StubHub director sells 400 shares under 10b5-1 plan

StubHub Holdings, Inc. director and officer Mark Streams reported an open-market sale of 400 shares of Class A Common Stock on July 7, 2026 at a weighted average price of $14.0075 per share.

Accepted by SEC EDGAR 07/09/2026 - 08:18 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

StubHub Holdings, Inc. director and officer Mark Streams reported an open-market sale of 400 shares of Class A Common Stock on July 7, 2026 at a weighted average price of $14.0075 per share. The trade was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 10, 2025, and Streams now directly holds 1,560,722 shares following this transaction.

Insider Trade Summary 10b5-1

Net Seller: 400 shares

Net Sell 1 txn

Insider Streams Mark

Role See Remarks

Sold 400 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	400	$14.0075	$6K

Holdings After Transaction: Class A Common Stock — 1,560,722 shares (Direct)

Footnotes (2)

1. F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 to $14.01. The reporting person undertakes to provide 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 range set forth in this footnote.

Key Figures

Shares sold: 400 shares Weighted average sale price: $14.0075 per share Post-transaction holdings: 1,560,722 shares +2 more

5 metrics

Shares sold 400 shares Open-market sale of Class A Common Stock on July 7, 2026

Weighted average sale price $14.0075 per share Average price for 400 shares sold in multiple transactions

Post-transaction holdings 1,560,722 shares Direct ownership of Class A Common Stock after the reported sale

Price range of sales $14.00–$14.01 per share Range of individual trade prices for the 400 shares sold

10b5-1 plan adoption date December 10, 2025 Date the Rule 10b5-1 trading plan governing this sale was adopted

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale

3 terms

Rule 10b5-1 trading plan regulatory

"The sales reported in 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.

weighted average price financial

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

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.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transaction did StubHub Holdings (STUB) disclose for Mark Streams?

StubHub Holdings reported that Mark Streams, a director and officer, sold 400 shares of Class A Common Stock on July 7, 2026 in an open-market transaction at a weighted average price of $14.0075 per share.

Was the Mark Streams share sale in STUB made under a Rule 10b5-1 plan?

Yes. The filing states the 400-share sale by Mark Streams was effected under a Rule 10b5-1 trading plan adopted on December 10, 2025, indicating it was pre-arranged.

What price did Mark Streams receive for the STUB shares sold?

The Form 4 reports a weighted average price of $14.0075 per share. A footnote explains the 400 shares were sold in multiple trades at prices ranging from $14.00 to $14.01 per share.

How many StubHub Holdings (STUB) shares does Mark Streams own after this sale?

After selling 400 shares, Mark Streams directly holds 1,560,722 shares of StubHub Holdings Class A Common Stock, according to the Form 4’s post-transaction ownership disclosure.

What type of security did Mark Streams sell in the latest STUB Form 4?

The reported transaction involves Class A Common Stock of StubHub Holdings. It was a non-derivative, open-market sale of 400 shares on July 7, 2026 at a weighted average price of $14.0075.

Does the STUB Form 4 mention the detailed price breakdown for the Mark Streams sale?

Yes. A footnote explains the reported $14.0075 is a weighted average, and the 400 shares were sold in multiple transactions between $14.00 and $14.01 per share.

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

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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^*

Streams Mark

(Last) (First) (Middle)

C/O STUBHUB HOLDINGS, INC.

175 GREENWICH STREET, 59TH FLOOR

(Street)

NEW YORK NEW YORK 10007

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
StubHub Holdings, Inc. [ STUB ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/07/2026

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
Class A Common Stock	07/07/2026		S		400(1)	D	$14.0075(2)	1,560,722	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 in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 10, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.00 to $14.01. The reporting person undertakes to provide 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 range set forth in this footnote.

Remarks:

Executive Vice Chairman & Chief Legal Officer

	/s/ Mark Streams	07/09/2026
	** 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)