Charles W Grinnell

Insider

First SEC filing: Dec. 31, 2007 · Latest: Dec. 31, 2007

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

FTEK buying Dec. 10, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 25, 2012	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 20, 2011	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 21, 2010	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 22, 2009	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 26, 2009	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 10, 2008	FTEK	P	4,004	$9.33	$37,357	6,504 Direct	+160.16%	Acquired	-85.0% (price as of 2026-08-21)
March 7, 2008	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 28, 2007	FTEK	P	2,500	$22.55	$56,375	2,500 Direct	—	Acquired	-93.8% (price as of 2026-08-21)
Dec. 7, 2006	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 11, 2006	FTEK	S	11,500	$8.55	$98,325	0 Direct	-100.00%	Disposed	-83.6% (price as of 2026-08-21)
Jan. 10, 2006	FTEK	S	10,085	$8.69	$87,639	11,500 Direct	-46.72%	Disposed	-83.9% (price as of 2026-08-21)
Jan. 9, 2006	FTEK	S	5,000	$8.80	$44,000	21,585 Direct	-18.81%	Disposed	-84.1% (price as of 2026-08-21)
Aug. 19, 2005	FTEK	M	19,425	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 19, 2005	FTEK	S	19,425	$6.35	$123,349	26,089 Direct	-42.68%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 19, 2005	FTEK	A	19,425	$1.50	$29,138	45,514 Direct	+74.46%	Acquired	-6.7% (price as of 2026-08-21)
Aug. 18, 2005	FTEK	M	575	—	—	19,425 Direct	-2.88%	Disposed	(price as of 2026-08-21)
Aug. 18, 2005	FTEK	M	3,125	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 18, 2005	FTEK	S	3,700	$6.35	$23,495	26,089 Direct	-12.42%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 18, 2005	FTEK	A	575	$1.50	$862	29,789 Direct	+1.97%	Acquired	-6.7% (price as of 2026-08-21)
Aug. 18, 2005	FTEK	A	3,125	$2.06	$6,438	29,214 Direct	+11.98%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 18, 2005	FTEK	M	3,700	—	—	25 Direct	-99.33%	Disposed	(price as of 2026-08-21)
Aug. 18, 2005	FTEK	S	3,700	$6.35	$23,495	26,089 Direct	-12.42%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 18, 2005	FTEK	A	3,700	$2.06	$7,622	29,789 Direct	+14.18%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 17, 2005	FTEK	M	775	—	—	3,125 Direct	-19.87%	Disposed	(price as of 2026-08-21)
Aug. 17, 2005	FTEK	S	775	$6.36	$4,929	26,089 Direct	-2.88%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 17, 2005	FTEK	A	775	$2.06	$1,596	26,864 Direct	+2.97%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 17, 2005	FTEK	M	775	—	—	3,725 Direct	-17.22%	Disposed	(price as of 2026-08-21)
Aug. 17, 2005	FTEK	S	775	$6.36	$4,929	26,089 Direct	-2.88%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 17, 2005	FTEK	A	775	$2.06	$1,596	26,864 Direct	+2.97%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 16, 2005	FTEK	M	10,000	—	—	3,900 Direct	-71.94%	Disposed	(price as of 2026-08-21)
Aug. 16, 2005	FTEK	S	10,000	$6.35	$63,500	26,089 Direct	-27.71%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 16, 2005	FTEK	A	10,000	$2.06	$20,600	36,089 Direct	+38.33%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 16, 2005	FTEK	M	10,000	—	—	4,500 Direct	-68.97%	Disposed	(price as of 2026-08-21)
Aug. 16, 2005	FTEK	S	10,000	$6.35	$63,500	26,089 Direct	-27.71%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 16, 2005	FTEK	A	10,000	$2.06	$20,600	36,089 Direct	+38.33%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 15, 2005	FTEK	M	10,600	—	—	13,900 Direct	-43.27%	Disposed	(price as of 2026-08-21)
Aug. 15, 2005	FTEK	S	10,600	$6.35	$67,310	26,089 Direct	-28.89%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 15, 2005	FTEK	A	10,600	$2.06	$21,836	36,689 Direct	+40.63%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 15, 2005	FTEK	A	10,000	$2.06	$20,600	36,089 Direct	+38.33%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 15, 2005	FTEK	S	10,000	$6.35	$63,500	26,089 Direct	-27.71%	Disposed	-78.0% (price as of 2026-08-21)
Aug. 15, 2005	FTEK	M	10,000	—	—	14,500 Direct	-40.82%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	FTEK	M	500	—	—	24,500 Direct	-2.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	FTEK	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	FTEK	S	13,000	$6.41	$83,330	26,089 Direct	-33.26%	Disposed	-78.2% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	A	500	$2.06	$1,030	39,089 Direct	+1.30%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	A	12,500	$1.56	$19,500	38,589 Direct	+47.91%	Acquired	-10.3% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	A	12,500	$1.56	$19,500	38,589 Direct	+47.91%	Acquired	-10.3% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	A	500	$2.06	$1,030	39,089 Direct	+1.30%	Acquired	-32.0% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	S	13,000	$6.41	$83,330	26,089 Direct	-33.26%	Disposed	-78.2% (price as of 2026-08-21)
Aug. 12, 2005	FTEK	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 12, 2005	FTEK	M	500	—	—	24,500 Direct	-2.00%	Disposed	(price as of 2026-08-21)
June 5, 2005	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2004	FTEK	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 9, 2003	FTEK	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
Sept. 16, 2003	FTEK	M	7,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 16, 2003	FTEK	S	7,500	$6.00	$45,000	26,089 Direct	-22.33%	Disposed	-76.7% (price as of 2026-08-21)
Sept. 16, 2003	FTEK	M	7,500	$2.62	$19,650	33,589 Direct	+28.75%	Acquired	-46.6% (price as of 2026-08-21)
Feb. 28, 2002	FTEK	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 28, 2002	FTEK	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2001	FTEK	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 22, 2001	FTEK	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 2, 2000	FTEK	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 2, 2000	FTEK	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 10, 1998	FTEK	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
Aug. 10, 1998	FTEK	A	25,000	—	—	25,000 Direct	—	Acquired	(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
May 25, 2012	FTEK	Common Option	Common (10,000)	$3.55	May 25, 2022	10,000	Acquired
May 20, 2011	FTEK	Common Option	Common (10,000)	$8.16	May 20, 2021	10,000	Acquired
May 21, 2010	FTEK	Common Option	Common (10,000)	$5.50	May 21, 2020	10,000	Acquired
May 22, 2009	FTEK	Common Option	Common (10,000)	$9.96	May 22, 2019	10,000	Acquired
Feb. 26, 2009	FTEK	Stock Option	Common (10,000)	$8.44	Feb. 26, 2019	10,000	Acquired
March 7, 2008	FTEK	Common Option	Common (10,000)	$17.82	March 7, 2018	10,000	Acquired
Dec. 7, 2006	FTEK	Stock Option	Common (10,000)	$25.49	Dec. 7, 2016	10,000	Acquired
Aug. 19, 2005	FTEK	Stock Option	Common (19,425)	$1.50	Feb. 22, 2011	19,425	Disposed
Aug. 18, 2005	FTEK	Stock Option	Common (575)	$1.50	Feb. 22, 2011	575	Disposed
Aug. 18, 2005	FTEK	Stock Option	Common (3,125)	$2.06	Aug. 2, 2010	3,125	Disposed
Aug. 18, 2005	FTEK	Stock Option	Common (3,700)	$2.06	Aug. 2, 2010	3,700	Disposed
Aug. 17, 2005	FTEK	Stock Option	Common (775)	$2.06	Aug. 2, 2010	775	Disposed
Aug. 17, 2005	FTEK	Stock Option	Common (775)	$2.06	Aug. 2, 2010	775	Disposed
Aug. 16, 2005	FTEK	Stock Option	Common (10,000)	$2.06	Aug. 2, 2010	10,000	Disposed
Aug. 16, 2005	FTEK	Stock Option	Common (10,000)	$2.06	Aug. 2, 2010	10,000	Disposed
Aug. 15, 2005	FTEK	Stock Option	Common (10,600)	$2.06	Aug. 2, 2010	10,600	Disposed
Aug. 15, 2005	FTEK	Stock Option	Common (10,000)	$2.06	Aug. 2, 2010	10,000	Disposed
Aug. 12, 2005	FTEK	Stock Option	Common (500)	$2.06	Aug. 2, 2010	500	Disposed
Aug. 12, 2005	FTEK	Stock Option	Common (12,500)	$1.56	Aug. 10, 2008	12,500	Disposed
Aug. 12, 2005	FTEK	Stock Option	Common (12,500)	$1.56	Aug. 10, 2008	12,500	Disposed
Aug. 12, 2005	FTEK	Stock Option	Common (500)	$2.06	Aug. 2, 2010	500	Disposed
June 5, 2005	FTEK	Stock Option	Common (10,000)	$8.46	Dec. 6, 2015	10,000	Acquired
Dec. 7, 2004	FTEK	Stock Option	Common (10,000)	$4.68	Dec. 7, 2014	10,000	Acquired
Dec. 9, 2003	FTEK	Stock Option	Common (15,000)	$3.80	Dec. 9, 2013	15,000	Acquired
Sept. 16, 2003	FTEK	Stock Option	Common (7,500)	$2.62	Sept. 30, 2003	7,500	Disposed
Feb. 28, 2002	FTEK	Stock Option	Common (15,000)	$5.98	Feb. 28, 2012	15,000	Acquired
Feb. 28, 2002	FTEK	Stock Option	Common (15,000)	$5.98	Feb. 28, 2012	15,000	Acquired
Feb. 22, 2001	FTEK	Stock Option	Common (20,000)	$1.50	Feb. 22, 2011	20,000	Acquired
Feb. 22, 2001	FTEK	Stock Option	Common (20,000)	$1.50	Feb. 22, 2011	20,000	Acquired
Aug. 2, 2000	FTEK	Stock Option	Common (25,000)	$2.06	Aug. 2, 2010	25,000	Acquired
Aug. 2, 2000	FTEK	Stock Option	Common (25,000)	$2.06	Aug. 2, 2010	25,000	Acquired
Aug. 10, 1998	FTEK	Stock Option	Common (25,000)	$1.56	Aug. 10, 2008	25,000	Acquired
Aug. 10, 1998	FTEK	Stock Option	Common (25,000)	$1.56	Aug. 10, 2008	25,000	Acquired

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