Walter Isaacson

CIK: 0001270821

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)11 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

UAL

United Airlines Holdings, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (11 total)

UAL
United Airlines Holdings, Inc.
Sep 30, 2026
Award(A)
Share Units
Direct
358 shares-
UAL
United Airlines Holdings, Inc.
Jun 30, 2026
Award(A)
Share Units
Direct
292 shares-
UAL
United Airlines Holdings, Inc.
May 20, 2026
Award(A)
Share Units
Direct
2.1K shares-
UAL
United Airlines Holdings, Inc.
Mar 31, 2026
Award(A)
Share Units
Direct
447 shares-
UAL
United Airlines Holdings, Inc.
Dec 31, 2025
Award(A)
Share Units
Direct
359 shares-
UAL
United Airlines Holdings, Inc.
Sep 30, 2025
Award(A)
Share Units
Direct
412 shares-
UAL
United Airlines Holdings, Inc.
Jun 30, 2025
Award(A)
Share Units
Direct
503 shares-
UAL
United Airlines Holdings, Inc.
May 22, 2025
Award(A)
Share Units
Direct
2.4K shares-
UAL
United Airlines Holdings, Inc.
Mar 31, 2025
Award(A)
Share Units
Direct
598 shares-
UAL
United Airlines Holdings, Inc.
Dec 31, 2024
Award(A)
Share Units
Direct
412 shares-
UAL
United Airlines Holdings, Inc.
Sep 30, 2024
Award(A)
Share Units
Direct
695 shares-

		Type	Shares	Price		Ownership
Sep 30, 2026	UAL United Airlines Holdings, Inc.	Award(A) Share Units	358	-	-	Direct
Jun 30, 2026	UAL United Airlines Holdings, Inc.	Award(A) Share Units	292	-	-	Direct
May 20, 2026	UAL United Airlines Holdings, Inc.	Award(A) Share Units	2,130	-	-	Direct
Mar 31, 2026	UAL United Airlines Holdings, Inc.	Award(A) Share Units	447	-	-	Direct
Dec 31, 2025	UAL United Airlines Holdings, Inc.	Award(A) Share Units	359	-	-	Direct
Sep 30, 2025	UAL United Airlines Holdings, Inc.	Award(A) Share Units	412	-	-	Direct
Jun 30, 2025	UAL United Airlines Holdings, Inc.	Award(A) Share Units	503	-	-	Direct
May 22, 2025	UAL United Airlines Holdings, Inc.	Award(A) Share Units	2,410	-	-	Direct
Mar 31, 2025	UAL United Airlines Holdings, Inc.	Award(A) Share Units	598	-	-	Direct
Dec 31, 2024	UAL United Airlines Holdings, Inc.	Award(A) Share Units	412	-	-	Direct
Sep 30, 2024	UAL United Airlines Holdings, Inc.	Award(A) Share Units	695	-	-	Direct

1-11 of 11 transactions

About ISAACSON WALTER

ISAACSON WALTER (SEC CIK 0001270821) files insider reports with the SEC as Director of United Airlines Holdings, Inc. (UAL).

Signal8 holds 11 ownership filings by ISAACSON WALTER, all Form 4s, filed between Oct 2, 2024 and Oct 2, 2026. Those filings report 11 transactions, from Sep 30, 2024 to Sep 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on ISAACSON WALTER's filings is in CHICAGO, IL.

Recent filings by ISAACSON WALTER

Sep 30, 2026: Grant or award of UAL derivative securities (Form 4, code A).
Jun 30, 2026: Grant or award of UAL derivative securities (Form 4, code A).
May 20, 2026: Grant or award of UAL derivative securities (Form 4, code A).
Mar 31, 2026: Grant or award of UAL derivative securities (Form 4, code A).
Dec 31, 2025: Grant or award of UAL derivative securities (Form 4, code A).

Other insiders filing for United Airlines Holdings, Inc. (UAL)

Hart Brett J, President
BREWER ROSALIND G, Director
SHAPIRO EDWARD, Director
Friend Matthew, Director
Ward Laysha, Director
Nocella Andrew P, EVP & Chief Commercial Officer

How to read Form 4 transaction codes