NASDAQ: SLS
Sellas Life Sciences Group Inc Stock Ownership - Who owns Sellas Life Sciences Group?

Insider buying vs selling

Have Sellas Life Sciences Group Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
John Thomas BurnsCFO2025-12-0358,592$1.50
$87.89kSell
Dragan CicicSVP Chief Development Officer2025-12-0363,800$1.50
$95.70kSell
Angelos M. StergiouPresident and CEO2025-12-03187,066$1.50
$280.60kSell
Katherine Bach KalinDirector2025-11-1963,400$1.59
$100.81kBuy

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Net Insider Buy/Sell (L12M) Ownership

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SLS Shareholders

What type of owners hold Sellas Life Sciences Group Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc6.56%12,198,410$95.51MInstitution
State Street Corp4.51%8,396,356$65.74MInstitution
Vanguard Capital Management LLC4.05%7,525,929$58.93MInstitution
Hudson Bay Capital Management LP2.37%4,400,000$34.45MInsider
Geode Capital Management LLC2.10%3,912,606$30.64MInstitution
Marshall Wace LLP1.10%2,037,162$15.95MInstitution
Jones Financial Companies LLLP0.90%1,675,077$13.12MInstitution
Vanguard Portfolio Management LLC0.79%1,462,806$11.45MInstitution
Morgan Stanley0.72%1,336,293$10.46MInstitution
Northern Trust Corp0.69%1,275,984$9.99MInstitution

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SLS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SLS29.01%5.01%Net Selling
NVAX71.75%17.12%Net Selling
VIR73.01%26.99%Net SellingNet Selling
URGN82.19%17.81%Net SellingNet Selling
ATAI27.07%32.65%Net BuyingNet Buying

Sellas Life Sciences Group Stock Ownership FAQ

Who owns Sellas Life Sciences Group?

Sellas Life Sciences Group (NASDAQ: SLS) is owned by 29.01% institutional shareholders, 5.01% Sellas Life Sciences Group insiders, and 65.98% retail investors. Hudson Bay Capital Management LP is the largest individual Sellas Life Sciences Group shareholder, owning 4.40M shares representing 2.37% of the company. Hudson Bay Capital Management LP's Sellas Life Sciences Group shares are currently valued at $34.45M.

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