Janice K. Mahon - 17 Feb 2026 Form 4 Insider Report for UNIVERSAL DISPLAY CORP \PA\ (OLED)

Role
SVP of Tech Commercialization
Signature
/s/ Janice K. Mahon (by Mauro Premutico as power of attorney)
Issuer symbol
OLED
Transactions as of
17 Feb 2026
Net transactions value
-$92,338
Form type
4
Filing time
19 Feb 2026, 16:00:10 UTC
Previous filing
11 Mar 2025
Next filing
06 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mahon Janice K SVP of Tech Commercialization C/O UNIVERSAL DISPLAY CORPORATION, 250 PHILLIPS BLVD., EWING /s/ Janice K. Mahon (by Mauro Premutico as power of attorney) 19 Feb 2026 0001423446

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OLED Common Stock Award $0 +7,300 +14% $0.000000 59,886 17 Feb 2026 Direct F1, F2
transaction OLED Common Stock Tax liability $92,338 -770 -1.3% $119.92 59,116 18 Feb 2026 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These units were granted to the Reporting Person under the Company's Long Term Incentive Plan as part of the Reporting Person's 2026 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of February 17, 2027, 2028 and 2029.
F2 Includes 35, 31, 34 and 36 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2025, June 30, 2025, September 30, 2025 and December 31, 2025, respectively.
F3 These shares were withheld to satisfy a tax liability in connection with the vesting on February 18, 2026 of 1,998 shares of restricted stock previously granted to the Reporting Person.