Stock Fundamentals

Company Information

Company Name
Atrium Therapeutics, Inc. Common Stock
Sector
Healthcare
Industry
Biotechnology
Exchange
NASDAQ
ISIN: US05370A1088
CIK: 0001574111
CUSIP: N71546100
Currency: USD
Full Time Employees: 511
Phone: 619 876 0700
Fiscal Year End: December
IPO Date: Jun 28, 2013
Description:

Atrium Therapeutics, Inc., a biopharmaceutical company, focuses on delivering ribonucleic acid (RNA) therapeutics to the heart to transform the care for people living with cardiomyopathies. The company's development stage product candidates include ATR 1072, a siRNA-based therapy targeting PRKAG2 for the treatment of PRKAG2 syndrome; and ATR 1086, a siRNA-based therapy targeting PLN for the treatment of PLN cardiomyopathy. It also focuses on pipeline to treat a range of genetic and cardiac diseases. The company was incorporated in 2025 and is headquartered in San Diego, California.

Address:

10578 Science Center Drive, San Diego, CA, United States, 92121

Directors & Officers

Name Title Year Born
Ms. Kathleen P. Gallagher President, CEO & Director 1982
Mr. Brendan Winslow Chief Financial Officer 1988
Dr. Husam Younis Chief Scientific Officer 1974
Ms. Stephanie Kenney Chief Corporate Affairs Officer 1978
Dr. Steven George Hughes M.B.A., M.D. Chief Medical Officer 1968
Ms. Rocio Martin Hoyos Chief Strategy Officer NA

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Jan 21, 2026 Michael F Maclean N/A Sale 4.54K $72.45 $329.07K
Jan 21, 2026 Arthur A Levin N/A Sale 1.76K $72.45 $127.37K
Jan 21, 2026 W. Michael Flanagan N/A Sale 6.53K $72.45 $473.39K
Jan 21, 2026 Teresa Mccarthy N/A Sale 2.93K $72.45 $212.21K
Jan 21, 2026 Steven George Hughes N/A Sale 4.90K $72.45 $354.64K
Jan 21, 2026 Sarah Boyce N/A Sale 14.39K $72.45 $1.04M
Jan 07, 2026 Charles Calderaro III N/A Sale 3.73K $72.23 $269.20K
Jan 07, 2026 John B Moriarty N/A Sale 2.37K $72.23 $171.47K
Jan 07, 2026 Michael F Maclean N/A Sale 1.97K $72.23 $142.58K
Jan 07, 2026 Sarah Boyce N/A Sale 8.58K $72.23 $619.44K
Jan 07, 2026 Steven George Hughes N/A Sale 2.37K $72.23 $171.40K
Jan 07, 2026 Teresa Mccarthy N/A Sale 1.97K $72.23 $141.93K
Jan 07, 2026 W. Michael Flanagan N/A Sale 2.37K $72.23 $171.40K
Oct 22, 2025 Steven George Hughes N/A Sale 2.21K $47.54 $105.02K
Oct 15, 2025 Teresa Mccarthy N/A Sale 20.00K $50.15 $1.00M
Oct 03, 2025 Eric Mosbrooker N/A Sale 6.56K $45.38 $297.78K
Sep 22, 2025 Steven George Hughes N/A Sale 2.21K $40.58 $89.60K
Sep 05, 2025 Sarah Boyce N/A Sale 50.00K $49.95 $2.50M
Sep 05, 2025 Troy Edward Wilson N/A Sale 29.50K $50.00 $1.48M
Sep 03, 2025 Eric Mosbrooker N/A Sale 6.56K $47.07 $308.92K

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Vanguard Group Inc 13.65M Dec 31, 2025 8.80% $0.01 3.25%
BlackRock Inc 12.85M Dec 31, 2025 8.28% $0.02 39.64%
RA Capital Management, LLC 8.64M Dec 31, 2025 5.57% $6.39 0.00%
HHG PLC 6.94M Dec 31, 2025 4.47% $0.22 -52.22%
Balyasny Asset Management LLC 6.04M Dec 31, 2025 3.89% $0.55 0.00%
Pentwater Capital Management LP 6.03M Dec 31, 2025 3.88% $2.29 0.00%
State Street Corp 4.10M Dec 31, 2025 2.64% $0.01 -16.18%
The Goldman Sachs Group Inc 3.78M Dec 31, 2025 2.43% $0.03 118.00%
UBS O'Connor LLC 3.72M Dec 31, 2025 2.40% $7.94 0.00%
Farallon Capital Management, L.L.C. 3.23M Dec 31, 2025 2.08% $1.06 0.00%
Geode Capital Management, LLC 3.12M Dec 31, 2025 2.01% $0.01 9.19%
NORGES BANK 3.05M Dec 31, 2025 1.96% $0.02 206.13%
Bellevue Group AG 2.63M Dec 31, 2025 1.70% $3.60 22.21%
Adage Capital Partners Gp LLC 2.63M Dec 31, 2025 1.70% $0.29 119.25%
UBS Group AG 2.36M Dec 31, 2025 1.52% $0.03 79.11%
Weiss Asset Management LP 2.16M Dec 31, 2025 1.39% $2.06 0.00%
Millennium Management LLC 2.16M Dec 31, 2025 1.39% $0.07 7,182.42%
Test Hedge Fund Mgmt 1.80M Dec 31, 2025 1.16% $6.02 0.00%
Citadel Advisors Llc 1.59M Dec 31, 2025 1.03% $0.02 76.98%
Charles Schwab Investment Management Inc 1.18M Dec 31, 2025 0.76% $0.01 5.15%

Shares Statistics

Shares Outstanding: 17.11M
Shares Float: 15.76M
% Insiders: 426.70%
% Institutions: 8,767.60%
Short % Float: 6.62%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 iShares Russell 2000 ETF 2.77M 1.79% ▲ 0.00% Feb 28, 2026
2 BB Biotech AG Ord 2.15M 1.39% ▲ 0.00% Sep 30, 2025
3 BlackRock Event Driven Equity Instl 1.75M 1.13% ▲ 0.00% Jan 31, 2026
4 Janus Henderson Mid Cap Growth MA 1.67M 1.08% ▲ 0.00% Sep 30, 2025
5 iShares Russell 2000 Growth ETF 887.89K 0.57% ▲ 0.00% Feb 28, 2026
6 NexPoint Merger Arbitrage Z 824.40K 0.53% ▲ 0.00% Dec 31, 2025
7 Westchester Merger Arbitrage Composite 817.75K 0.53% ▲ 0.00% Dec 31, 2025
8 The Merger Fund A 817.75K 0.53% ▲ 0.00% Dec 31, 2025
9 Russell 2000 Equity Index Fund B 719.12K 0.46% ▲ 10.72% Dec 31, 2025
10 State St Russell Sm/Mid Cp® Indx SL Cl I 659.71K 0.43% ▲ 0.64% Jan 31, 2026

Valuation Metrics

Enterprise Value: $-53.57M
Trailing P/E: 0.00
Forward P/E: 0.00

Financial Highlights

Market Cap: $211.60M
EBITDA: $-59.04M
PEG Ratio: $0.00
Book Value: $13.69
Earnings/Share: $-5.02
Profit Margin: -159.99%
Operating Margin: -88.01%
ROA (TTM): -399.25%
ROE (TTM): -43.98%
Revenue (TTM): $36.68M
Revenue/Share (TTM): $2.14
Earnings Growth (YOY): 0.00%
Revenue Growth (YOY): 1,148.30%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 6.53x 0.02x 0.26x N/A -0.05x
2024-12-31 15.73x 0.00x 0.09x N/A -0.01x
2023-12-31 7.58x 0.01x 0.20x N/A -0.02x
2022-12-31 12.00x 0.01x 0.10x -31.44x -0.02x
2021-12-31 13.86x 0.00x 0.11x -184.74x -0.02x
2020-12-31 22.74x 0.03x 0.08x -211.85x -0.18x
2019-12-31 9.35x -0.07x 1.67x -2.35x -0.27x
2018-12-31 0.70x -0.25x 11.33x -14.62x -1.02x
2013-12-31 0.00x 0.12x 0.30x N/A N/A
2012-12-31 0.00x 0.40x 0.67x N/A N/A
2011-12-31 0.00x 0.95x 0.90x N/A N/A

📦 Raw API Data (JSON Explorer)

Watchlist

0

No stocks in watchlist

Assistant

×
Hello! I'm your AI assistant. I have access to the financial data on this page. Ask me anything about RNA.US!