Unity Software (NYSE: U) director David Helgason discloses Rule 10b5-1 stock sales

Rhea-AI Filing Summary

Unity Software Inc. director David Helgason reported multiple open‑market sales of the company’s common stock. On December 10, 2025, investment vehicles owned and controlled by Helgason sold 306,688 shares at a weighted average price of $50.1596, and on December 11, 2025 those vehicles sold an additional 93,312 shares at a weighted average price of $51.1637 and 300,000 shares at a weighted average price of $49.1615.

Helgason also sold 8,347 shares directly on December 11, 2025 at a weighted average price of $49.1615. After these transactions, he beneficially owned 5,439,173 shares indirectly through investment vehicles and 7,635 shares directly. All reported sales were carried out under a pre‑arranged Rule 10b5‑1 trading plan adopted on June 9, 2024.

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

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

X

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^*

Helgason David

(Last) (First) (Middle)

C/O UNITY SOFTWARE INC

116 NEW MONTGOMERY STREET

(Street)

SAN FRANCISCO CA 94105-3607

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Unity Software Inc. [ U ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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

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

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

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	12/10/2025		S(1)		306,688	D	$50.1596(2)	5,832,485	I	See Footnote(3)
Common Stock	12/11/2025		S(1)		93,312	D	$51.1637(4)	5,739,173	I	See Footnote(3)
Common Stock	12/11/2025		S		300,000	D	$49.1615(5)	5,439,173	I	See Footnote(3)
Common Stock	12/11/2025		S		8,347	D	$49.1615(6)	7,635	D

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. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 9, 2024.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.0000 to $50.6400, inclusive.The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, fullinformation regarding the number of shares sold at each separate price within the range set forth in this Form 4.

3. By investment vehicles owned and controlled by Mr. Helgason.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.7250 to $51.6500, inclusive.The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, fullinformation regarding the number of shares sold at each separate price within the range set forth in this Form 4.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.9150 to $49.5200, inclusive.The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, fullinformation regarding the number of shares sold at each separate price within the range set forth in this Form 4.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.1100 to $49.1850, inclusive.The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, fullinformation regarding the number of shares sold at each separate price within the range set forth in this Form 4.

	/s/ David Helgason	12/12/2025
	** 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.

FAQ

What insider transaction did Unity Software (U) disclose in this Form 4?

The filing shows that director David Helgason reported multiple open‑market sales of Unity Software Inc. common stock on December 10 and 11, 2025, including both indirect and direct holdings.

How many Unity Software (U) shares did David Helgason sell and at what prices?

Helgason’s reported sales include 306,688 shares at a weighted average price of $50.1596 on December 10, 2025, plus 93,312 shares at $51.1637, 300,000 shares at $49.1615, and 8,347 shares at $49.1615 on December 11, 2025.

Were the Unity Software (U) insider sales made under a Rule 10b5-1 trading plan?

Yes. The explanation states that the sales were effected pursuant to a Rule 10b5‑1 trading plan adopted by David Helgason on June 9, 2024, which is a pre‑arranged plan for trading company stock.

How many Unity Software (U) shares does David Helgason beneficially own after these transactions?

After the reported sales, Helgason beneficially owned 5,439,173 shares of Unity Software common stock indirectly through investment vehicles and 7,635 shares directly in his own name.

What is David Helgason’s relationship to Unity Software (U)?

David Helgason is identified in the filing as a director of Unity Software Inc., making him an insider whose trades in company stock must be reported on Form 4.

How were the reported Unity Software (U) share prices calculated in this Form 4?

The filing notes that the prices in Column 4 are weighted average prices. Each sale was executed in multiple transactions within stated price ranges, and Helgason undertakes to provide detailed trade breakdowns upon request.