Data I/O Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 2.3%.

Top 25 shareholders own 44.29% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.94%	Kanen Wealth Management LLC	806,528	US$2.3m	146%	2.07%
6.01%	Renaissance Technologies LLC	542,643	US$1.5m	2.11%	no data
3.65%	The Vanguard Group, Inc.	329,369	US$938.7k	0.13%	no data
3.63%	Kovack Advisors, Inc., Asset Management Arm	327,201	US$932.5k	-1.95%	0.13%
3.53%	Anthony Ambrose	319,026	US$909.2k	7.59%	no data
3.46%	Penbrook Management LLC	312,050	US$889.3k	-8.85%	0.62%
2.99%	Dimensional Fund Advisors LP	270,198	US$770.1k	0%	no data
1.62%	Acadian Asset Management LLC	146,540	US$417.6k	0%	no data
1.57%	Joel Hatlen	141,869	US$404.3k	0%	no data
1.29%	BNY Mellon Asset Management	116,751	US$332.7k	-3.94%	no data
1.18%	Rajeev Gulati	106,681	US$304.0k	-34.5%	no data
0.89%	Michael Tidwell	80,541	US$229.5k	-44.2%	no data
0.73%	Geode Capital Management, LLC	66,276	US$188.9k	0%	no data
0.71%	Douglas Brown	64,359	US$183.4k	19.3%	no data
0.71%	Essex Investment Management Company, LLC	63,937	US$182.2k	-26.7%	0.04%
0.55%	Zacks Investment Management, Inc.	49,900	US$142.2k	0%	no data
0.55%	Perritt Capital Management, Inc.	49,374	US$140.7k	9.97%	0.08%
0.42%	Sally Washlow	38,251	US$109.0k	0%	no data
0.4%	BlackRock, Inc.	36,401	US$103.7k	-0.61%	no data
0.28%	Citadel Advisors LLC	25,348	US$72.2k	87.8%	no data
0.27%	Bard Associates Inc.	24,250	US$69.1k	9.85%	0.03%
0.26%	Edward Smith	23,715	US$67.6k	0%	no data
0.22%	Northern Trust Global Investments	20,125	US$57.4k	-4.83%	no data
0.22%	David Kanen	19,893	US$56.7k	0%	no data
0.18%	State Street Global Advisors, Inc.	16,170	US$46.1k	0%	no data