SEC Insider Transactions from Mahon Janice K.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 33

Mahon Janice K has filed 33 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 8597 shares of UNIVERSAL DISPLAY CORP \PA\ ($OLED) on March 07, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 8597 $0.00 68,771.0000 47,658,295 14.29% 0.02%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 2604 $0.00 61,115.0000 47,658,295 4.45% 0.01%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 941 $97.03 60,174.0000 47,658,295 1.54% 0.00%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1069 $97.03 64,946.0000 47,658,295 1.62% 0.00%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1420 $97.03 66,015.0000 47,658,295 2.11% 0.00%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 2777 $0.00 67,435.0000 47,658,295 4.29% 0.01%
March 7, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 4113 $97.03 64,658.0000 47,658,295 5.98% 0.01%
March 4, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 605 $101.52 58,511.0000 47,658,295 1.02% 0.00%
Feb. 17, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 7300 $0.00 59,886.0000 47,658,295 13.88% 0.02%
Feb. 18, 2026 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 770 $119.92 59,116.0000 47,658,295 1.29% 0.00%
March 7, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1070 $159.74 52,450.0000 47,652,662 2.00% 0.00%
March 4, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 857 $148.85 53,520.0000 47,652,662 1.58% 0.00%
Feb. 18, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 5994 $0.00 54,377.0000 47,652,662 12.39% 0.01%
Feb. 18, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 3379 $145.02 48,383.0000 47,652,662 6.53% 0.01%
Feb. 18, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 8066 $0.00 51,762.0000 47,652,662 18.46% 0.02%
Feb. 18, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1635 $145.02 43,696.0000 47,652,662 3.61% 0.00%
Feb. 18, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 3197 $0.00 45,331.0000 47,652,662 7.59% 0.01%
Feb. 16, 2025 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 744 $142.50 42,134.0000 47,652,662 1.74% 0.00%
March 7, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 1014 $0.00 44,363.0000 47,622,763 2.34% 0.00%
March 7, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1070 $172.74 42,775.0000 47,622,763 2.44% 0.00%
March 7, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 518 $172.74 43,845.0000 47,622,763 1.17% 0.00%
March 2, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1253 $174.68 37,025.0000 47,622,763 3.27% 0.00%
March 2, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 2028 $0.00 39,053.0000 47,622,763 5.48% 0.00%
March 4, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 5029 $0.00 43,349.0000 47,622,763 13.12% 0.01%
March 2, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 733 $174.68 38,320.0000 47,622,763 1.88% 0.00%
Feb. 16, 2024 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 731 $181.76 38,278.0000 47,622,763 1.87% 0.00%
March 22, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 714 $144.89 38,884.0000 47,468,507 1.80% 0.00%
March 22, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 1396 $0.00 39,598.0000 47,468,507 3.65% 0.00%
March 6, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1171 $140.62 33,830.0000 47,468,507 3.35% 0.00%
March 6, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 1903 $140.62 31,927.0000 47,468,507 5.63% 0.00%
March 7, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization A Common Stock 6275 $0.00 38,202.0000 47,468,507 19.65% 0.01%
March 2, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 977 $138.97 35,001.0000 47,468,507 2.72% 0.00%
Feb. 16, 2023 UNIVERSAL DISPLAY CORP \PA\ $OLED Mahon Janice K SVP of Tech Commercialization F Common Stock 737 $133.44 35,978.0000 47,468,507 2.01% 0.00%