John Thomas Burns

CIK: 0001568734

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (60.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (40.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SLS

SELLAS Life Sciences Group, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (5 total)

SLS
SELLAS Life Sciences Group, Inc.
Jan 7, 2026
Award(A)
Direct
300K shares-
SLS
SELLAS Life Sciences Group, Inc.
Dec 3, 2025
Other(J)
Direct
58.6K shares at avg. $1.50$88K
SLS
SELLAS Life Sciences Group, Inc.
Jan 10, 2025
Award(A)
Direct
113K shares-
SLS
SELLAS Life Sciences Group, Inc.
Jan 10, 2025
Award(A)
Direct
81.3K shares-
SLS
SELLAS Life Sciences Group, Inc.
Dec 4, 2024
Other(J)
Direct
7.2K shares at avg. $1.13$8K

		Type	Shares	Price		Ownership
Jan 7, 2026	SLS SELLAS Life Sciences Group, Inc.	Award(A)	300,000	-	$0	Direct
Dec 3, 2025	SLS SELLAS Life Sciences Group, Inc.	Other(J)	58,592	$1.50	$87,888	Direct
Jan 10, 2025	SLS SELLAS Life Sciences Group, Inc.	Award(A)	113,000	-	$0	Direct
Jan 10, 2025	SLS SELLAS Life Sciences Group, Inc.	Award(A)	81,300	-	$0	Direct
Dec 4, 2024	SLS SELLAS Life Sciences Group, Inc.	Other(J)	7,165	$1.13	$8,096	Direct

1-5 of 5 transactions

About Burns John Thomas

Burns John Thomas (SEC CIK 0001568734) files insider reports with the SEC as CFO of SELLAS Life Sciences Group, Inc. (SLS).

Signal8 holds 4 ownership filings by Burns John Thomas, all Form 4s, filed between Dec 5, 2024 and Jan 9, 2026. Those filings report 5 transactions, from Dec 4, 2024 to Jan 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Burns John Thomas's filings is in NEW YORK, NY.

Recent filings by Burns John Thomas

Jan 7, 2026: Grant or award of SLS shares (Form 4, code A).
Dec 3, 2025: Other transaction of SLS shares (Form 4, code J).
Jan 10, 2025: Grants or awards of SLS shares (2 lines, Form 4, code A).
Dec 4, 2024: Other transaction of SLS shares (Form 4, code J).

Other insiders filing for SELLAS Life Sciences Group, Inc. (SLS)

Stergiou Angelos M., President and CEO
Varian John, Director
VAN NOSTRAND ROBERT L, Director
SCHEINBERG DAVID A, Director
CICIC DRAGAN, SVP, Chief Development Officer
Kalin Katherine Bach, Director

How to read Form 4 transaction codes