STEM, INC.STEMEarnings & Financial Report
NYSE · Information Technology · Services-Computer Integrated Systems Design
StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.
Top Holders
| Holder | % Owned | Shares | Change | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 7.30% | 11.4M | — | 2024-01-26 |
| Schroder Investment Management Limited | 6.80% | 10.6M | — | 2024-02-13 |
| The Vanguard Group | 5.32% | 8.7M | flat | 2024-11-12 |
| Schroder Investment Management North America Inc | 5.00% | — | — | 2024-11-14 |
Insider Transactions
Net 90d: −$114.2K · buys $0 / sells $114.2KRange:
Action:
Role:
| Insider | Role | Action | ||||
|---|---|---|---|---|---|---|
| 2026-03-11 | Matthew Tappin | President, Software Products | Sell (open market) | 402 | $10.83 | $4.4K |
| 2026-03-10 | Matthew Tappin | President, Software Products | Sell (open market) | 655 | $11.12 | $7.3K |
| 2026-03-10 | Arun Narayanan | Chief Executive Officer | Sell (open market) | 5.1K | $11.12 | $57.2K |
| 2026-03-10 | Laureles Saul R. | Chief Legal Officer | Sell (open market) | 942 | $11.12 | $10.5K |
| 2026-03-10 | Carlson Michael James | President, Managed Services | Sell (open market) | 2.1K | $11.12 | $23.1K |
| 2026-03-07 | Matthew Tappin | President, Software Products | Option exercise | 1.5K | — | — |
| 2026-03-07 | Arun Narayanan | Chief Executive Officer | Option exercise | 12.5K | — | — |
| 2026-03-07 | Arun Narayanan | Chief Executive Officer | Option exercise | 5.6K | — | — |
| 2026-03-07 | Laureles Saul R. | Chief Legal Officer | Option exercise | 2.9K | — | — |
| 2026-03-07 | Carlson Michael James | President, Managed Services | Option exercise | 3.5K | — | — |
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