X0306 4 2021-05-18 0 0000910638 3D SYSTEMS CORP DDD 0001105969 MOORE KEVIN S 333 THREE D SYSTEMS CIRCLE ROCK HILL SC 29730 1 0 0 0 Common Stock 2021-05-18 4 A 0 6007 0.00 A 8741 D Common Stock 137693 I Kevin S. Moore, Trustee, The Kevin Scott Moore 2011 Revocable Living Trust dated September 13, 2011 Shares were awarded to the Reporting Person pursuant to the Issuer's 2015 Incentive Plan. Excludes 15,209 shares transferred by the Reporting Person on October 26, 2020, to the Kevin S. Moore, Trustee, The Kevin Scott Moore 2011 Revocable Living Trust dated September 13, 2011. Includes 15,209 shares previously owned directly by the Reporting Person and transferred to the Kevin S. Moore, Trustee, The Kevin Scott Moore 2011 Revocable Living Trust dated September 13, 2011. /s/ Andrew M. Johnson, Attorney-in-Fact for Kevin S. Moore 2021-05-19