Cartesian Therapeutics Ownership

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

Recent Insider Transactions

NasdaqGM:RNAC Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
06 Jan 26	SellUS$24,367	Milos Miljkovic	Individual	3,573	US$6.82
06 Jan 26	SellUS$72,227	Blaine Davis	Individual	10,591	US$6.82
06 Jan 26	SellUS$162,077	Carsten Brunn	Individual	23,766	US$6.82
04 Dec 25	BuyUS$205,797	Timothy Barabe	Individual	30,000	US$6.86

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 RNAC?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	383,796	1.27%
Hedge Funds	2,254,619	7.45%
General Public	5,000,895	16.5%
Institutions	6,487,604	21.4%
Individual Insiders	16,128,438	53.3%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 16.4%.

Top Shareholders

Top 25 shareholders own 78.71% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
31.8%	Timothy Springer	9,628,915	US$78.9m	0%	no data
19.2%	Murat Kalayoglu	5,815,682	US$47.6m	14.9%	no data
7.45%	Squarepoint OPS LLC	2,254,619	US$18.5m	0.72%	0.04%
2.71%	BlackRock, Inc.	819,239	US$6.7m	36.7%	no data
2.15%	683 Capital Management, LLC	650,000	US$5.3m	97%	0.47%
2.14%	Vanguard Capital Management, LLC	647,677	US$5.3m	35.5%	no data
1.27%	Thirsty Brook 2010 Irrevocable Trust	383,796	US$3.1m	0%	no data
1.22%	FMR LLC	368,429	US$3.0m	-53.9%	no data
1.18%	Geode Capital Management, LLC	356,525	US$2.9m	35.2%	no data
1.15%	AQR Capital Management, LLC	348,003	US$2.9m	330%	no data
1.02%	Millennium Management LLC	309,887	US$2.5m	8.99%	no data
0.98%	Two Sigma Investments, LP	296,293	US$2.4m	77.1%	no data
0.82%	State Street Investment Management	249,212	US$2.0m	24.4%	no data
0.78%	Michael Singer	237,438	US$1.9m	0%	no data
0.77%	Marshall Wace LLP	232,919	US$1.9m	-7.25%	no data
0.7%	UBS Asset Management AG	213,180	US$1.7m	50.8%	no data
0.66%	Janus Henderson Group Ltd.	200,905	US$1.6m	0%	no data
0.5%	Privium Fund Management BV	151,675	US$1.2m	-15.3%	0.17%
0.35%	Northern Trust Global Investments	105,698	US$865.7k	14.9%	no data
0.35%	Christopher Jewell	104,877	US$858.9k	1,230%	no data
0.33%	ADAR1 Capital Management, LLC	98,877	US$809.8k	0%	0.04%
0.29%	Vanguard Portfolio Management, LLC	87,317	US$715.1k	44.1%	no data
0.29%	Diadema Partners LP	87,057	US$713.0k	0%	0.25%
0.28%	Bank of America Corporation	84,624	US$693.1k	0%	no data
0.27%	Walleye Capital LLC	81,828	US$670.2k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/09/13 06:10
End of Day Share Price	2026/09/11 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Cartesian Therapeutics, Inc. is covered by 9 analysts. 8 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Julian Harrison	BTIG
John Newman	Canaccord Genuity
Kristen Kluska	Cantor Fitzgerald & Co.