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SLS Insider Trading

Insider Ownership Percentage: 1.40%
Insider Buying (Last 12 Months): $149,406.00
Insider Selling (Last 12 Months): $0.00

SELLAS Life Sciences Group Insider Trading History Chart

This chart shows the insider buying and selling history at SELLAS Life Sciences Group by year and by quarter.

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SELLAS Life Sciences Group Share Price & Price History

Current Price: $1.74
Price Change: ▲ Price Increase of +0.2 (12.99%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for SLS up to the past year.

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Days: 30 | 90 | 365

SELLAS Life Sciences Group Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/19/2025Katherine Bach KalinDirectorBuy63,400$1.59$100,806.00104,400View SEC Filing Icon  
6/12/2025Nostrand Robert L VanDirectorBuy10,000$1.48$14,800.0020,400View SEC Filing Icon  
5/30/2025Jane WasmanDirectorBuy20,000$1.69$33,800.0030,400View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for SELLAS Life Sciences Group (NASDAQ:SLS)

17.38% of SELLAS Life Sciences Group stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at SLS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

SELLAS Life Sciences Group Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Millennium Management LLC314,702$0.51M0.0%-72.1%0.252%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.44,647$72K0.0%-14.5%0.036%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE42,150$68K0.0%+21.9%0.034%Search for SEC Filing on Google Icon
11/17/2025Anson Funds Management LP6,032,938$9.71M0.8%+2,093.8%4.823%Search for SEC Filing on Google Icon
11/14/2025Equitable Holdings Inc.27,060$44K0.0%+58.6%0.022%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP145,856$0.24M0.0%-26.2%0.117%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC46,180$74K0.0%+186.4%0.037%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.26,581$43K0.0%N/A0.021%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets19,724$32K0.0%+89.2%0.016%Search for SEC Filing on Google Icon
11/12/2025Trustmark Bank Trust Department36,511$59K0.0%N/A0.029%Search for SEC Filing on Google Icon
11/7/2025Axxcess Wealth Management LLC16,000$26K0.0%N/A0.013%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP518,995$0.84M0.1%+21.7%0.415%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.6,839,905$11.01M0.0%+2.8%5.468%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.40,722$66K0.0%-34.2%0.033%Search for SEC Filing on Google Icon
11/4/2025Tyche Wealth Partners LLC37,500$60K0.0%N/A0.030%Search for SEC Filing on Google Icon
11/4/2025Everhart Financial Group Inc.331,150$0.53M0.1%N/A0.265%Search for SEC Filing on Google Icon
11/3/2025Genesee Capital Advisors LLC30,000$48K0.0%N/A0.024%Search for SEC Filing on Google Icon
10/31/2025Instrumental Wealth LLC44,914$72K0.1%N/A0.036%Search for SEC Filing on Google Icon
10/31/2025Stoneridge Investment Partners LLC53,709$86K0.1%N/A0.043%Search for SEC Filing on Google Icon
10/31/2025Opus Capital Group LLC250,000$0.40M0.0%+4.2%0.200%Search for SEC Filing on Google Icon
10/29/2025Scissortail Wealth Management LLC27,322$44K0.0%N/A0.022%Search for SEC Filing on Google Icon
10/22/2025NORTHSTAR ASSET MANAGEMENT Co40,320$65K0.0%N/A0.032%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC17,444$28K0.0%-36.6%0.017%Search for SEC Filing on Google Icon
8/15/2025Great Valley Advisor Group Inc.20,000$44K0.0%N/A0.019%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE34,579$76K0.0%+5,459.3%0.033%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.52,210$0.11M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 34,551$76K0.0%N/A0.035%Search for SEC Filing on Google Icon
8/13/2025Marshall Wace LLP2,715,489$5.95M0.0%+23,550.0%2.721%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.50,166$0.11M0.0%N/A0.050%Search for SEC Filing on Google Icon
8/13/2025New York State Common Retirement Fund49,300$0.11M0.0%N/A0.049%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd76,900$0.17M0.0%N/A0.077%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers135,789$0.30M0.0%N/A0.136%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.61,892$0.14M0.0%N/A0.062%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC46,217$0.10M0.0%N/A0.046%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey23,351$51K0.0%N/A0.023%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC2,200,428$4.82M0.0%+168.2%2.205%Search for SEC Filing on Google Icon
8/7/2025ProShare Advisors LLC19,571$43K0.0%N/A0.020%Search for SEC Filing on Google Icon
8/4/2025Simon Quick Advisors LLC20,000$44K0.0%N/A0.020%Search for SEC Filing on Google Icon
7/24/2025Blair William & Co. IL16,002$35K0.0%N/A0.016%Search for SEC Filing on Google Icon
5/14/2025Anson Funds Management LP7,579,095$8.19M1.3%+535.7%7.596%Search for SEC Filing on Google Icon
5/12/2025Virtu Financial LLC53,861$58K0.0%+30.9%0.057%Search for SEC Filing on Google Icon
2/28/2025Brooklyn FI LLC594,919$0.68M0.1%N/A0.845%Search for SEC Filing on Google Icon
2/17/2025Anson Funds Management LP1,192,266$1.24M0.1%+50.2%1.694%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp134,721$0.14M0.0%+33.6%0.191%Search for SEC Filing on Google Icon
2/13/2025XTX Topco Ltd53,426$56K0.0%-14.9%0.076%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC733,546$0.76M0.0%+21.2%1.042%Search for SEC Filing on Google Icon
2/11/2025Virtu Financial LLC41,155$43K0.0%-48.1%0.058%Search for SEC Filing on Google Icon
2/11/2025Brooklyn FI LLC594,919$0.68M0.0%N/A0.845%Search for SEC Filing on Google Icon
1/31/2025Opus Capital Group LLC238,500$0.25M0.0%+5.5%0.339%Search for SEC Filing on Google Icon
11/20/2024Virtu Financial LLC79,241$99K0.0%+24.1%0.113%Search for SEC Filing on Google Icon
11/16/2024Geode Capital Management LLC605,191$0.76M0.0%+17.1%0.941%Search for SEC Filing on Google Icon
11/15/2024Anson Funds Management LP793,835$0.99M0.0%N/A1.234%Search for SEC Filing on Google Icon
11/15/2024XTX Topco Ltd62,785$78K0.0%N/A0.098%Search for SEC Filing on Google Icon
11/15/2024State Street Corp174,529$0.22M0.0%+30.2%0.271%Search for SEC Filing on Google Icon
8/9/2024Renaissance Technologies LLC32,446$39K0.0%N/A0.056%Search for SEC Filing on Google Icon
5/20/2024Virtu Financial LLC39,429$40K0.0%-34.2%0.068%Search for SEC Filing on Google Icon
5/14/2024Anson Funds Management LP4,832,368$4.88M0.3%N/A8.366%Search for SEC Filing on Google Icon
4/26/2024Opus Capital Group LLC200,600$0.20M0.0%+48.6%0.356%Search for SEC Filing on Google Icon
2/13/2024Armistice Capital LLC820,000$0.87M0.0%N/A2.558%Search for SEC Filing on Google Icon
1/31/2024Opus Capital Group LLC135,000$0.14M0.0%+291.3%0.421%Search for SEC Filing on Google Icon
9/12/2023Prosperity Financial Group Inc.29,800$47K0.0%N/A0.105%Search for SEC Filing on Google Icon
5/11/2023Highbridge Capital Management LLC1,805,054$2.58M0.0%N/A6.367%Search for SEC Filing on Google Icon
1/18/2023Opus Capital Group LLC19,672$46K0.0%N/A0.096%Search for SEC Filing on Google Icon
11/15/2022Empery Asset Management LP308,466$0.62M3.7%-66.8%1.501%Search for SEC Filing on Google Icon
2/14/2022GSA Capital Partners LLP10,447$58K0.0%N/A0.066%Search for SEC Filing on Google Icon
2/11/2022Equitable Holdings Inc.102,000$0.56M0.0%+2.0%0.642%Search for SEC Filing on Google Icon
11/12/2021Jump Financial LLC14,627$0.13M0.0%N/A0.092%Search for SEC Filing on Google Icon
11/12/2021Equitable Holdings Inc.100,000$0.92M0.0%+6.0%0.630%Search for SEC Filing on Google Icon
11/12/2021Geode Capital Management LLC133,801$1.23M0.0%+32.0%0.843%Search for SEC Filing on Google Icon
8/17/2021Price T Rowe Associates Inc. MD15,500$0.17M0.0%-42.8%0.103%Search for SEC Filing on Google Icon
8/16/2021State Street Corp37,468$0.42M0.0%N/A0.248%Search for SEC Filing on Google Icon
Data available starting January 2016

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SELLAS Life Sciences Group logo
SELLAS Life Sciences Group, Inc., a late-stage clinical biopharmaceutical company, focuses on the development of novel cancer immunotherapies for various cancer indications in the United States. The company's lead product candidate is galinpepimut-S (GPS), a cancer immunotherapeutic agent that targets Wilms tumor 1, which is in Phase 3 clinical trials for the treatment of acute myeloid leukemia; and in Phase 1/2 clinical trials for the treatment for ovarian cancer. It has a strategic collaboration with Merck & Co., Inc. to evaluate GPS as it is administered in combination with PD1 blocker pembrolizumab in a Phase 1/2 clinical trial enrolling patients in up to five cancer indications, including hematologic malignancies and solid tumors; and GenFleet Therapeutics (Shanghai), Inc. for the development and commercialization of GFH009, a highly selective small molecule CDK9 inhibitor, currently under Phase 1 clinical trials. SELLAS Life Sciences Group, Inc. is headquartered in New York, New York.
Read More on SELLAS Life Sciences Group

Today's Range

Now: $1.74
Low: $1.52
High: $1.84

50 Day Range

MA: $1.73
Low: $1.39
High: $2.18

52 Week Range

Now: $1.74
Low: $0.77
High: $2.48

Volume

10,229,470 shs

Average Volume

3,337,089 shs

Market Capitalization

$247.85 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.51

Who are the company insiders with the largest holdings of SELLAS Life Sciences Group?

SELLAS Life Sciences Group's top insider investors include:
  1. Katherine Bach Kalin (Director)
  2. Jane Wasman (Director)
  3. Nostrand Robert L Van (Director)
Learn More about top insider investors at SELLAS Life Sciences Group.

Who are the major institutional investors of SELLAS Life Sciences Group?

SELLAS Life Sciences Group's top institutional investors include:
  1. Vanguard Group Inc. — 5.47%
  2. Anson Funds Management LP — 4.82%
  3. GSA Capital Partners LLP — 0.41%
  4. Everhart Financial Group Inc. — 0.26%
  5. Millennium Management LLC — 0.25%
  6. Opus Capital Group LLC — 0.20%
Learn More about top institutional investors of SELLAS Life Sciences Group stock.

Which institutional investors are selling SELLAS Life Sciences Group stock?

Within the previous quarter, SLS stock was sold by these institutional investors:
  1. Millennium Management LLC
  2. Two Sigma Investments LP
  3. JPMorgan Chase & Co.
  4. Group One Trading LLC
  5. Voya Investment Management LLC
  6. MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

Which institutional investors are buying SELLAS Life Sciences Group stock?

In the previous quarter, SLS stock was bought by institutional investors including:
  1. Anson Funds Management LP
  2. Everhart Financial Group Inc.
  3. Vanguard Group Inc.
  4. GSA Capital Partners LLP
  5. Stoneridge Investment Partners LLC
  6. Instrumental Wealth LLC
  7. NORTHSTAR ASSET MANAGEMENT Co
  8. Tyche Wealth Partners LLC
During the previous year, these company insiders have bought SELLAS Life Sciences Group stock:
  1. Katherine Bach Kalin (Director)
  2. Jane Wasman (Director)
  3. Nostrand Robert L Van (Director)
Learn More investors buying SELLAS Life Sciences Group stock.