John Thomas Burns Sellas Life Sciences Group, Inc. (SLS) insider trading activity

John Thomas Burns is CFO of SELLAS Life Sciences Group, Inc.. Currently has a direct ownership of 554,327 shares of SLS, which is worth approximately $792,687. The most recent transaction as insider was on Jan 07, 2026, when has been sold 300,000 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 554K

85.36% 3M change

85.36% 12M change

Total Value Held $792,687

John Thomas Burns Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 07 2026	BUY Grant, award, or other acquisition	-	300,000 Added 35.12%	554,327 Common Stock
Dec 03 2025	SELL Other acquisition or disposition	$87,888 $1.5 p/Share	58,592 Reduced 18.72%	254,327 Common Stock
Jan 10 2025	BUY Grant, award, or other acquisition	-	194,300 Added 39.38%	299,062 Common Stock
Dec 04 2024	SELL Other acquisition or disposition	$8,096 $1.13 p/Share	7,165 Reduced 6.4%	104,762 Common Stock
Jan 22 2024	BUY Grant, award, or other acquisition	-	47,000 Added 31.56%	101,927 Common Stock
Dec 06 2023	SELL Other acquisition or disposition	$3,163 $1.08 p/Share	2,929 Reduced 5.06%	54,927 Class A Common Stock
Feb 02 2023	BUY Grant, award, or other acquisition	-	20,000 Added 28.84%	49,347 Common Stock

Dec 05 2022	SELL Open market or private sale	$3,001 $2.59 p/Share	1,159 Reduced 3.8%	29,347 Class A Common Stock
Jan 31 2022	BUY Grant, award, or other acquisition	-	9,600 Added 26.06%	27,244 Common Stock
Dec 02 2021	SELL Open market or private sale	$1,448 $6.27 p/Share	231 Reduced 1.29%	17,644 Common Stock
Mar 04 2021	BUY Grant, award, or other acquisition	-	2,875 Added 18.25%	12,875 Common Stock

JTB

John Thomas Burns

CFO

New York, NY

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells SLS shares.

Notify only if

Value

Insider Trading

Get notified when an Sellas Life Sciences Group, Inc. insider buys or sells SLS shares.

Notify only if

Operation

Value

Type

News

Receive news related to SELLAS Life Sciences Group, Inc.

Track Activities on SLS

Account