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NASDAQ: RNA
Atrium Therapeutics Inc Stock Ownership - Who owns Atrium Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Atrium Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sarah BoyceDirector2026-09-18126,418$8.95
$1.13MSell
W. Michael FlanaganDirector2026-09-1822,812$8.95
$204.17kSell
Kathleen P. GallagherCEO;Pres2026-09-1811,632$8.95
$104.11kSell
Rocio Martin HoyosCStrat2026-09-188,320$8.95
$74.46kSell
Steven George HughesMed2026-09-1821,459$8.95
$192.06kSell
Stephanie KenneyCXO2026-09-182,375$8.95
$21.26kSell
Brendan R. WinslowCFO2026-09-186,742$8.95
$60.34kSell
Husam YounisCSci2026-09-1811,216$8.95
$100.38kSell

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Net Insider Buy/Sell (L12M) Ownership

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RNA Shareholders

What type of owners hold Atrium Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Sarah Boyce0.81%138,668$1.09MInsider
Kathleen P. Gallagher0.70%119,729$938.68kInsider
Steven George Hughes0.30%51,638$404.84kInsider
Husam Younis0.24%41,441$324.90kInsider
Rocio Martin Hoyos0.22%38,340$300.59kInsider
Brendan R. Winslow0.22%36,859$288.97kInsider
Stephanie Kenney0.19%33,085$259.39kInsider
W. Michael Flanagan0.19%31,974$250.68kInsider
Troy Edward Wilson0.07%11,731$91.97kInsider
Carsten Boess0.06%11,005$86.28kInsider

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RNA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
RNA0.08%3.04%Net SellingNet Selling
TLSA0.00%82.25%Net BuyingNet Buying
SPRB0.01%99.99%Net Selling
ARMP0.01%99.99%Net SellingNet Selling
CRBU0.05%8.03%Net Selling
View Top Biotech Stocks

Atrium Therapeutics Stock Ownership FAQ

Who owns Atrium Therapeutics?

Atrium Therapeutics (NASDAQ: RNA) is owned by 0.08% institutional shareholders, 3.04% Atrium Therapeutics insiders, and 96.87% retail investors. Sarah Boyce is the largest individual Atrium Therapeutics shareholder, owning 138,668.00 shares representing 0.81% of the company. Sarah Boyce's Atrium Therapeutics shares are currently valued at $1.09M.

If you're new to stock investing, here's how to buy Atrium Therapeutics stock.
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