Castle Biosciences Ownership

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

Recent Insider Transactions

NasdaqGM:CSTL Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
05 Jun 23	BuyUS$69,004	Ellen Goldberg	Individual		4,800	US$17.27

Insider Trading Volume

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

Ownership Breakdown

What is the ownership structure of CSTL?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	48,585	0.176%
Individual Insiders	764,433	2.77%
General Public	1,558,945	5.65%
Institutions	25,215,099	91.4%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 3.4%.

Top Shareholders

Top 25 shareholders own 75.31% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.25%	Wasatch Advisors LP	2,551,088	US$51.2m	-1.54%	0.19%
8.28%	BlackRock, Inc.	2,283,199	US$45.8m	6.88%	no data
7.85%	Granahan Investment Management, LLC	2,166,471	US$43.5m	-12.9%	1.5%
5.75%	Principal Global Investors, LLC	1,585,639	US$31.8m	6.98%	0.02%
5.3%	The Vanguard Group, Inc.	1,461,481	US$29.3m	1.53%	no data
4.47%	Bellevue Asset Management AG	1,232,378	US$24.7m	0.35%	0.27%
3.5%	Deerfield Management Company, L.P. Series C	965,428	US$19.4m	1.99%	0.4%
2.64%	Portolan Capital Management, LLC	728,653	US$14.6m	188%	1.12%
2.6%	Millennium Management LLC	716,350	US$14.4m	20.4%	0.01%
2.41%	Jackson National Asset Management, LLC	663,980	US$13.3m	-14.2%	0.26%
2.41%	Dimensional Fund Advisors LP	663,882	US$13.3m	19.5%	no data
2.1%	State Street Global Advisors, Inc.	579,918	US$11.6m	2.61%	no data
2.05%	Geode Capital Management, LLC	566,115	US$11.4m	5.57%	no data
1.97%	Kornitzer Capital Management, Inc.	542,874	US$10.9m	-16.3%	0.18%
1.95%	Palisade Capital Management, LP	539,135	US$10.8m	-10.5%	0.31%
1.95%	Jacobs Levy Equity Management Inc	536,787	US$10.8m	-1.94%	0.05%
1.7%	Morgan Stanley, Investment Banking and Brokerage Investments	468,252	US$9.4m	1,470%	no data
1.5%	Derek Maetzold	414,990	US$8.3m	-4.09%	no data
1.29%	Parkman Healthcare Partners LLC	357,156	US$7.2m	59%	0.98%
1.2%	Strategic Advisers LLC	329,861	US$6.6m	0%	no data
1.19%	Citadel Advisors LLC	328,749	US$6.6m	-36.5%	0.01%
1.18%	Intrinsic Edge Capital Management LLC	326,270	US$6.5m	109%	0.7%
1.01%	Columbia Management Investment Advisers, LLC	279,727	US$5.6m	5.16%	no data
0.91%	Northern Trust Global Investments	249,983	US$5.0m	2.52%	no data
0.86%	New York State Common Retirement Fund	237,126	US$4.8m	-3.56%	0.01%