| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GCP | Common Stock | Award | $0 | +4,168 | +42% | $0.000000 | 13,988 | 17 May 2021 | Direct | |
| holding | GCP | Common Stock | 750 | 17 May 2021 | By The Clay Huston Kiefaber Trust |
Exhibit 24 Power of Attorney filed herewith.