Unity COO sells 22,559 shares around $45

Unity Software Inc. (U) reported that Alexander Blum, its SVP and Chief Operating Officer, reported sales totaling 22,559 shares of common stock.

Rhea-AI Filing Summary

Unity Software Inc. (U) reported that Alexander Blum, its SVP and Chief Operating Officer, reported sales totaling 22,559 shares of common stock. On August 25, 2026, 20,595 shares were sold automatically to cover tax withholding on vested restricted stock units. On August 27, 2026, 1,964 shares were sold under a pre-established Rule 10b5-1 trading plan, with reported weighted average prices around the mid-$40s per share.

Insider Trade Summary 10b5-1

Net Seller: 22,559 shares

Net Sell 3 txns

Insider Blum Alexander

Role SVP, Chief Operating Officer

Sold 22,559 shs ($1.02M)

Type	Security	Shares	Price	Value
Sale	Common Stock F4	1,964	$44.81	$88K
Sale	Common Stock F1, F2	19,455	$45.27	$881K
Sale	Common Stock F1, F3	1,140	$45.93	$52K

Holdings After Transaction: Common Stock — 705,411 shares (Direct)

Footnotes (4)

1. F1. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" and does not represent a discretionary trade by the Reporting Person.
2. F2. The price reported in Column 4 is a weighted average price, rounded to the nearest hundredth. These shares were sold in multiple transactions at prices ranging from $44.84 to $45.81, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3 of this Form 4.
3. F3. The price reported in Column 4 is a weighted average price, rounded to the nearest hundredth. These shares were sold in multiple transactions at prices ranging from $45.84 to $46.12, inclusive.
4. F4. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2025.

Key Figures

Total shares sold: 22,559 shares Shares sold to cover taxes: 20,595 shares Shares sold under 10b5-1 plan: 1,964 shares +3 more

6 metrics

Total shares sold 22,559 shares Net shares sold by Alexander Blum in the reported Form 4 transactions

Shares sold to cover taxes 20,595 shares Automatic sell-to-cover transactions on August 25, 2026 for RSU tax withholding

Shares sold under 10b5-1 plan 1,964 shares Sale on August 27, 2026 pursuant to a Rule 10b5-1 trading plan

Weighted average sale price $45.27 per share One of the August 25, 2026 transactions; actual trades ranged from $44.84 to $45.81

Weighted average sale price $45.93 per share One of the August 25, 2026 transactions; trades ranged from $45.84 to $46.12

Sale price $44.81 per share August 27, 2026 sale pursuant to Rule 10b5-1 trading plan

Key Terms

Rule 10b5-1 trading plan, sell to cover, restricted stock units, weighted average price

4 terms

Rule 10b5-1 trading plan regulatory

"sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

sell to cover financial

"obligations to be funded by a "sell to cover" and does not represent"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

restricted stock units financial

"tax withholding obligations in connection with the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

weighted average price financial

"The price reported in Column 4 is a weighted average price, rounded"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Unity Software Inc. (U) report for Alexander Blum?

Unity Software Inc. reported that COO Alexander Blum sold 22,559 shares of common stock in three transactions on August 25 and 27, 2026, according to a Form 4 insider filing.

How many Unity (U) shares did Alexander Blum sell to cover tax withholding?

On August 25, 2026, Alexander Blum sold 20,595 shares of Unity common stock to cover tax withholding obligations related to the vesting of restricted stock units, via automatic "sell to cover" transactions.

Were Alexander Blum’s Unity (U) stock sales made under a Rule 10b5-1 plan?

Yes. The Form 4 states that the sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by Alexander Blum on May 9, 2025, indicating the trades were pre-arranged.

What prices were reported for Alexander Blum’s Unity (U) share sales?

Reported weighted average prices were $45.27 and $45.93 per share for the August 25, 2026 sales, and $44.81 per share for the August 27, 2026 sale. Some sales occurred within price ranges noted in the footnotes.

Were all of Alexander Blum’s Unity (U) stock sales discretionary trades?

No. The Form 4 explains that 20,595 shares sold on August 25, 2026 were automatically sold to satisfy tax withholding for RSU vesting and "do not represent a discretionary trade"; the remaining 1,964-share sale was under a Rule 10b5-1 plan.

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

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Available on EDGAR 08/27/2026 - 08:00 PM EDT Accepted by SEC EDGAR 08/27/2026 - 08:00 PM EDT 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).

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^*

Blum Alexander

(Last) (First) (Middle)

C/O UNITY SOFTWARE INC

116 NEW MONTGOMERY STREET

(Street)

SAN FRANCISCO CALIFORNIA 94105-3607

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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	08/25/2026		S(1)		19,455	D	$45.27(2)	708,515	D
Common Stock	08/25/2026		S(1)		1,140	D	$45.93(3)	707,375	D
Common Stock	08/27/2026		S(4)		1,964	D	$44.81	705,411	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. Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" and does not represent a discretionary trade by the Reporting Person.

2. The price reported in Column 4 is a weighted average price, rounded to the nearest hundredth. These shares were sold in multiple transactions at prices ranging from $44.84 to $45.81, 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, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 2 and 3 of this Form 4.

3. The price reported in Column 4 is a weighted average price, rounded to the nearest hundredth. These shares were sold in multiple transactions at prices ranging from $45.84 to $46.12, inclusive.

4. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2025.

Remarks:

	/s/ Connie Wu, Attorney-in-fact	08/27/2026
	** 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)