NASDAQ:SLS

Sellas Life Sciences Group Stock Insider Trading

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$8.23
-0.81 (-8.96%)
At Close: Jun 05, 2026

SELLAS Life Sciences Group Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 84.97. In total, the insiders bought 6.16M and sold 396.88K SLS shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
84.97
Buy 6.16M shares
Sell 396.88K shares
91% Buy Activity
Weak Negative Correlation
Sell Signal Low Confidence
Jun 01, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory positive Insider Power Score of 84.97.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Jan 22, 2024
Buy
Common Stock
A-Award
Scheinberg David A
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Scheinberg David A
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Wood Barbara A
EVP, Gen. Counsel, Corp. Sec.
Officer 35 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Wood Barbara A
EVP, Gen. Counsel, Corp. Sec.
Officer 50 000
Value: $26.0K
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Kalin Katherine Bach
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Kalin Katherine Bach
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Common Stock
A-Award
Wasman Jane
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Wasman Jane
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Francomano Robert
Chief Commercial Officer
Officer 20 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Francomano Robert
Chief Commercial Officer
Officer 30 000
Value: $15.6K
Jan 22, 2024
Buy
Common Stock
A-Award
Varian John
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Varian John
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Van Nostrand Robert L
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Van Nostrand Robert L
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Burns John Thomas
CFO
C-Suite Officer 47 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Burns John Thomas
CFO
C-Suite Officer 75 000
Value: $39.0K
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Wasman Jane
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Wasman Jane
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Common Stock
A-Award
Kalin Katherine Bach
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Kalin Katherine Bach
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Wood Barbara A
EVP, Gen. Counsel, Corp. Sec.
Officer 50 000
Value: $26.0K
Jan 22, 2024
Buy
Common Stock
A-Award
Wood Barbara A
EVP, Gen. Counsel, Corp. Sec.
Officer 35 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Scheinberg David A
Director
Director 10 000
Value: $5K
Jan 22, 2024
Buy
Common Stock
A-Award
Scheinberg David A
Director
Director 6 000
Value: $0
Jan 22, 2024
Buy
Stock Option (Right to Buy)
A-Award
Stergiou Angelos M.
President And CEO
CEO / President 238 500
Value: $123.9K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT SELLAS LIFE SCIENCES GROUP INC.
SELLAS Life Sciences Group
SELLAS Life Sciences Group, Inc., a late-stage biopharmaceutical company, focuses on the development of novel cancer immunotherapies for various cancer indications in the United States. Its lead product candidate is galinpepimut-S (GPS), a cancer immunotherapeutic agent that targets Wilms tumor 1, which is in Phase III clinical trials for the treatment of acute myeloid leukemia; and in Phase 1/2 clinical trials for the treatment for ovarian cance...
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