ZUIKER JOSEPH R. 4

What Happened
Joseph R. Zuiker, EVP, Engineering & Operations at 3D Systems (DDD), had 5,327 shares withheld on April 14, 2026 to satisfy tax withholding obligations tied to the vesting of restricted stock. The withheld shares were valued at $1.98 each, for a total of $10,547. This was a tax-withholding disposition of vested restricted stock, not an open-market sale.

Key Details

• Transaction date: April 14, 2026; Filing date (Form 4): April 16, 2026 (appears timely).
• Shares withheld/disposed: 5,327 at $1.98 per share; total value $10,547.
• Nature of transaction: F (shares withheld to satisfy tax withholding on vesting of restricted stock). See footnote: the withholding relates to vesting of a grant originally made April 14, 2023.
• Shares owned after transaction: Not specified in the provided filing.
• No indication this was a 10b5-1 sale or an open-market transaction.

Context
Withholding shares to cover taxes is a routine administrative step when restricted stock vests and generally does not signal an intentional sale for investment purposes. This should be interpreted as a tax-related disposition rather than a vote of confidence or concern by the insider.