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OptiNose Ownership

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

Recent Insider Transactions

NasdaqGS:OPTN Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
18 Mar 25	SellUS$2,064	Ramy Mahmoud	Individual	368	US$5.61
18 Mar 25	SellUS$1,380	Michael Marino	Individual	246	US$5.61
04 Mar 25	SellUS$6,470	Paul Spence	Individual	1,223	US$5.29
04 Mar 25	SellUS$11,347	Michael Marino	Individual	2,145	US$5.29
04 Mar 25	SellUS$33,729	Ramy Mahmoud	Individual	6,376	US$5.29

Insider Trading Volume

Insider Buying: OPTN insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of OPTN?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	543,007	5.36%
VC/PE Firms	973,684	9.61%
Hedge Funds	2,294,465	22.7%
General Public	2,297,715	22.7%
Institutions	4,018,510	39.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 76.06% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.6%	FMR LLC	1,076,506	US$10.5m	0.4%	no data
9.73%	Nantahala Capital Management, LLC	985,333	US$9.6m	-0.07%	0.68%
9.61%	MVM Partners LLP	973,684	US$9.5m	0%	48.99%
7.79%	Stonepine Capital Management LLC	788,647	US$7.7m	34%	3.71%
5.14%	Kingdon Capital Management, L.L.C.	520,485	US$5.1m	39.4%	1.0%
4.8%	Theodore Kruttschnitt	486,000	US$4.7m	0%	no data
4.17%	Acorn Bioventures	422,814	US$4.1m	0%	2.89%
3.41%	CM-CIC Asset Management SA	345,000	US$3.3m	0%	0.02%
3.29%	D. E. Shaw & Co., L.P.	333,333	US$3.2m	0%	no data
2.9%	The Vanguard Group, Inc.	294,104	US$2.9m	14.5%	no data
2.66%	Bleichroeder LP	269,675	US$2.6m	0%	0.66%
2.53%	Rosalind Advisors, Inc.	256,190	US$2.5m	-70.8%	0.85%
1.91%	Opaleye Management Inc.	193,039	US$1.9m	0%	0.4%
1.55%	Easterly Investment Partners LLC	156,666	US$1.5m	236%	0.11%
0.89%	Geode Capital Management, LLC	89,684	US$870.8k	4.08%	no data
0.79%	GAMCO Investors, Inc.	80,018	US$777.0k	0%	no data
0.67%	Susquehanna International Group, LLP, Asset Management Arm	67,547	US$655.9k	-1.34%	no data
0.61%	Black Maple Capital Management LP	61,485	US$597.0k	0%	0.45%
0.6%	Gabelli & Company Investment Advisers, Inc.	60,800	US$590.4k	0%	0.11%
0.59%	Prescott Group Capital Management L.L.C.	60,135	US$583.9k	-0.01%	0.07%
0.47%	BlackRock, Inc.	47,988	US$466.0k	-14.1%	no data
0.46%	Rice Hall James & Associates, LLC	46,453	US$451.1k	-37.6%	0.03%
0.34%	Ramy Mahmoud	34,163	US$331.7k	0%	no data
0.28%	State Street Global Advisors, Inc.	28,027	US$272.1k	-0.01%	no data
0.25%	Gts Securities Llc., Asset Management Arm	25,196	US$244.7k	0%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/20 17:16
End of Day Share Price	2025/05/20 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

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 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

OptiNose, Inc. is covered by 6 analysts. 2 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
Gary Nachman	BMO Capital Markets Equity Research
Glen Santangelo	Jefferies LLC
David Steinberg	Jefferies LLC