Argenio David Z D

Insider

First SEC filing: Dec. 14, 2004 · Latest: Dec. 14, 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.

Insider at

SLP selling May 24, 2017

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
May 24, 2017	SLP	S	2,674	$11.68	$31,232	33,608 Direct	-7.37%	Disposed	57.5% (price as of 2026-08-21)
May 23, 2017	SLP	S	4,493	$11.73	$52,703	36,282 Direct	-11.02%	Disposed	56.8% (price as of 2026-08-21)
May 22, 2017	SLP	S	3,000	$11.65	$34,950	40,775 Direct	-6.85%	Disposed	57.9% (price as of 2026-08-21)
May 19, 2017	SLP	S	13,833	$11.53	$159,494	43,775 Direct	-24.01%	Disposed	59.5% (price as of 2026-08-21)
May 18, 2017	SLP	S	1,300	$11.48	$14,924	57,608 Direct	-2.21%	Disposed	60.2% (price as of 2026-08-21)
May 17, 2017	SLP	S	4,100	$11.22	$46,002	58,908 Direct	-6.51%	Disposed	63.9% (price as of 2026-08-21)
May 16, 2017	SLP	S	600	$11.38	$6,828	63,008 Direct	-0.94%	Disposed	61.6% (price as of 2026-08-21)
May 10, 2017	SLP	S	1,304	$12.25	$15,974	63,608 Direct	-2.01%	Disposed	50.2% (price as of 2026-08-21)
March 2, 2017	SLP	X	1,500	$6.72	$10,080	13,500 Direct	-10.00%	Disposed	173.7% (price as of 2026-08-21)
March 2, 2017	SLP	X	4,000	$6.68	$26,720	15,000 Direct	-21.05%	Disposed	175.4% (price as of 2026-08-21)
March 2, 2017	SLP	M	1,500	$6.72	$10,080	64,912 Direct	+2.37%	Acquired	173.7% (price as of 2026-08-21)
March 2, 2017	SLP	M	4,000	$6.68	$26,720	63,412 Direct	+6.73%	Acquired	175.4% (price as of 2026-08-21)
Nov. 22, 2016	SLP	X	4,000	$4.78	$19,120	19,000 Direct	-17.39%	Disposed	284.8% (price as of 2026-08-21)
Nov. 22, 2016	SLP	M	4,000	$4.78	$19,120	59,412 Direct	+7.22%	Acquired	284.8% (price as of 2026-08-21)
Aug. 31, 2016	SLP	A	5,000	$8.62	$43,100	23,000 Direct	+27.78%	Acquired	113.4% (price as of 2026-08-21)
June 20, 2016	SLP	X	4,000	$4.46	$17,840	18,000 Direct	-18.18%	Disposed	312.4% (price as of 2026-08-21)
June 20, 2016	SLP	X	4,000	$3.23	$12,920	22,000 Direct	-15.38%	Disposed	469.5% (price as of 2026-08-21)
June 20, 2016	SLP	X	2,400	$2.46	$5,904	26,000 Direct	-8.45%	Disposed	647.8% (price as of 2026-08-21)
June 20, 2016	SLP	X	1,200	$1.67	$2,004	28,400 Direct	-4.05%	Disposed	1001.5% (price as of 2026-08-21)
June 20, 2016	SLP	M	4,000	$4.46	$17,840	55,412 Direct	+7.78%	Acquired	312.4% (price as of 2026-08-21)
June 20, 2016	SLP	M	4,000	$3.23	$12,920	51,412 Direct	+8.44%	Acquired	469.5% (price as of 2026-08-21)
June 20, 2016	SLP	M	2,400	$2.46	$5,904	47,412 Direct	+5.33%	Acquired	647.8% (price as of 2026-08-21)
June 20, 2016	SLP	M	1,200	$1.67	$2,004	45,012 Direct	+2.74%	Acquired	1001.5% (price as of 2026-08-21)
Aug. 31, 2015	SLP	A	5,000	$6.75	$33,750	29,600 Direct	+20.33%	Acquired	172.5% (price as of 2026-08-21)
Aug. 29, 2014	SLP	A	5,000	$6.72	$33,600	24,600 Direct	+25.51%	Acquired	173.7% (price as of 2026-08-21)
Aug. 31, 2013	SLP	A	4,000	$4.78	$19,120	19,600 Direct	+25.64%	Acquired	284.8% (price as of 2026-08-21)
Aug. 31, 2012	SLP	A	4,000	$4.46	$17,840	15,600 Direct	+34.48%	Acquired	312.4% (price as of 2026-08-21)
Feb. 27, 2012	SLP	X	20,400	$1.25	$25,500	11,600 Direct	-63.75%	Disposed	1371.6% (price as of 2026-08-21)
Feb. 27, 2012	SLP	M	20,400	$1.25	$25,500	43,812 Direct	+87.13%	Acquired	1371.6% (price as of 2026-08-21)
Aug. 31, 2011	SLP	A	4,000	$3.23	$12,920	32,000 Direct	+14.29%	Acquired	469.5% (price as of 2026-08-21)
Aug. 12, 2011	SLP	X	2,000	$0.30	$600	28,000 Direct	-6.67%	Disposed	6031.7% (price as of 2026-08-21)
Aug. 12, 2011	SLP	M	2,000	$0.30	$600	23,412 Direct	+9.34%	Acquired	6031.7% (price as of 2026-08-21)
Aug. 31, 2010	SLP	A	4,000	$2.46	$9,840	30,000 Direct	+15.38%	Acquired	647.8% (price as of 2026-08-21)
Aug. 16, 2010	SLP	X	2,000	$0.62	$1,240	26,000 Direct	-7.14%	Disposed	2866.9% (price as of 2026-08-21)
Aug. 16, 2010	SLP	M	2,000	$0.62	$1,240	21,412 Direct	+10.30%	Acquired	2866.9% (price as of 2026-08-21)
Sept. 22, 2009	SLP	A	4,000	$1.67	$6,680	28,000 Direct	+16.67%	Acquired	1001.5% (price as of 2026-08-21)
July 1, 2009	SLP	X	2,000	$0.38	$760	24,000 Direct	-7.69%	Disposed	4740.8% (price as of 2026-08-21)
July 1, 2009	SLP	X	4,412	$0.44	$1,941	26,000 Direct	-14.51%	Disposed	4080.7% (price as of 2026-08-21)
July 1, 2009	SLP	M	2,000	$0.38	$760	19,412 Direct	+11.49%	Acquired	4740.8% (price as of 2026-08-21)
July 1, 2009	SLP	M	4,412	$0.44	$1,941	17,412 Direct	+33.94%	Acquired	4080.7% (price as of 2026-08-21)
May 15, 2009	SLP	P	3,000	$1.13	$3,390	13,000 Direct	+30.00%	Acquired	1527.9% (price as of 2026-08-21)
May 14, 2009	SLP	P	2,000	$1.10	$2,200	10,000 Direct	+25.00%	Acquired	1572.3% (price as of 2026-08-21)
May 13, 2009	SLP	P	4,000	$1.08	$4,320	8,000 Direct	+100.00%	Acquired	1603.2% (price as of 2026-08-21)
Sept. 9, 2008	SLP	A	2,000	$1.78	$3,560	30,412 Direct	+7.04%	Acquired	933.4% (price as of 2026-08-21)
Aug. 31, 2008	SLP	P	2,000	$1.81	$3,620	2,000 Direct	—	Acquired	916.3% (price as of 2026-08-21)
Aug. 31, 2007	SLP	P	2,000	$13.35	$26,700	2,000 Direct	—	Acquired	175.6% (price as of 2026-08-21)
Aug. 31, 2006	SLP	A	2,000	$2.05	$4,100	7,103 Direct	+39.19%	Acquired	1694.6% (price as of 2026-08-21)
Aug. 31, 2005	SLP	P	500	$3.40	$1,700	500 Direct	—	Acquired	2064.1% (price as of 2026-08-21)
Sept. 1, 2004	SLP	A	500	$3.32	$1,660	4,103 Direct	+13.88%	Acquired	2116.3% (price as of 2026-08-21)
Sept. 1, 2004	SLP	P	500	$3.32	$1,660	4,103 Direct	+13.88%	Acquired	2116.3% (price as of 2026-08-21)
Aug. 31, 2003	SLP	P	500	$2.55	$1,275	500 Direct	—	Acquired	2785.5% (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 2, 2017	SLP	Stock Option	Common (1,500)	$6.72	Sept. 1, 2024	1,500	Disposed
March 2, 2017	SLP	Stock Option	Common (4,000)	$6.68	Sept. 1, 2017	4,000	Disposed
Nov. 22, 2016	SLP	Stock Option	Common (4,000)	$4.78	Sept. 1, 2023	4,000	Disposed
Aug. 31, 2016	SLP	Stock Option	Stock option (5,000)	$8.62	Aug. 31, 2026	5,000	Acquired
June 20, 2016	SLP	Common	Common (4,000)	$4.46	Sept. 1, 2022	4,000	Disposed
June 20, 2016	SLP	Stock Option	Common (4,000)	$3.23	Sept. 1, 2021	4,000	Disposed
June 20, 2016	SLP	Stock Option	Common (2,400)	$2.46	Sept. 1, 2020	2,400	Disposed
June 20, 2016	SLP	Stock Option	Common (1,200)	$1.67	Sept. 23, 2019	1,200	Disposed
Aug. 31, 2015	SLP	Stock option	Stock option (5,000)	$6.75	Aug. 31, 2025	5,000	Acquired
Aug. 29, 2014	SLP	Stock Option	Stock Option (5,000)	$6.72	Aug. 29, 2024	5,000	Acquired
Aug. 31, 2013	SLP	Stock Option	Stock Option (4,000)	$4.78	Aug. 31, 2023	4,000	Acquired
Aug. 31, 2012	SLP	Stock Option	Stock Option (4,000)	$4.46	Aug. 31, 2022	4,000	Acquired
Feb. 27, 2012	SLP	Stock Option	Common (20,400)	$1.25	Aug. 31, 2021	20,400	Disposed
Aug. 31, 2011	SLP	Stock Option	Stock Option (4,000)	$3.23	Aug. 31, 2021	4,000	Acquired
Aug. 12, 2011	SLP	Stock Option	Common (2,000)	$0.30	Aug. 31, 2011	2,000	Disposed
Aug. 31, 2010	SLP	Stock Option	Stock Option (4,000)	$2.46	Aug. 31, 2020	4,000	Acquired
Aug. 16, 2010	SLP	Stock Option	Common (2,000)	$0.62	Aug. 31, 2010	2,000	Disposed
Sept. 22, 2009	SLP	Stock Option	Stock Option (4,000)	$1.67	Sept. 22, 2019	4,000	Acquired
July 1, 2009	SLP	Stock Option	Common (2,000)	$0.38	Aug. 31, 2009	2,000	Disposed
July 1, 2009	SLP	Stock Option	Common (4,412)	$0.44	July 9, 2009	4,412	Disposed
Sept. 9, 2008	SLP	Stock Option	Stock Option (2,000)	$1.78	Sept. 9, 2018	2,000	Acquired
Aug. 31, 2008	SLP	Simulations Plus, Inc	Simulations Plus, Inc (2,000)	$1.81	Aug. 31, 2018	2,000	Acquired
Aug. 31, 2007	SLP	Simulations Plus, Inc	Simulations Plus, Inc (2,000)	$13.35	Aug. 31, 2017	2,000	Acquired
Aug. 31, 2006	SLP	Stock Option	Common (2,000)	$2.05	Aug. 31, 2016	2,000	Acquired
Aug. 31, 2005	SLP	Simulations Plus, Inc	Simulations Plus, Inc (500)	$3.40	Aug. 31, 2015	500	Acquired
Sept. 1, 2004	SLP	Simulations Plus, Inc. stock option	Simulations Plus, Inc. common stock (500)	$3.32	Sept. 1, 2014	500	Acquired
Sept. 1, 2004	SLP	Stock Option	common (500)	$3.32	Sept. 1, 2014	500	Acquired
Aug. 31, 2003	SLP	Stock Option	Common (500)	$2.55	Aug. 31, 2013	500	Acquired

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