| $687M | ||
| $385M | ||
| $215M | ||
| $100M | ||
| $87M | ||
| $82M |
Buys | $185,406 | 4 | 100 |
Sells | $0 | 0 | 0 |
| Kalin Katherine Bach | director | 2 | $136,806 | 0 | $0 | $136,806 |
| Wasman Jane | director | 1 | $33,800 | 0 | $0 | $33,800 |
| VAN NOSTRAND ROBERT L | director | 1 | $14,800 | 0 | $0 | $14,800 |
SELLAS Life Sciences Group, Inc., a late-stage biopharmaceutical company, focuses on the development of novel cancer immunotherapies for various cancer indications in the United States. Its lead product candidate is galinpepimut-S (GPS), a cancer immunotherapeutic agent that targets Wilms tumor 1, which is in Phase III clinical trials for the treatment of acute myeloid leukemia; and in Phase 1/2 clinical trials for the treatment for ovarian cancer. The company also develops nelipepimut-S, a cancer immunotherapy that targets human epidermal growth factor receptor 2, which is in Phase 2b clinical trials for the treatment of early-stage breast cancer. It has a strategic collaboration with Merck & Co., Inc. to evaluate GPS as it is administered in combination with PD1 blocker pembrolizumab in a Phase 1/2 clinical trial enrolling patients in up to five cancer indications, including hematologic malignancies and solid tumors. The company was founded in 2012 and is headquartered in New York, New York.
Over the last 12 months, insiders at SELLAS Life Sciences Group, Inc. have bought $185,406 and sold $0 worth of SELLAS Life Sciences Group, Inc. stock.
On average, over the past 5 years, insiders at SELLAS Life Sciences Group, Inc. have bought $185,406 and sold $22,757 worth of stock each year.
Highest buying activity among insiders over the last 12 months: Kalin Katherine Bach (director) — $136,806. Wasman Jane (director) — $33,800. VAN NOSTRAND ROBERT L (director) — $14,800.
The last purchase of 63,400 shares for transaction amount of $100,806 was made by Kalin Katherine Bach (director) on 2025‑11‑19.
| 2025-11-19 | Kalin Katherine Bach | director | 63,400 0.0629% | $1.59 | $100,806 | +4.11% | ||
| 2025-06-12 | VAN NOSTRAND ROBERT L | director | 10,000 0.009% | $1.48 | $14,800 | +7.88% | ||
| 2025-05-30 | Wasman Jane | director | 20,000 0.0198% | $1.69 | $33,800 | +3.22% | ||
| 2025-05-22 | Kalin Katherine Bach | director | 20,000 0.0205% | $1.80 | $36,000 | +0.57% | ||
| 2022-12-05 | Sale | Stergiou Angelos M. | President and CEO | 6,494 0.0347% | $2.61 | $16,938 | -37.30% | |
| 2022-12-05 | Sale | WOOD BARBARA A | EVP, Gen. Counsel, Corp. Sec. | 2,153 0.0114% | $2.59 | $5,576 | -37.30% | |
| 2022-12-05 | Sale | Burns John Thomas | Senior VP, Finance & CAO | 1,159 0.0061% | $2.59 | $3,002 | -37.30% | |
| 2021-12-02 | Sale | Stergiou Angelos M. | President and CEO | 2,120 0.0133% | $6.25 | $13,252 | -51.09% | |
| 2021-12-02 | Sale | WOOD BARBARA A | EVP, Gen. Counsel, Corp. Sec. | 847 0.0053% | $6.25 | $5,298 | -51.09% | |
| 2021-12-02 | Sale | Burns John Thomas | VP, Finance & Corp Controller | 231 0.0014% | $6.27 | $1,448 | -51.09% | |
| 2018-12-31 | Sale | Stergiou Angelos M. | President and CEO | 23,277 0.1061% | $1.25 | $29,189 | -86.59% | |
| 2017-06-20 | Sale | Nisi Rudolph | director | 500 0.0013% | $0.55 | $273 | -50.00% | |
| 2017-02-08 | Sale | Hudson Bay Capital Management LP | 10 percent owner | 2.36M 9.0582% | $0.84 | $1.99M | -50.00% | |
| 2014-02-12 | Sale | Chin Richard | director | 187,500 0.1611% | $4.33 | $812,438 | -48.39% | |
| 2014-02-07 | Nisi Rudolph | director | 20,000 0.0172% | $4.94 | $98,742 | -53.96% | ||
| 2014-02-03 | Sale | GALLIKER STEPHEN S | director | 300,000 0.2555% | $4.18 | $1.25M | -45.97% | |
| 2014-01-30 | Sale | SCHWARTZ MARK W. | EVP & Chief Operating Officer | 100,000 0.0885% | $5.57 | $556,500 | -57.67% | |
| 2014-01-30 | Sale | Hillsberg Sanford | director | 250,000 0.2151% | $5.41 | $1.35M | -57.67% | |
| 2014-01-30 | Sale | Chin Richard | director | 75,000 0.0666% | $5.58 | $418,755 | -57.67% | |
| 2014-01-29 | Sale | Nisi Rudolph | director | 250,000 0.2151% | $5.28 | $1.32M | -56.63% |
| Increased Positions | 52 | +75.36% | 9M | +33.74% |
| Decreased Positions | 23 | -33.33% | 3M | -10.56% |
| New Positions | 22 | New | 1M | New |
| Sold Out Positions | 5 | Sold Out | 165,879 | Sold Out |
| Total Postitions | 98 | +42.03% | 33M | +23.18% |
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| Nuveen, Llc | $2,026.00 | 0.7% | 997,910 | +26,581 | +2.74% | 2025-09-30 |
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| Northern Trust Corp | $1,484.00 | 0.52% | 731,175 | +32,682 | +4.68% | 2025-09-30 |