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 106.34% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
22%	Nordson Corporation	386,910	US$177.7m	0%	no data
11.6%	Kayne Anderson Rudnick Investment Management, LLC	203,282	US$93.4m	4.33%	0.21%
10.2%	Neuberger Berman Investment Advisers LLC	179,099	US$82.3m	-2.14%	0.07%
8.56%	Emile Battat	150,616	US$69.2m	0%	no data
8.32%	T. Rowe Price Group, Inc.	146,386	US$67.2m	18.8%	0.01%
7.67%	Stupp Bros., Inc.	135,000	US$62.0m	0%	no data
5.91%	BlackRock, Inc.	104,054	US$47.8m	-9.87%	no data
4.82%	The Vanguard Group, Inc.	84,876	US$39.0m	0.39%	no data
3.11%	Eaton Vance Management	54,797	US$25.2m	2,880%	0.01%
2.69%	Dimensional Fund Advisors LP	47,396	US$21.8m	-5.13%	no data
2.44%	D.F. Dent and Company, Inc.	42,944	US$19.7m	5.62%	0.25%
2.24%	David Battat	39,400	US$18.1m	-58.5%	no data
2.11%	State Street Global Advisors, Inc.	37,218	US$17.1m	4.78%	no data
2.11%	Renaissance Technologies LLC	37,209	US$17.1m	-3.88%	0.03%
2.03%	Boston Trust Walden Company	35,802	US$16.4m	2.03%	0.12%
1.92%	Geode Capital Management, LLC	33,821	US$15.5m	3.24%	no data
1.28%	Northern Trust Global Investments	22,608	US$10.4m	55.1%	no data
1.19%	ProShare Advisors LLC	20,941	US$9.6m	-12.8%	0.03%
1.11%	JP Morgan Asset Management	19,454	US$8.9m	370%	no data
1.1%	Crawford Investment Counsel, Inc.	19,338	US$8.9m	16.9%	0.17%
1.05%	Wells Fargo & Company, Securities and Brokerage Investments	18,437	US$8.5m	21.3%	no data
0.94%	Jackson National Asset Management, LLC	16,484	US$7.6m	1.34%	0.15%
0.82%	BNY Asset Management	14,485	US$6.7m	-1.73%	no data
0.61%	Charles Schwab Investment Management, Inc.	10,679	US$4.9m	0.96%	no data
0.59%	Hugh Morgan	10,348	US$4.8m	0%	no data