06	$3,317	20,641 Direct	+8.46%	Acquired	593.2% (price as of 2026-08-21)
July 25, 2003	BOOM	J	1,954	$1.96	$3,830	19,031 Direct	+11.44%	Acquired	628.6% (price as of 2026-08-21)

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
March 3, 2009	BOOM	Incentive stock option (right to buy)	Common Stock (7,500)	$4.87	Jan. 21, 2015	7,500	Disposed
April 24, 2007	BOOM	Incentive Stock Option (right to buy)	Common Stock (5,750)	$1.18	Feb. 28, 2013	5,750	Disposed
Feb. 8, 2007	BOOM	Incentive Stock Option (right to buy)	Common Stock (15,000)	$4.87	Jan. 21, 2015	15,000	Disposed
Feb. 8, 2007	BOOM	Incentive Stock Option (right to buy)	Common Stock (11,500)	$1.68	April 18, 2012	11,500	Disposed
Feb. 8, 2007	BOOM	Incentive Stock Option (right to buy)	Common Stock (12,500)	$1.42	Dec. 18, 2013	12,500	Disposed
Feb. 8, 2007	BOOM	Incentive Stock Option (right to buy)	Common Stock (5,750)	$1.18	Feb. 28, 2013	5,750	Disposed
Aug. 12, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (17,250)	$3.35	April 18, 2012	17,250	Disposed
Aug. 12, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (3,125)	$2.83	Dec. 18, 2013	3,125	Disposed
Aug. 12, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (2,875)	$2.36	Feb. 28, 2013	2,875	Disposed
Aug. 12, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (5,750)	$1.88	Feb. 14, 2011	5,750	Disposed
June 13, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (2,875)	$2.36	Feb. 28, 2013	2,875	Disposed
June 13, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (17,250)	$1.88	Feb. 14, 2011	17,250	Disposed
Jan. 21, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (15,000)	$9.73	Jan. 21, 2015	15,000	Acquired
Jan. 21, 2005	BOOM	Incentive Stock Option (right to buy)	Common Stock (15,000)	$9.73	Jan. 21, 2015	15,000	Acquired

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.

BOOM

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2012	$301,970	$58,129	$262,500	—	$116,960	—	$34,602	$774,161
2011	$293,175	$63,399	$292,600	—	$124,910	—	$32,034	$806,118
2010	$284,625	$51,233	$251,880	—	$52,650	—	$29,209	$669,597

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