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SELLAS Life Sciences Group, Inc. (SLS)

SELLAS Life Sciences Group, Inc. (SLS) Insider Trading

Directors, officers and holders of more than 10% of SLS report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 37 most recent of 37 transactions on file: 4 with code P, 0 with code S and 33 with other codes.

DateInsiderCodeShares
Jun 16, 2026Stergiou Angelos M.A Award1,065,000
Jan 7, 2026Varian JohnA Award50,000
Jan 7, 2026VAN NOSTRAND ROBERT LA Award50,000
Jan 7, 2026SCHEINBERG DAVID AA Award50,000
Jan 7, 2026CICIC DRAGANA Award300,000
Jan 7, 2026Burns John ThomasA Award300,000
Jan 7, 2026Kalin Katherine BachA Award50,000
Jan 7, 2026Wasman JaneA Award50,000
Dec 3, 2025CICIC DRAGANJ Other63,800
Dec 3, 2025Burns John ThomasJ Other58,592
Dec 3, 2025Stergiou Angelos M.J Other187,066
Nov 19, 2025Kalin Katherine BachP Purchase63,400
Jun 12, 2025VAN NOSTRAND ROBERT LP Purchase10,000
May 30, 2025Wasman JaneP Purchase20,000
May 22, 2025Kalin Katherine BachP Purchase20,000
Jan 10, 2025CICIC DRAGANA Award169,500
Jan 10, 2025Burns John ThomasA Award113,000
Jan 10, 2025Burns John ThomasA Award81,300
Jan 10, 2025Stergiou Angelos M.A Award257,000
Jan 10, 2025Stergiou Angelos M.A Award243,900
Jan 10, 2025SCHEINBERG DAVID AA Award12,500
Jan 10, 2025Wasman JaneA Award12,500
Jan 10, 2025VAN NOSTRAND ROBERT LA Award12,500
Jan 10, 2025Kalin Katherine BachA Award12,500
Jan 10, 2025Varian JohnA Award12,500
Jan 10, 2025CICIC DRAGANA Award113,000
Jan 10, 2025CICIC DRAGANA Award81,300
Jan 10, 2025VAN NOSTRAND ROBERT LA Award18,500
Jan 10, 2025Kalin Katherine BachA Award18,500
Jan 10, 2025Varian JohnA Award18,500
Jan 10, 2025Burns John ThomasA Award169,500
Jan 10, 2025Stergiou Angelos M.A Award385,750
Jan 10, 2025SCHEINBERG DAVID AA Award18,500
Jan 10, 2025Wasman JaneA Award18,500
Dec 4, 2024Burns John ThomasJ Other7,165
Dec 4, 2024Stergiou Angelos M.J Other28,289
Dec 4, 2024CICIC DRAGANJ Other8,256

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.