Insiders / Golumbeski George
Golumbeski George
CIK 1586660personinsider
Companies
5
First seen
Feb 20, 2015
Last activity
Jun 5, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Shattuck Labs, Inc. · STTK | 54,613 | — |
| Acumen Pharmaceuticals, Inc. · ABOS | 35,500 | — |
| Sage Therapeutics, Inc. · SAGE | 0 | — |
| Enanta Pharmaceuticals Inc · ENTA | — | — |
| Mural Oncology plc · MURA | — | — |
All securities held
5 positions · latest reported per filing
Shares
| Company | Security | Shares |
|---|---|---|
| Acumen Pharmaceuticals, Inc. | Common stock | 35,500 |
| Shattuck Labs, Inc. | Common stock | 54,613 |
Derivatives
| Company | Security | Shares |
|---|---|---|
| Acumen Pharmaceuticals, Inc. | Options | 53,250 |
| Enanta Pharmaceuticals Inc | Options | 6,000 |
| Shattuck Labs, Inc. | Options | 81,000 |
Ownership percentages elsewhere on the site count common and ordinary shares only, because that is what shares outstanding are measured in. Everything above is a real holding; not all of it is a share of the company.
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 5, 2022 | Buy Open-market buy | SAGE Sage Therapeutics, Inc. Common Stock | $251.6K | +8K | 8,000 | medium |
| Apr 26, 2022 | Buy Open-market buy | STTK Shattuck Labs, Inc. Common Stock | $102.8K | +28K +107.79% | 54,613 0.05% of shares | medium |
| Apr 21, 2022 | Buy Open-market buy | STTK Shattuck Labs, Inc. Common Stock | $96.1K | +26K |