John Thomas Burns - 07 Jan 2026 Form 4 Insider Report for SELLAS Life Sciences Group, Inc. (SLS)

Role
CFO
Signature
/s/ Daniel Bagliebter, Power of Attorney For: John Burns
Issuer symbol
SLS
Transactions as of
07 Jan 2026
Net transactions value
$0
Form type
4
Filing time
09 Jan 2026, 16:33:13 UTC
Previous filing
05 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Burns John Thomas CFO C/O SELLAS LIFE SCIENCES GROUP, INC.,, 7 TIMES SQUARE, SUITE 2503, NEW YORK /s/ Daniel Bagliebter, Power of Attorney For: John Burns 09 Jan 2026 0001568734

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SLS Common Stock Award $0 +300,000 +118% $0.000000 554,327 07 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Person received an award of 300,000 restricted stock units on January 7, 2026, which shall vest as follows: (i) 25% on December 1, 2026 and (ii) 25% on each December 1 thereafter until fully vested, provided that the Reporting Person remains in service with the Issuer through each such vesting date.