April Walker

CIK: 0002049684

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)7 (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)

$UNIVERSAL DISPLAY CORP \PA\ logo$

OLED

UNIVERSAL DISPLAY CORP \PA\

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Sep 30, 2026
Award(A)
Direct
455 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Jun 30, 2026
Award(A)
Direct
455 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Mar 31, 2026
Award(A)
Direct
456 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Dec 31, 2025
Award(A)
Direct
341 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Sep 30, 2025
Award(A)
Direct
341 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Jun 30, 2025
Award(A)
Direct
342 shares-
$UNIVERSAL DISPLAY CORP \PA\ logo$
OLED
UNIVERSAL DISPLAY CORP \PA\
Mar 31, 2025
Award(A)
Direct
342 shares-

		Type	Shares	Price		Ownership
Sep 30, 2026	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	455	-	$0	Direct
Jun 30, 2026	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	455	-	$0	Direct
Mar 31, 2026	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	456	-	$0	Direct
Dec 31, 2025	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	341	-	$0	Direct
Sep 30, 2025	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	341	-	-	Direct
Jun 30, 2025	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	342	-	-	Direct
Mar 31, 2025	$UNIVERSAL DISPLAY CORP \PA\ logo$ OLED UNIVERSAL DISPLAY CORP \PA\	Award(A)	342	-	-	Direct

1-7 of 7 transactions

About Walker April

Walker April (SEC CIK 0002049684) files insider reports with the SEC as Director of UNIVERSAL DISPLAY CORP \PA\ (OLED).

Signal8 holds 8 ownership filings by Walker April (1 Form 3, 7 Form 4), filed between Dec 23, 2024 and Oct 2, 2026. Those filings report 7 transactions, from Mar 31, 2025 to Sep 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Walker April's filings is in EWING, NJ.

Recent filings by Walker April

Sep 30, 2026: Grant or award of OLED shares (Form 4, code A).
Jun 30, 2026: Grant or award of OLED shares (Form 4, code A).
Mar 31, 2026: Grant or award of OLED shares (Form 4, code A).
Dec 31, 2025: Grant or award of OLED shares (Form 4, code A).
Sep 30, 2025: Grant or award of OLED shares (Form 4, code A).

Other insiders filing for UNIVERSAL DISPLAY CORP \PA\ (OLED)

ELIAS RICHARD C, Director
Comparin Cynthia Jane, Director
Brown Nigel, Director
Lau Joan, Director
GEMMILL ELIZABETH H, Director
Joseph Celia M, Director

How to read Form 4 transaction codes