Psychemedics 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 not been meaningfully diluted in the past year.

Top 25 shareholders own 47.42% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.2%	Peter Kamin	602,757	US$1.4m	-2.98%	no data
5.3%	Powell Anderson Capital Partners	312,199	US$730.5k	0%	no data
4.68%	22NW, LP	276,034	US$645.9k	0.59%	0.44%
4.6%	Renaissance Technologies LLC	270,863	US$633.8k	5.41%	no data
4.26%	The Vanguard Group, Inc.	251,283	US$588.0k	0%	no data
4.19%	Raymond Kubacki	246,737	US$577.4k	0%	no data
3.03%	Fred Weinert	178,564	US$417.8k	0%	no data
2.41%	RBF Capital LLC	142,142	US$332.6k	0%	0.02%
1.13%	BlackRock, Inc.	66,408	US$155.4k	-6.49%	no data
0.82%	Darius Nevin	48,181	US$112.7k	0%	no data
0.81%	Wedbush Asset Management, LLC	47,868	US$112.0k	-4.91%	no data
0.8%	Susquehanna International Group, LLP, Asset Management Arm	47,391	US$110.9k	311%	no data
0.76%	3K Limited Partnership	44,980	US$105.3k	0%	3.88%
0.72%	Geode Capital Management, LLC	42,679	US$99.9k	14.7%	no data
0.66%	Robyn Davis	39,000	US$91.3k	0%	no data
0.48%	Andrew Reynolds	28,000	US$65.5k	0%	no data
0.46%	Michael Schaffer	26,989	US$63.2k	0%	no data
0.43%	G3 Investment Holdings, LLC	25,181	US$58.9k	0%	no data
0.36%	Citadel Advisors LLC	21,509	US$50.3k	70.2%	no data
0.36%	Dimensional Fund Advisors LP	21,060	US$49.3k	-7.18%	no data
0.34%	SMP Asset Management, LLC	20,000	US$46.8k	0%	0.02%
0.32%	Northern Trust Global Investments	18,910	US$44.2k	24.1%	no data
0.19%	R. Lindsay	11,301	US$26.4k	0%	no data
0.051%	Morgan Stanley, Investment Banking and Brokerage Investments	3,001	US$7.0k	0%	no data
0.04%	T. Rowe Price Group, Inc.	2,375	US$5.6k	0%	no data