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Mahon Janice K

Disclosed activity across 1 company

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61843
SEC CIK
0001423446

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
UNIVERSAL DISPLAY CORP \PA\OLED · Entity 4078SVP of Tech CommercializationMarch 07, 2026March 10, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

UNIVERSAL DISPLAY CORP \PA\

Report date March 07, 2026 · Filed March 10, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect64,946 Ending reported balance After 2026-03-07 transaction · row 7
7 source rows · reconciled sequence

Row 1 · 2026-03-07 · Grant · Acquired 2,604 · Balance 61,115

F1: 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.

Row 2 · 2026-03-07 · Tax withholding · Disposed 941 · Balance 60,174

F2: 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.

Row 3 · 2026-03-07 · Grant · Acquired 8,597 · Balance 68,771

F1: 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.

Row 4 · 2026-03-07 · Tax withholding · Disposed 4,113 · Balance 64,658

F3: 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.

Row 5 · 2026-03-07 · Grant · Acquired 2,777 · Balance 67,435

F1: 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.

Row 6 · 2026-03-07 · Tax withholding · Disposed 1,420 · Balance 66,015

F4: 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.

Row 7 · 2026-03-07 · Tax withholding · Disposed 1,069 · Balance 64,946

F5: 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 footnotes · ownership attribution and instrument terms

F1: 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.

F2: 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.

F3: 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.

F4: 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.

F5: 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,069 $97.03 $103,725.07
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 7

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,946

F5 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,420 $97.03 $137,782.60
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 6

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,015

F4 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 2,777 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 5

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,435

F1 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 4,113 $97.03 $399,084.39
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 4

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,658

F3 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 8,597 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,771

F1 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 941 $97.03 $91,305.23
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,174

F2 · shares: 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.

Read SEC document
March 07, 2026 Filed Mar 10, 2026 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 2,604 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-100101 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,115

F1 · shares: 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.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 605 $101.52 $61,419.60
Disclosure

SEC source: 0001193125-26-096442 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,511

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 4, 2026 of 1,676 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 18, 2026 Filed Feb 19, 2026 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 770 $119.92 $92,338.40
Disclosure

SEC source: 0001193125-26-059321 · ownership.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,116

F3 · shares: 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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 7,300 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-059321 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,886

F1 · shares: 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 · balance_after: 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.

Read SEC document
March 07, 2025 Filed Mar 11, 2025 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,070 $159.74 $170,921.80
Disclosure

SEC source: 0000950170-25-037114 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,450

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2025 of 2,092 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 04, 2025 Filed Mar 6, 2025 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 857 $148.85 $127,564.45
Disclosure

SEC source: 0000950170-25-034572 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,520

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 4, 2025 of 1,677 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 5,994 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 6

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,377

F6 · shares: These units were granted to the Reporting Person under the Company's Long Term Incentive Plan as part of the Reporting Person's 2025 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of February 18, 2026, 2027 and 2028.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 3,379 $145.02 $490,022.58
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 5

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,383

F5 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on February 18, 2025 of 8,066 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 8,066 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 4

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,762

F3 · shares: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2022 compensation and vested subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 18, 2025 as having occurred.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,635 $145.02 $237,107.70
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,696

F4 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on February 18, 2025 of 3,197 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 3,197 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,331

F3 · shares: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2022 compensation and vested subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 18, 2025 as having occurred.

Read SEC document
February 16, 2025 Filed Feb 20, 2025 22:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 744 $142.50 $106,020.00
Disclosure

SEC source: 0000950170-25-024247 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,134

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on February 16, 2025 of 1,955 shares of restricted stock previously granted to the Reporting Person.

F2 · balance_after: Includes 28, 24, 23, and 28 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 28, 2024, June 28, 2024, September 30, 2024, and December 31, 2024, respectively.

Read SEC document
March 07, 2024 Filed Mar 11, 2024 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,070 $172.74 $184,831.80
Disclosure

SEC source: 0000950170-24-029194 · ownership.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,775

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2024 of 2,092 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 07, 2024 Filed Mar 11, 2024 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 518 $172.74 $89,479.32
Disclosure

SEC source: 0000950170-24-029194 · ownership.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,845

F2 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 7, 2024 of 1,014 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 07, 2024 Filed Mar 11, 2024 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 1,014 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-029194 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,363

F1 · shares: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2021 compensation and vested subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on March 7, 2024 as having occurred.

Read SEC document
March 04, 2024 Filed Mar 5, 2024 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 5,029 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-025845 · ownership.xml · nonDerivative · entry 4

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,349

F4 · shares: These units were granted to the Reporting Person under the Company's Long Term Incentive Plan as part of the Reporting Person's 2024 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of March 4, 2025, 2026, and 2027.

Read SEC document
March 02, 2024 Filed Mar 5, 2024 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 733 $174.68 $128,040.44
Disclosure

SEC source: 0000950170-24-025845 · ownership.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,320

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 2, 2024 of 2,028 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 02, 2024 Filed Mar 5, 2024 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 2,028 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-025845 · ownership.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,053

F2 · shares: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2021 compensation and vested on March 2, 2024 subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 20, 2024 as having occurred.

Read SEC document
March 02, 2024 Filed Mar 5, 2024 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,253 $174.68 $218,874.04
Disclosure

SEC source: 0000950170-24-025845 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,025

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 2, 2024 of 2,704 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 16, 2024 Filed Feb 21, 2024 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 731 $181.76 $132,866.56
Disclosure

SEC source: 0000950170-24-017872 · ownership.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,278

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on February 16, 2024 of 1,955 shares of restricted stock previously granted to the Reporting Person.

F2 · balance_after: Includes 42, 27, 31, and 25 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2023, June 30, 2023, September 29, 2023, and December 29, 2023, respectively.

Read SEC document
March 22, 2023 Filed Mar 24, 2023 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 714 $144.89 $103,451.46
Disclosure

SEC source: 0001209191-23-021049 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,884

F2 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 22, 2023 of 1,396 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 22, 2023 Filed Mar 24, 2023 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 1,396 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-021049 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,598

F1 · shares: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2020 compensation and vested subject to the satisfaction of certain performance conditions, which our Human Capital Committee certified on March 22, 2023 as having occurred.

Read SEC document
March 07, 2023 Filed Mar 8, 2023 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 6,275 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-017140 · doc4.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,202

F3 · shares: These units were granted to the Reporting Person under the Company's Long Term Incentive Plan as part of her 2023 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of March 7, 2024, 2025, and 2026.

Read SEC document
March 06, 2023 Filed Mar 8, 2023 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,903 $140.62 $267,599.86
Disclosure

SEC source: 0001209191-23-017140 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,927

F2 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2023 of 3,721 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 06, 2023 Filed Mar 8, 2023 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,171 $140.62 $164,666.02
Disclosure

SEC source: 0001209191-23-017140 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,830

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2023 of 2,560 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 977 $138.97 $135,773.69
Disclosure

SEC source: 0001209191-23-016231 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,001

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 2, 2023 of 2,704 shares of restricted stock previously granted to the Reporting Person.

Read SEC document
February 16, 2023 Filed Feb 21, 2023 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 737 $133.44 $98,345.28
Disclosure

SEC source: 0001209191-23-011104 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,978

F1 · shares: These share were withheld to satisfy a tax liability in connection with the vesting on February 16, 2023 of 1,955 shares of restricted stock previously granted to the Reporting Person.

F2 · balance_after: Includes 43, 46 and 40 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on June 30, 2022, September 30, 2022, and December 31, 2022, respectively.

Read SEC document
April 05, 2022 Filed Apr 7, 2022 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 494 $163.29 $80,665.26
Disclosure

SEC source: 0001209191-22-023646 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,586

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on April 5, 2022 of 966 shares of restricted stock previously granted to the reporting person.

Read SEC document
April 05, 2022 Filed Apr 7, 2022 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 966 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-023646 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,080

F1 · shares: These shares were granted to the reporting person as performance units under the Company's Long Term Incentive Plan as part of 2019 compensation and vested subject to the satisfaction of certain performance conditions, which our Human Capital Committee certified on April 5, 2022 as having occurred.

F2 · balance_after: Includes 22 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2022.

Read SEC document
March 06, 2022 Filed Mar 8, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,903 $156.07 $297,001.21
Disclosure

SEC source: 0001209191-22-017031 · doc4.xml · nonDerivative · entry 5

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,092

F5 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2022 of 3,722 shares of restricted stock previously granted to the reporting person.

Read SEC document
March 06, 2022 Filed Mar 8, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,309 $156.07 $204,295.63
Disclosure

SEC source: 0001209191-22-017031 · doc4.xml · nonDerivative · entry 4

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,995

F4 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2022 of 2,560 shares of restricted stock previously granted to the reporting person.

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March 05, 2022 Filed Mar 8, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 164 $156.07 $25,595.48
Disclosure

SEC source: 0001209191-22-017031 · doc4.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,304

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 5, 2022 of 322 shares of restricted stock previously granted to the reporting person.

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March 05, 2022 Filed Mar 8, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 61 $156.07 $9,520.27
Disclosure

SEC source: 0001209191-22-017031 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,468

F2 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 5, 2022 of 121 shares of restricted stock previously granted to the reporting person.

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March 05, 2022 Filed Mar 8, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 121 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-017031 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,529

F1 · shares: These shares were granted to the reporting person as performance units under the Company's Long Term Incentive Plan as part of her 2019 compensation and vested on March 5, 2022 subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 16, 2022 as having occurred.

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March 02, 2022 Filed Mar 4, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,241 $159.07 $197,405.87
Disclosure

SEC source: 0001209191-22-016176 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,408

F1 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 2, 2022 of 2,704 shares of restricted stock previously granted to the reporting person.

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February 16, 2022 Filed Feb 18, 2022 21:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 5,865 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-011195 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · SVP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,649

F1 · shares: These units were granted to Ms. Mahon under the Company's Long Term Incentive Plan as part of her 2022 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of February 16, 2023, 2024, and 2025.

F2 · balance_after: Includes 19 shares, 21 shares, and 26 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on June 30, 2021, September 30, 2021, and December 31, 2021, respectively.

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April 06, 2021 Filed Apr 8, 2021 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 294 $242.10 $71,177.40
Disclosure

SEC source: 0001209191-21-026050 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,718

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on April 6, 2021 of 576 shares of restricted stock previously granted to Ms. Mahon.

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April 06, 2021 Filed Apr 8, 2021 20:00 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 576 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-026050 · doc4.xml · nonDerivative · entry 1

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,012

F1 · shares: These shares were granted to Ms. Mahon as performance units under the Company's Long Term Incentive Plan as part of her 2018 compensation and vested subject to the satisfaction of certain performance conditions, which our Human Capital Committee certified on April 6, 2021 as having occurred.

F2 · balance_after: Includes 14 shares acquired under the Universal Display Corporation Employee Stock Purchase Plan on March 31, 2021.

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March 08, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 3,499 $199.81 $699,135.19
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 7

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,422

F8 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 8, 2021 of 7,000 shares of restricted stock previously granted to Ms. Mahon.

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March 06, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 1,345 $189.08 $254,312.60
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 6

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,921

F7 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2021 of 3,722 shares of restricted stock previously granted to Ms. Mahon.

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March 06, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 121 $189.08 $22,878.68
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 5

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,266

F6 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2021 of 288 shares of restricted stock previously granted to Ms. Mahon.

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March 06, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 GrantCommon Stock 288 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 4

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,387

F5 · shares: These shares were granted to Ms. Mahon as performance units under the Company's Long Term Incentive Plan as part of her 2018 compensation and vested on March 6, 2021 subject to the satisfaction of certain performance conditions, which our Human Capital Committee certified on February 16, 2021 as having occurred.

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March 06, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 138 $189.08 $26,093.04
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 3

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,099

F4 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 6, 2021 of 384 shares of restricted stock previously granted to Ms. Mahon.

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March 05, 2021 Filed Mar 9, 2021 21:17 UTC UNIVERSAL DISPLAY CORP \PA\ OLED · Entity 4078 Tax withholdingCommon Stock 117 $189.08 $22,122.36
Disclosure

SEC source: 0001209191-21-018958 · doc4.xml · nonDerivative · entry 2

Mahon Janice K · CIK 0001423446 · VP of Tech Commercialization

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,237

F3 · shares: These shares were withheld to satisfy a tax liability in connection with the vesting on March 5, 2021 of 322 shares of restricted stock previously granted to Ms. Mahon.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.