Atrion Ownership

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

Recent Insider Transactions

NasdaqGS:ATRI Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
01 Dec 23	BuyUS$95,904	Preston Athey	Individual	300	US$319.68
16 Nov 23	BuyUS$90,000	David Battat	Individual	300	US$300.00
15 Aug 23	BuyUS$104,670	Preston Athey	Individual	200	US$523.35

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 not been meaningfully diluted in the past year.

Top 25 shareholders own 84.37% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.1%	Kayne Anderson Rudnick Investment Management, LLC	194,854	US$79.7m	-4.7%	0.18%
10.4%	Neuberger Berman Investment Advisers LLC	183,012	US$74.9m	-1.11%	0.06%
8.56%	Emile Battat	150,616	US$61.6m	0%	no data
7.67%	Stupp Bros., Inc.	135,000	US$55.2m	0%	no data
7%	T. Rowe Price Group, Inc.	123,196	US$50.4m	3.97%	no data
6.56%	BlackRock, Inc.	115,446	US$47.2m	4.56%	no data
5.39%	David Battat	94,900	US$38.8m	0%	no data
4.8%	The Vanguard Group, Inc.	84,550	US$34.6m	1.89%	no data
2.84%	Dimensional Fund Advisors LP	49,958	US$20.4m	-4.12%	no data
2.31%	D.F. Dent and Company, Inc.	40,660	US$16.6m	45.9%	0.21%
2.2%	Renaissance Technologies LLC	38,709	US$15.8m	-0.26%	0.02%
2.02%	State Street Global Advisors, Inc.	35,520	US$14.5m	3.9%	no data
1.99%	Boston Trust Walden Company	35,091	US$14.4m	4.81%	0.1%
1.86%	Geode Capital Management, LLC	32,760	US$13.4m	5.47%	no data
1.63%	John Stupp	28,724	US$11.8m	0%	no data
1.37%	ProShare Advisors LLC	24,024	US$9.8m	39.2%	0.03%
0.94%	Crawford Investment Counsel, Inc.	16,549	US$6.8m	13.6%	0.13%
0.92%	Jackson National Asset Management, LLC	16,266	US$6.7m	4.2%	0.13%
0.86%	Wells Fargo & Company, Securities and Brokerage Investments	15,201	US$6.2m	-19.4%	no data
0.84%	BNY Mellon Asset Management	14,740	US$6.0m	47.3%	no data
0.83%	Northern Trust Global Investments	14,579	US$6.0m	-0.05%	no data
0.65%	Brighthouse Investment Advisers, LLC	11,462	US$4.7m	-2.32%	0.07%
0.6%	Charles Schwab Investment Management, Inc.	10,577	US$4.3m	0%	no data
0.59%	Hugh Morgan	10,348	US$4.2m	0%	no data
0.46%	Neuberger Berman Europe Limited	8,147	US$3.3m	0%	0.07%