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
Nostrand Robert L. VanDirector2025-06-1210,000$1.48
$14.80kBuy
Jane WasmanDirector2025-05-3020,000$1.69
$33.80kBuy
Katherine Bach KalinDirector2025-05-2220,000$1.80
$36.00kBuy

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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
Vanguard Group Inc4.80%6,839,905$30.10MInstitution
Anson Funds Management LP4.24%6,032,938$26.54MInstitution
Blackrock Inc3.99%5,686,886$25.02MInstitution
Hudson Bay Capital Management LP3.09%4,400,000$19.36MInsider
Marshall Wace LLP1.66%2,357,999$10.38MInstitution
Geode Capital Management LLC1.59%2,264,384$9.96MInstitution
State Street Corp0.96%1,360,914$5.99MInstitution
Robert Eugene Kennedy0.79%1,130,300$4.97MInsider
Morgan Stanley0.74%1,054,791$4.64MInstitution
Nuveen LLC0.70%997,910$4.39MInstitution

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SLS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
SLS23.11%6.55%Net SellingNet Selling
FULC65.04%34.96%Net SellingNet Selling
DNA9.27%90.73%Net SellingNet Selling
RGNX76.25%23.75%Net SellingNet Selling
DSGN45.88%54.12%Net Selling

Sellas Life Sciences Group Stock Ownership FAQ

Who owns Sellas Life Sciences Group?

Sellas Life Sciences Group (NASDAQ: SLS) is owned by 23.11% institutional shareholders, 6.55% Sellas Life Sciences Group insiders, and 70.34% retail investors. Hudson Bay Capital Management LP is the largest individual Sellas Life Sciences Group shareholder, owning 4.40M shares representing 3.09% of the company. Hudson Bay Capital Management LP's Sellas Life Sciences Group shares are currently valued at $17.45M.

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