Joseph A Dinunzio

CIK 1208424 · View on SEC EDGAR ↗

Insider

First SEC filing: May 20, 2026 · Latest: May 20, 2026

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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

ARTNA selling Sept. 17, 2015

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 57 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

57 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 19, 2026	ARTNA	W	193	—	—	16,133 Direct	+1.21%	Acquired	(price as of 2026-08-21)
June 28, 2017	ARTNA	A	821	$38.06	$31,247	15,778 Direct	+5.49%	Acquired	-6.2% (price as of 2026-08-21)
June 28, 2017	ARTNA	A	831	$38.06	$31,628	15,788 Direct	+5.56%	Acquired	-6.2% (price as of 2026-08-21)
Sept. 17, 2015	ARTNA	X	10,408	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 17, 2015	ARTNA	X	8	—	—	10,408 Direct	-0.08%	Disposed	(price as of 2026-08-21)
Sept. 17, 2015	ARTNA	S	10,408	$22.00	$228,976	14,918 Direct	-41.10%	Disposed	62.3% (price as of 2026-08-21)
Sept. 17, 2015	ARTNA	S	8	$22.07	$177	25,326 Direct	-0.03%	Disposed	61.8% (price as of 2026-08-21)
Sept. 17, 2015	ARTNA	X	10,408	$19.70	$205,038	25,334 Direct	+69.73%	Acquired	81.2% (price as of 2026-08-21)
Sept. 17, 2015	ARTNA	X	8	$19.70	$158	14,926 Direct	+0.05%	Acquired	81.2% (price as of 2026-08-21)
Sept. 16, 2015	ARTNA	X	834	—	—	10,416 Direct	-7.41%	Disposed	(price as of 2026-08-21)
Sept. 16, 2015	ARTNA	S	834	$22.00	$18,348	14,918 Direct	-5.29%	Disposed	62.3% (price as of 2026-08-21)
Sept. 16, 2015	ARTNA	X	834	$19.70	$16,430	15,752 Direct	+5.59%	Acquired	81.2% (price as of 2026-08-21)
Nov. 10, 2014	ARTNA	P	100	$22.00	$2,200	203 Direct	+97.09%	Acquired	62.3% (price as of 2026-08-21)
Nov. 14, 2013	ARTNA	X	6,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 14, 2013	ARTNA	S	6,750	$22.26	$150,255	14,879 Direct	-31.21%	Disposed	60.4% (price as of 2026-08-21)
Nov. 14, 2013	ARTNA	X	6,750	$16.13	$108,878	21,629 Direct	+45.37%	Acquired	121.3% (price as of 2026-08-21)
Nov. 15, 2012	ARTNA	G	16	—	—	14,860 Direct	-0.11%	Disposed	(price as of 2026-08-21)
Sept. 13, 2012	ARTNA	X	1,506	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 13, 2012	ARTNA	S	1,506	$22.24	$33,493	14,876 Direct	-9.19%	Disposed	60.5% (price as of 2026-08-21)
Sept. 13, 2012	ARTNA	X	1,506	$14.85	$22,364	16,382 Direct	+10.12%	Acquired	140.4% (price as of 2026-08-21)
Sept. 12, 2012	ARTNA	X	3,494	—	—	1,506 Direct	-69.88%	Disposed	(price as of 2026-08-21)
Sept. 12, 2012	ARTNA	S	3,494	$22.25	$77,742	14,876 Direct	-19.02%	Disposed	60.4% (price as of 2026-08-21)
Sept. 12, 2012	ARTNA	X	3,494	$14.85	$51,886	18,370 Direct	+23.49%	Acquired	140.4% (price as of 2026-08-21)
Sept. 11, 2012	ARTNA	X	1,128	—	—	5,000 Direct	-18.41%	Disposed	(price as of 2026-08-21)
Sept. 11, 2012	ARTNA	S	1,128	$22.24	$25,087	14,876 Direct	-7.05%	Disposed	60.5% (price as of 2026-08-21)
Sept. 11, 2012	ARTNA	X	1,128	$14.85	$16,751	16,004 Direct	+7.58%	Acquired	140.4% (price as of 2026-08-21)
Sept. 7, 2012	ARTNA	X	622	—	—	6,128 Direct	-9.21%	Disposed	(price as of 2026-08-21)
Sept. 7, 2012	ARTNA	S	622	$22.24	$13,833	14,876 Direct	-4.01%	Disposed	60.5% (price as of 2026-08-21)
Sept. 7, 2012	ARTNA	X	622	$14.85	$9,237	15,498 Direct	+4.18%	Acquired	140.4% (price as of 2026-08-21)
Nov. 12, 2010	ARTNA	X	6,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 12, 2010	ARTNA	X	11,250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 12, 2010	ARTNA	S	18,000	$18.54	$333,720	14,838 Direct	-54.81%	Disposed	92.6% (price as of 2026-08-21)
Nov. 12, 2010	ARTNA	X	6,750	$12.40	$83,700	32,838 Direct	+25.87%	Acquired	187.9% (price as of 2026-08-21)
Nov. 12, 2010	ARTNA	X	11,250	$10.84	$121,950	26,088 Direct	+75.82%	Acquired	229.3% (price as of 2026-08-21)
Sept. 2, 2009	ARTNA	X	4,750	$10.28	$48,830	0 Direct	-100.00%	Disposed	247.3% (price as of 2026-08-21)
Sept. 2, 2009	ARTNA	S	4,750	$17.53	$83,268	14,818 Direct	-24.27%	Disposed	103.7% (price as of 2026-08-21)
Sept. 2, 2009	ARTNA	X	4,750	$10.28	$48,830	19,568 Direct	+32.06%	Acquired	247.3% (price as of 2026-08-21)
Sept. 1, 2009	ARTNA	X	2,000	$10.28	$20,560	4,750 Direct	-29.63%	Disposed	247.3% (price as of 2026-08-21)
Sept. 1, 2009	ARTNA	S	2,000	$17.50	$35,000	14,818 Direct	-11.89%	Disposed	104.0% (price as of 2026-08-21)
Sept. 1, 2009	ARTNA	X	2,000	$10.28	$20,560	16,818 Direct	+13.50%	Acquired	247.3% (price as of 2026-08-21)
May 20, 2008	ARTNA	X	4,925	$9.33	$45,950	0 Direct	-100.00%	Disposed	282.6% (price as of 2026-08-21)
May 20, 2008	ARTNA	S	4,925	$18.50	$91,112	14,801 Direct	-24.97%	Disposed	93.0% (price as of 2026-08-21)
May 20, 2008	ARTNA	X	4,925	$9.33	$45,950	19,726 Direct	+33.27%	Acquired	282.6% (price as of 2026-08-21)
May 19, 2008	ARTNA	X	700	$9.33	$6,531	4,925 Direct	-12.44%	Disposed	282.6% (price as of 2026-08-21)
May 19, 2008	ARTNA	S	700	$18.51	$12,957	14,801 Direct	-4.52%	Disposed	92.9% (price as of 2026-08-21)
May 19, 2008	ARTNA	X	700	$9.33	$6,531	15,501 Direct	+4.73%	Acquired	282.6% (price as of 2026-08-21)
Nov. 13, 2007	ARTNA	X	5,750	$7.61	$43,758	0 Direct	-100.00%	Disposed	369.1% (price as of 2026-08-21)
Nov. 13, 2007	ARTNA	S	5,750	$19.00	$109,250	14,788 Direct	-28.00%	Disposed	87.9% (price as of 2026-08-21)
Nov. 13, 2007	ARTNA	X	5,750	$7.61	$43,758	20,538 Direct	+38.88%	Acquired	369.1% (price as of 2026-08-21)
May 1, 2007	ARTNA	X	1,000	$7.61	$7,610	5,750 Direct	-14.81%	Disposed	369.1% (price as of 2026-08-21)
May 1, 2007	ARTNA	X	1,000	$7.61	$7,610	14,788 Direct	+7.25%	Acquired	369.1% (price as of 2026-08-21)
May 8, 2006	ARTNA	A	750	$31.60	$23,700	9,184 Direct	+8.89%	Acquired	69.5% (price as of 2026-08-21)
Dec. 20, 2005	ARTNA	A	7,500	$29.55	$221,625	7,500 Direct	—	Acquired	81.2% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	X	2,700	$10.35	$27,945	0 Direct	-100.00%	Disposed	417.4% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	S	100	$30.50	$3,050	8,427 Direct	-1.17%	Disposed	75.6% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	S	100	$30.11	$3,011	8,527 Direct	-1.16%	Disposed	77.8% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	S	400	$30.00	$12,000	8,627 Direct	-4.43%	Disposed	78.5% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	S	500	$30.23	$15,115	9,027 Direct	-5.25%	Disposed	77.1% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	S	1,600	$30.05	$48,080	9,527 Direct	-14.38%	Disposed	78.2% (price as of 2026-08-21)
Aug. 23, 2005	ARTNA	X	2,700	$10.35	$27,945	11,127 Direct	+32.04%	Acquired	417.4% (price as of 2026-08-21)
Aug. 22, 2005	ARTNA	X	300	$10.35	$3,105	2,700 Direct	-10.00%	Disposed	417.4% (price as of 2026-08-21)
Aug. 22, 2005	ARTNA	S	300	$30.50	$9,150	8,427 Direct	-3.44%	Disposed	75.6% (price as of 2026-08-21)
Aug. 22, 2005	ARTNA	X	300	$10.35	$3,105	8,727 Direct	+3.56%	Acquired	417.4% (price as of 2026-08-21)
Aug. 17, 2005	ARTNA	X	600	$10.35	$6,210	3,000 Direct	-16.67%	Disposed	417.4% (price as of 2026-08-21)
Aug. 17, 2005	ARTNA	S	600	$31.07	$18,642	8,427 Direct	-6.65%	Disposed	72.4% (price as of 2026-08-21)
Aug. 17, 2005	ARTNA	X	600	$10.35	$6,210	9,027 Direct	+7.12%	Acquired	417.4% (price as of 2026-08-21)
Aug. 16, 2005	ARTNA	X	900	$10.35	$9,315	3,600 Direct	-20.00%	Disposed	417.4% (price as of 2026-08-21)
Aug. 16, 2005	ARTNA	X	300	$9.42	$2,826	0 Direct	-100.00%	Disposed	468.5% (price as of 2026-08-21)
Aug. 16, 2005	ARTNA	S	1,200	$31.40	$37,680	8,427 Direct	-12.46%	Disposed	70.5% (price as of 2026-08-21)
Aug. 16, 2005	ARTNA	X	900	$10.35	$9,315	9,627 Direct	+10.31%	Acquired	417.4% (price as of 2026-08-21)
Aug. 16, 2005	ARTNA	X	300	$9.42	$2,826	8,727 Direct	+3.56%	Acquired	468.5% (price as of 2026-08-21)
Aug. 12, 2005	ARTNA	X	1,200	$9.42	$11,304	300 Direct	-80.00%	Disposed	468.5% (price as of 2026-08-21)
Aug. 12, 2005	ARTNA	S	1,200	$32.02	$38,424	8,427 Direct	-12.46%	Disposed	67.2% (price as of 2026-08-21)
Aug. 12, 2005	ARTNA	X	1,200	$9.42	$11,304	9,627 Direct	+14.24%	Acquired	468.5% (price as of 2026-08-21)
Feb. 2, 2005	ARTNA	A	750	$28.11	$21,082	8,427 Direct	+9.77%	Acquired	90.5% (price as of 2026-08-21)
May 26, 2004	ARTNA	A	4,500	$24.20	$108,900	4,500 Direct	—	Acquired	121.3% (price as of 2026-08-21)
May 11, 2004	ARTNA	O	4,500	$8.47	$38,115	0 Direct	-100.00%	Disposed	532.2% (price as of 2026-08-21)
May 11, 2004	ARTNA	O	1,500	$9.42	$14,130	1,500 Direct	-50.00%	Disposed	468.5% (price as of 2026-08-21)
May 11, 2004	ARTNA	S	1,500	$27.00	$40,500	7,669 Direct	-16.36%	Disposed	98.3% (price as of 2026-08-21)
May 11, 2004	ARTNA	S	3,000	$27.25	$81,750	9,169 Direct	-24.65%	Disposed	96.5% (price as of 2026-08-21)
May 11, 2004	ARTNA	O	1,500	$9.42	$14,130	12,169 Direct	+14.06%	Acquired	468.5% (price as of 2026-08-21)
May 11, 2004	ARTNA	O	4,500	$8.47	$38,115	10,669 Direct	+72.95%	Acquired	532.2% (price as of 2026-08-21)
Oct. 29, 2003	ARTNA	A	750	$26.30	$19,725	6,161 Direct	+13.86%	Acquired	103.6% (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
Sept. 17, 2015	ARTNA	Non-qualified Stock Option (Right to Buy)	Class A Non-voting Common Stock (10,408)	$19.70	Dec. 20, 2015	10,408	Disposed
Sept. 17, 2015	ARTNA	Non-qualified Stock Option (Right to Buy)	Class A Non-voting Common Stock (8)	$19.70	Dec. 20, 2015	8	Disposed
Sept. 16, 2015	ARTNA	Non-qualified Stock Option (Right to Buy)	Class A Non-voting Common Stock (834)	$19.70	Dec. 20, 2015	834	Disposed
Nov. 14, 2013	ARTNA	Non-qualified Stock Option (Right to Buy)	Class A Non-voting Common Stock (6,750)	$16.13	May 26, 2014	6,750	Disposed
Sept. 13, 2012	ARTNA	Incentive Stock Option (Right to Buy)	Class A Non-voting Common Stock (1,506)	$14.85	May 21, 2013	1,506	Disposed
Sept. 12, 2012	ARTNA	Incentive Stock Option (Right to Buy)	Class A Non-voting Common Stock (3,494)	$14.85	May 21, 2013	3,494	Disposed
Sept. 11, 2012	ARTNA	Incentive Stock Option (Right to Buy)	Class A Non-voting Common Stock (1,128)	$14.85	May 21, 2013	1,128	Disposed
Sept. 7, 2012	ARTNA	Incentive Stock Option (Right to Buy)	Class A Non-voting Common Stock (622)	$14.85	May 21, 2013	622	Disposed
Nov. 12, 2010	ARTNA	Non-qualified Stock Option (Right to Buy)	Class A Non-voting Common Stock (6,750)	$12.40	June 5, 2012	6,750	Disposed
Nov. 12, 2010	ARTNA	Incentive Stock Option (Right to Buy)	Class A Non-voting Common Stock (11,250)	$10.84	May 30, 2011	11,250	Disposed
Sept. 2, 2009	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (4,750)	$10.28	May 31, 2010	4,750	Disposed
Sept. 1, 2009	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (2,000)	$10.28	May 31, 2010	2,000	Disposed
May 20, 2008	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (4,925)	$9.33	May 18, 2009	4,925	Disposed
May 19, 2008	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (700)	$9.33	May 18, 2009	700	Disposed
Nov. 13, 2007	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (5,750)	$7.61	May 27, 2008	5,750	Disposed
May 1, 2007	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (1,000)	$7.61	May 27, 2008	1,000	Disposed
Dec. 20, 2005	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (7,500)	$29.55	Dec. 20, 2015	7,500	Acquired
Aug. 23, 2005	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (2,700)	$10.35	May 28, 2007	2,700	Disposed
Aug. 22, 2005	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (300)	$10.35	May 28, 2007	300	Disposed
Aug. 17, 2005	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (600)	$10.35	May 28, 2007	600	Disposed
Aug. 16, 2005	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (900)	$10.35	May 28, 2007	900	Disposed
Aug. 16, 2005	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (300)	$9.42	May 14, 2006	300	Disposed
Aug. 12, 2005	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (1,200)	$9.42	May 14, 2006	1,200	Disposed
May 26, 2004	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (4,500)	$24.20	May 26, 2014	4,500	Acquired
May 11, 2004	ARTNA	Non-Qualified Stock Option (right to buy)	Class A Non-Voting Common Stock (4,500)	$8.47	May 7, 2006	4,500	Disposed
May 11, 2004	ARTNA	Incentive Stock Option (right to buy)	Class A Non-Voting Common Stock (1,500)	$9.42	May 14, 2006	1,500	Disposed

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