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

Historic Insider Ownership Trends

Over the 90-day window ending January 10, 2026, SELLAS Life Sciences Group's three dominant insider ownership positions are held by President And Ceo Angelos M. Stergiou (686.97K shares), Svp And Chief Development Officer Dragan Cicic (557.80K shares), Cfo John Thomas Burns (554.33K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Angelos M. Stergiou President And Ceo 686,966 05 Dec, 2025
Dragan Cicic Svp And Chief Development Officer 557,805 09 Jan, 2026
John Thomas Burns Cfo 554,327 09 Jan, 2026
Katherine Bach Kalin 154,400 09 Jan, 2026
Barbara A Wood Evp And Gen. Counsel And Corp. Sec. 117,225 25 Jan, 2024
Jane Wasman 92,900 09 Jan, 2026
Nostrand Robert L Van 82,900 09 Jan, 2026
David A Scheinberg 73,082 09 Jan, 2026
John Varian 72,900 09 Jan, 2026
Robert Francomano Chief Commercial Officer 40,918 25 Jan, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
07 Jan, 2026 Nostrand Robert L Van Common Stock A 50,000 $0.00 82,900 D A
07 Jan, 2026 David A Scheinberg Common Stock A 50,000 $0.00 73,082 D A
07 Jan, 2026 Jane Wasman Common Stock A 50,000 $0.00 92,900 D A
07 Jan, 2026 John Varian Common Stock A 50,000 $0.00 72,900 D A
07 Jan, 2026 Dragan Cicic Common Stock A 300,000 $0.00 557,805 D A
07 Jan, 2026 John Thomas Burns Common Stock A 300,000 $0.00 554,327 D A
07 Jan, 2026 Katherine Bach Kalin Common Stock A 50,000 $0.00 154,400 D A
03 Dec, 2025 Dragan Cicic Common Stock D 63,800 $1.50 257,805 D J
03 Dec, 2025 John Thomas Burns Common Stock D 58,592 $1.50 254,327 D J
03 Dec, 2025 Angelos M. Stergiou Common Stock D 187,066 $1.50 686,966 D J
03 Dec, 2025 Angelos M. Stergiou - - 686,966 D
19 Nov, 2025 Katherine Bach Kalin Common Stock A 63,400 $1.59 104,400 D P
12 Jun, 2025 Nostrand Robert L Van Common Stock A 10,000 $1.48 20,400 D P
12 Jun, 2025 Nostrand Robert L Van - - 20,400 D
30 May, 2025 Jane Wasman Common Stock A 20,000 $1.69 30,400 D P
30 May, 2025 Jane Wasman - - 30,400 D
22 May, 2025 Katherine Bach Kalin Common Stock A 20,000 $1.80 41,000 D P
10 Jan, 2025 Nostrand Robert L Van Common Stock A 12,500 $0.00 22,900 D A
10 Jan, 2025 David A Scheinberg Common Stock A 12,500 $0.00 23,082 D A
10 Jan, 2025 Jane Wasman Common Stock A 12,500 $0.00 22,900 D A