| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Puthenveetil Reji | EVP, Additive Solutions & CCO | 333 THREE D SYSTEMS CIRCLE, ROCK HILL | Andrew WB Wright, Attorney-in-Fact for Reji Puthenveetil | 09 Sep 2025 | 0001826896 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDD | Common Stock | Tax liability | $34,026 | -16,050 | -3.6% | $2.12 | 431,527 | 05 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares reported were withheld to satisfy tax withholding obligations with respect to the vesting of a grant of restricted stock originally made on September 5, 2024. |