Rhythm Biosciences Ownership

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

Recent Insider Transactions

ASX:RHY Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
06 Aug 25	BuyAU$0	Fidelity International Ltd	Company	4,166,588	AU$0.15
01 Jul 25	BuyAU$250,679	Fidelity International Ltd	Company	3,133,482	AU$0.08
27 Jun 25	BuyAU$1,258,800	Catapult Sports Ltd	Company	22,479,168	AU$0.056
27 Jun 25	SellAU$1,258,800	Otto Buttula	Individual	22,479,168	AU$0.056
20 Jun 25	SellAU$49,487	Michelle Wing	Individual	817,437	AU$0.061

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 RHY?
Owner Type	Number of Shares	Ownership Percentage
State or Government	2,500,000	0.706%
Private Companies	20,721,176	5.86%
Public Companies	22,479,168	6.35%
Institutions	24,811,804	7.01%
Individual Insiders	52,929,361	15%
General Public	230,425,348	65.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 24.6%.

Top Shareholders

Top 21 shareholders own 34.88% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.01%	Fidelity International Ltd	24,811,804	AU$2.6m	0%	no data
6.35%	Catapult Sports Ltd	22,479,168	AU$2.4m	0%	no data
4%	Michelle Wing	14,140,906	AU$1.5m	0%	no data
3.93%	Otto Buttula	13,905,407	AU$1.5m	0%	no data
2.28%	Loumea Investment Pty Ltd	8,052,520	AU$845.5k	0%	no data
2.03%	Martin Breslin	7,175,000	AU$753.4k	0%	no data
1.32%	David Atkins	4,683,501	AU$491.8k	0%	no data
1.28%	Rojo Nero Capital Pty Ltd	4,541,619	AU$476.9k	0%	no data
1.26%	Dc & Pc Holdings Pty Ltd	4,465,567	AU$468.9k	0%	no data
1.03%	Giokir Pty Ltd	3,661,470	AU$384.5k	0%	no data
0.71%	Adrian Darby	2,512,328	AU$263.8k	0%	no data
0.71%	Commonwealth Scientific and Industrial Research Organisation	2,500,000	AU$262.5k	0%	no data
0.62%	Natalie Patterson	2,200,000	AU$231.0k	0%	no data
0.6%	Soo Hsien	2,134,442	AU$224.1k	0%	no data
0.42%	A. Veliss	1,500,000	AU$157.5k	0%	no data
0.42%	Mark Rogers	1,500,000	AU$157.5k	0%	no data
0.21%	Todd Perkinson	750,000	AU$78.7k	0%	no data
0.2%	J. M. Molyneux	716,668	AU$75.2k	0%	no data
0.2%	J. E. Hutchison	716,666	AU$75.2k	0%	no data
0.2%	W. A. Hutchison	716,666	AU$75.2k	0%	no data
0.079%	Gavin Fox-Smith	277,777	AU$29.2k	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/06/07 17:04
End of Day Share Price	2026/06/05 00:00
Earnings	2025/12/31
Annual Earnings	2025/06/30

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 world class team 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

Rhythm Biosciences Limited is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.