3D Systems CTO has 4,943 shares withheld for tax

3D Systems’ CTO had shares withheld to cover taxes on vested restricted stock, leaving substantial direct and trust-held positions.

Rhea-AI Filing Summary

3D SYSTEMS CORP (DDD) reported an insider tax-related share disposition by Executive Vice President and Chief Technology Officer Charles W. Hull. On September 8, 2026, 4,943 shares of common stock were withheld at about $3.38 per share to satisfy tax withholding obligations arising from the vesting of restricted stock originally granted on September 5, 2024.

After this withholding, Hull held 181,622 shares of common stock directly. In addition, a trust associated with him held 331,955 shares indirectly. No transactions were reported as made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Tax Withholding: 4,943 shares

Tax Withholding 2 txns

Insider HULL CHARLES W

Role EVP & Chief Technology Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	4,943	$3.38	$17K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 181,622 shares (Direct); Common Stock — 331,955 shares (Indirect, By Trust)

Footnotes (1)

1. 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were withheld to satisfy tax withholding obligations with respect to the vesting of a grant of restricted stock originally made on September 5, 2024.

Key Figures

Shares withheld for taxes: 4,943 shares Reference price per share: $3.38 per share Direct holdings after transaction: 181,622 shares +2 more

5 metrics

Shares withheld for taxes 4,943 shares Common stock withheld on September 8, 2026 to satisfy tax withholding obligations

Reference price per share $3.38 per share Value used for the 4,943 shares withheld for tax obligations

Direct holdings after transaction 181,622 shares Common stock held directly by Charles W. Hull after tax withholding

Indirect trust holdings 331,955 shares Common stock held indirectly through a trust associated with Charles W. Hull

Original restricted stock grant date September 5, 2024 Date of the restricted stock grant whose vesting triggered the tax withholding

Key Terms

restricted stock, tax withholding obligations, indirect ownership, By Trust

4 terms

restricted stock financial

"with respect to the vesting of a grant of restricted stock originally made on September 5, 2024"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

tax withholding obligations financial

"Shares reported were withheld to satisfy tax withholding obligations with respect to the vesting"

indirect ownership financial

"characterized as indirect ownership "By Trust""

By Trust financial

"a trust associated with him held 331,955 shares indirectly, described as By Trust"

FAQ

What insider transaction did 3D Systems (DDD) report for Charles W. Hull?

The company reported that on September 8, 2026, Charles W. Hull had 4,943 shares of common stock withheld to satisfy tax withholding obligations related to the vesting of a prior restricted stock grant.

Was the 3D Systems (DDD) insider transaction a market sale?

No. The report states that 4,943 shares of common stock were withheld to pay tax liabilities upon vesting of restricted stock, rather than sold as an open-market transaction.

How many 3D Systems (DDD) shares does Charles W. Hull hold directly after this event?

Following the tax-withholding event, Charles W. Hull held 181,622 shares of 3D Systems common stock in a direct ownership capacity.

How many 3D Systems (DDD) shares are held for Charles W. Hull through a trust?

A trust associated with Charles W. Hull held 331,955 shares of 3D Systems common stock as of the reporting date, characterized as indirect ownership "By Trust."

Was the 3D Systems (DDD) insider transaction under a Rule 10b5-1 trading plan?

No. The filing indicates no Rule 10b5-1 trading plan for the reported tax-withholding disposition, and no footnote describes the transaction as pursuant to such a plan.

What was the reference price for the 3D Systems (DDD) shares withheld for taxes?

The shares withheld to cover taxes were valued at approximately $3.38 per share for the 4,943 common shares used to satisfy the tax withholding obligations.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/10/2026 - 05:01 PM Accepted by SEC EDGAR 09/10/2026 - 05:01 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HULL CHARLES W

(Last) (First) (Middle)

333 THREE D SYSTEMS CIRCLE

(Street)

ROCK HILL SOUTH CAROLINA 29730

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
3D SYSTEMS CORP [ DDD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Technology Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/08/2026		F		4,943(1)	D	$3.38	181,622	D
Common Stock								331,955	I	By Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	Andrew WB Wright, Attorney-in-Fact for Charles W. Hull	09/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)