Opendoor COO sells shares to cover tax withholding

Opendoor Technologies Inc. Chief Operating Officer Giang Nguyen reported a sale of 3,591 shares of Common Stock on 2026-07-15 at a weighted average price of $4.6849 per share, with individual trades between $4.545 and $4.805.

Rhea-AI Filing Summary

Opendoor Technologies Inc. Chief Operating Officer Giang Nguyen reported a sale of 3,591 shares of Common Stock on 2026-07-15 at a weighted average price of $4.6849 per share, with individual trades between $4.545 and $4.805. The transaction was executed under a Rule 10b5-1 sell-to-cover election solely to satisfy tax withholding obligations arising from settlement of previously granted restricted stock awards and was not a discretionary trade. Following the sale, Nguyen directly holds 8,185,543 shares of Opendoor Common Stock.

Insider Trade Summary 10b5-1

Net Seller: 3,591 shares

Net Sell 1 txn

Insider Nguyen Giang

Role Chief Operating Officer

Sold 3,591 shs ($17K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	3,591	$4.6849	$17K

Holdings After Transaction: Common Stock — 8,185,543 shares (Direct)

Footnotes (2)

1. F1. This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. This sale does not represent a discretionary trade by the Reporting Person.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.545 to $4.805, 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 at which the transactions were effected.

Key Figures

Shares sold: 3,591 shares Weighted average sale price: $4.6849 per share Price range of trades: $4.545–$4.805 per share +1 more

4 metrics

Shares sold 3,591 shares Common Stock sale on 2026-07-15 by COO Giang Nguyen

Weighted average sale price $4.6849 per share Weighted average price across multiple trades

Price range of trades $4.545–$4.805 per share Individual transactions underlying weighted average sale price

Shares held after sale 8,185,543 shares Direct Opendoor Common Stock holdings by Giang Nguyen after transaction

Key Terms

Rule 10b5-1, sell to cover, restricted stock awards, weighted average price

4 terms

Rule 10b5-1 financial

"This sale was effected pursuant to a Rule 10b5-1 sell to cover election"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

sell to cover financial

"pursuant to a Rule 10b5-1 sell to cover election made by the Reporting Person"

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 awards financial

"to satisfy tax withholding upon settlement of previously granted restricted stock awards"

Restricted stock awards are company shares given to employees or executives that cannot be sold or transferred until certain conditions — like staying with the company for a set time or meeting performance targets — are met, like a gift that is locked in a safe until rules are satisfied. Investors care because these awards tie management’s pay to company performance, can increase the number of shares outstanding when they become tradable (dilution), and may signal expected future selling pressure or commitment to long-term growth.

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.

FAQ

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

What insider transaction did Opendoor Technologies (OPEN) COO Giang Nguyen report?

Giang Nguyen, Opendoor’s Chief Operating Officer, reported selling 3,591 shares of Common Stock on 2026-07-15. The sale occurred under a Rule 10b5-1 sell-to-cover election to satisfy tax withholding from settlement of previously granted restricted stock awards.

How many OPEN shares did Giang Nguyen sell and at what price?

Giang Nguyen sold 3,591 Opendoor (OPEN) Common Stock shares at a weighted average price of $4.6849 per share. The shares were sold in multiple transactions at prices ranging from $4.545 to $4.805, as disclosed in the report.

Was Giang Nguyen’s Opendoor (OPEN) stock sale under a Rule 10b5-1 plan?

Yes. The transaction was executed pursuant to a Rule 10b5-1 sell-to-cover election. It was undertaken solely to cover tax withholding obligations on previously granted restricted stock awards and is described as not a discretionary trade by Nguyen.

How many Opendoor (OPEN) shares does Giang Nguyen hold after this sale?

After the reported transaction, Giang Nguyen directly holds 8,185,543 shares of Opendoor Common Stock. This post-transaction holding reflects his position following the 3,591-share sale executed on 2026-07-15 under the Rule 10b5-1 sell-to-cover arrangement.

Why is Giang Nguyen’s OPEN stock sale described as a sell-to-cover transaction?

The sale is labeled a sell-to-cover because it was made solely to satisfy tax withholding obligations tied to settlement of previously granted restricted stock awards. The disclosure states this sale does not represent a discretionary trade by Giang Nguyen.

How many total shares did insiders buy or sell in this OPEN Form 4?

The Form 4 shows no insider purchases and one sale transaction. In total, 3,591 shares of Opendoor Technologies Inc. Common Stock were sold, with no derivative exercises, gifts, or tax-withholding entries reported separately in this insider report.

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

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Available on EDGAR 07/17/2026 - 04:17 PM Accepted by SEC EDGAR 07/17/2026 - 04:17 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).

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^*

Nguyen Giang

(Last) (First) (Middle)

1295 WEST WASHINGTON STREET, SUITE 115

(Street)

TEMPE ARIZONA 85288

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Opendoor Technologies Inc. [ OPEN ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026

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	07/15/2026		S(1)		3,591	D	$4.6849(2)	8,185,543	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. This sale was effected pursuant to a Rule 10b5-1 "sell to cover" election made by the Reporting Person for the sole purpose to satisfy the Reporting Person's tax withholding obligation upon the settlement of previously granted restricted stock awards. This sale does not represent a discretionary trade by the Reporting Person.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.545 to $4.805, 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 at which the transactions were effected.

Remarks:

	/s/ Rishi Kotiya, Attorney-in-fact	07/17/2026
	** 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)