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$OLED All transactions

UNIVERSAL DISPLAY CORP \PA\

F

$ Value

$399K

Shares

4,113

Price

$97

Filed

Mar 10

Insider

Name

Mahon Janice K

Title

SVP of Tech Commercialization

CIK

0001423446

Roles

Officer

Transaction Details

Transaction Date

2026-03-07

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

64,658

Footnotes

These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2023 compensation and vested on March 7, 2026 subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 17, 2026 as having occurred. | These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2026 of 2,604 shares of restricted stock previously granted to the Reporting Person. | These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2026 of 8,597 shares of restricted stock previously granted to the Reporting Person. | These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2026 of 2,777 shares of restricted stock previously granted to the Reporting Person. | These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2026 of 2,091 shares of restricted stock previously granted to the Reporting Person.

Filing Info

Accession No.

0001193125-26-100101

Form Type

4

Issuer CIK

0001005284

Mahon Janice K's History

Date Ticker Type Value
2026-03-07 OLED A $0
2026-03-07 OLED F $91K
2026-03-07 OLED A $0
2026-03-07 OLED F $399K
2026-03-07 OLED A $0
2026-03-07 OLED F $138K
2026-03-07 OLED F $104K
2026-03-04 OLED F $61K
2026-02-18 OLED F $92K
2026-02-17 OLED A $0

Other Insiders at OLED (90d)

Insider Bought Sold Last
LACERTE LAWRENCE 2026-03-31
HARTLEY C KEITH 2026-03-31
GEMMILL ELIZABETH H 2026-03-31
ROSENBLATT SIDNEY D 2026-03-31
BROWN JULIA J
EVP & Chief Technical Officer
2026-03-07
ABRAMSON STEVEN V
President and CEO
2026-03-07
Mahon Janice K
SVP of Tech Commercialization
2026-03-07
ELIAS RICHARD C 2026-03-31
Premutico Mauro
SVP & CLO
2026-03-07
Comparin Cynthia Jane 2026-03-31
Joseph Celia M 2026-03-31
Lau Joan 2026-03-31
Brown Nigel 2026-03-31
Millard Brian
VP/CFO
2026-03-07
Walker April 2026-03-31