Matthew J. Knopf - 09 Sep 2026 Form 4 Insider Report for Wheels Up Experience Inc. (UP)

Reporting relationship: Chief Legal Officer
Issuer ticker: UP
Reported as of: 09 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Sep 2026, 20:00:16 UTC
Prior SEC filing: 28 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Mark Sorensen as attorney-in-fact for Matthew J. Knopf

Key filing fact

Matthew J. Knopf filed Form 4 for Wheels Up Experience Inc. (UP) on 11 Sep 2026.

Key facts

This page summarizes Matthew J. Knopf's Form 4 filing for Wheels Up Experience Inc. (UP).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Sep 2026, 20:00.

Change

Previous filing in this sequence was filed on 28 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002035382 Primary reporting owner

Knopf Matthew J.

Relationship: Chief Legal Officer
Address: C/O WHEELS UP EXPERIENCE INC., 2135 AMERICAN WAY, CHAMBLEE
Signature: /s/ Mark Sorensen as attorney-in-fact for Matthew J. Knopf
Signature date: 11 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

UP transaction

Class A Common Stock, par value $0.0001 per share

Tax liability

Transaction value
Shares: -4,345
Change %: -4.5%
Price: $4.04^*
Shares after: 91,521
Date: 09 Sep 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents shares of Class A common stock, par value $0.0001 per share, of Wheels Up Experience Inc. that were withheld for the payment of tax liability arising as a result of the vesting of restricted stock units granted under the Wheels Up Experience Inc. 2021 Long-Term Incentive Plan, as amended and restated April 1, 2023 (as amended by Amendment No. 1 thereto, effective April 15, 2024, Amendment No. 2 thereto, effective March 26, 2025, and Amendment No. 3 thereto, effective March 31, 2026), which were originally reported by the Reporting Person in a Form 4 filed with the United States Securities and Exchange Commission on September 11, 2024.