[Form 4] Liberty Broadband Corporation Series A Cumulative Redeemable Preferred Stock Insider Trading Activity

Rhea-AI Filing Summary

Procore Technologies (PCOR) – Form 4 filing: Chief Legal Officer & Secretary Benjamin C. Singer sold 1,390 common shares on 21 Jul 2025 at $75.00 per share under a Rule 10b5-1 plan adopted 15 Aug 2024. Following the transaction, he directly owns 96,167 shares. No derivative securities were exercised or disposed of. The sale represents roughly 1.4 % of his reported holdings and does not affect his executive position.

Positive

• Sale executed under a Rule 10b5-1 plan, indicating pre-arranged compliance and reducing potential insider-trading concerns.
• Executive retains 96,167 shares, preserving significant ownership alignment with shareholders.

Negative

• Insider sale by a key executive can be perceived as a modest bearish signal, even if pre-planned.

Insights

Securities Analyst

TL;DR: Small, pre-planned insider sale; negligible impact on ownership or valuation outlook.

The disposition totals about $104k, only ~1.4 % of Singer’s stake, and was executed via a 10b5-1 plan, limiting signalling value. Insider sales typically draw scrutiny, but the modest size and pre-arranged nature reduce concerns of negative informational asymmetry. Transaction is unlikely to alter liquidity, share count, or earnings forecasts and should be viewed as routine personal diversification.

Corporate Governance Expert

TL;DR: Governance-aligned sale made under transparent 10b5-1 plan; minimal governance risk.

The filing demonstrates adherence to SEC Rule 10b5-1 best practices, mitigating potential insider-trading risk. Singer retains >98 % of his prior holdings, maintaining alignment with shareholder interests. No red flags such as clustered executive selling or large percentage divestitures are present. Overall governance impact is neutral.

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

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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).

1. Name and Address of Reporting Person^*

ENGLES GREGG L

(Last) (First) (Middle)

12300 LIBERTY BLVD.

(Street)

ENGLEWOOD CO 80112

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Liberty Broadband Corp [ LBRDK ]

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)
07/17/2025

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

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
Stock Option - LBRDK (Right to Buy)	$141.73	07/17/2025		J(1)	V	4,494		(2)	12/07/2027	Series C Common Stock	4,494	$0.0000(1)	4,494	D
Stock Option - LBRDK (Right to Buy)	$147.33	07/17/2025		J(1)	V	3,949		(2)	12/07/2028	Series C Common Stock	3,949	$0.0000(1)	3,949	D
Stock Option - LBRDK (Right to Buy)	$152.25	07/17/2025		J(1)	V		4,184	12/07/2021	12/07/2027	Series C Common Stock	4,184	$0.0000(1)	0.0000	D
Stock Option - LBRDK (Right to Buy)	$158.27	07/17/2025		J(1)	V		3,676	12/07/2022	12/07/2028	Series C Common Stock	3,676	$0.0000(1)	0.0000	D
Stock Option - LBRDK (Right to Buy)	$83.37	07/17/2025		J(1)	V	4,637		12/12/2023(2)	12/12/2029	Series C Common Stock	4,637	$0.0000(1)	4,637	D
Stock Option - LBRDK (Right to Buy)	$89.56	07/17/2025		J(1)	V		4,317	12/12/2023	12/12/2029	Series C Common Stock	4,317	$0.0000(1)	0.0000	D

Explanation of Responses:

1. On July 14, 2025, Liberty Broadband Corporation completed the spin-off of GCI Liberty, Inc. (the "Spin-Off"), which was effected by the distribution to each holder of its common stock as of 5:00 p.m., New York City time, on June 30, 2025, of 0.20 of a share of GCI Liberty, Inc.'s Series A, Series B and Series C GCI Group common stock for each whole share of the corresponding series of Liberty Broadband Corporation's common stock, with cash (with no interest) paid in lieu of fractional shares. In connection with the Spin-Off, all stock options held by the Reporting Person in the Issuer's Series C Common Stock were adjusted in a manner designed to preserve the value associated with the original awards prior to the Spin-Off. The number of shares and the exercise price for each adjusted award were determined on July 17, 2025. Otherwise, such award remains subject to the terms and conditions of the corresponding original award.

2. This option award is fully exercisable.

Remarks:

The adjustments described above were approved by the Issuer's board of directors pursuant to Rule 16b-3 under the Securities Exchange Act of 1934, as amended.

	/s/ Brittany A. Uthoff as Attorney-in-Fact for Gregg L. Engles	07/23/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

How many PCOR shares did Benjamin C. Singer sell?

He sold 1,390 common shares on 21 Jul 2025.

At what price were the PCOR shares sold?

The shares were sold at $75.00 per share.

How many PCOR shares does the executive still own after the sale?

Singer now holds 96,167 shares directly.

Was the transaction part of a 10b5-1 trading plan?

Yes. The sale was executed under a 10b5-1 plan dated 15 Aug 2024.

Does this filing indicate any changes to Singer’s role at Procore?

No. He remains Chief Legal Officer & Secretary.