| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| GSE Systems Inc. Executive Vice President | A | Employee Stock Option | |||||
| GSE Systems Inc. Executive Vice President | M | Common Stock | |||||
| GSE Systems Inc. Executive Vice President | M | Employee Stock Option | |||||
| GSE Systems Inc. Executive Vice President | S | Common Stock | |||||
| GSE Systems Inc. Executive Vice President | M | Common Stock |