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

Historic Insider Ownership Trends

SELLAS Life Sciences's three largest insider shareholders as of March 23, 2026 are Angelos M. Stergiou (President And Ceo, 686.97K shares), Dragan Cicic (Svp, Chief Development Officer, 557.80K shares), John Thomas Burns (Cfo, 554.33K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Angelos M. Stergiou President And Ceo 686,966 0 05 Dec, 2025
Dragan Cicic Svp, Chief Development Officer 557,805 0 09 Jan, 2026
John Thomas Burns Cfo 554,327 0 09 Jan, 2026
Katherine Bach Kalin 154,400 0 09 Jan, 2026
Barbara A Wood Evp, Gen. Counsel, Corp. Sec. 117,225 0 24 Jan, 2024
Jane Wasman 92,900 0 09 Jan, 2026
Nostrand Robert L Van 82,900 0 09 Jan, 2026
David A Scheinberg 73,082 0 09 Jan, 2026
John Varian 72,900 0 09 Jan, 2026
Robert Francomano Chief Commercial Officer 40,918 0 24 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 Dragan Cicic Common Stock A 300,000 $0.00 557,805 D A
07 Jan, 2026 Katherine Bach Kalin Common Stock A 50,000 $0.00 154,400 D A
07 Jan, 2026 John Thomas Burns Common Stock A 300,000 $0.00 554,327 D A
07 Jan, 2026 Jane Wasman Common Stock A 50,000 $0.00 92,900 D A
07 Jan, 2026 David A Scheinberg Common Stock A 50,000 $0.00 73,082 D A
07 Jan, 2026 Nostrand Robert L Van Common Stock A 50,000 $0.00 82,900 D A
07 Jan, 2026 John Varian Common Stock A 50,000 $0.00 72,900 D A
03 Dec, 2025 John Thomas Burns Common Stock D 58,592 $1.50 254,327 D J
03 Dec, 2025 Dragan Cicic Common Stock D 63,800 $1.50 257,805 D J
03 Dec, 2025 Angelos M. Stergiou Common Stock D 187,066 $1.50 686,966 D J
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
30 May, 2025 Jane Wasman Common Stock A 20,000 $1.69 30,400 D P
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 Jane Wasman Common Stock A 12,500 $0.00 22,900 D A
10 Jan, 2025 John Varian Common Stock A 12,500 $0.00 22,900 D A
10 Jan, 2025 Angelos M. Stergiou Common Stock A 257,000 $0.00 615,132 D A
10 Jan, 2025 David A Scheinberg Common Stock A 12,500 $0.00 23,082 D A
10 Jan, 2025 Katherine Bach Kalin Common Stock A 12,500 $0.00 21,000 D A