SEC Insider Transactions from NEWHALL CHARLES W III.

Last updated: 2026-03-14 11:52 UTC | Total transactions: 30

Charles W. Newhall III, a director at Supernus Pharmaceuticals, Inc. ($SUPN), sold shares on the open market five times over the past year, totaling about $1.5 million. His most recent sale occurred on October 9, 2025. These $SUPN insider sales rank 4,002nd among 11,678 individual insiders in our database, where the average is $8.6 million across about 6.4 transactions. Newhall made no open market purchases in this period.

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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
Feb. 24, 2026 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director D Restricted Stock Unit 4475 $0.00 0.0000 56,552,741 100.00% 0.01%
Feb. 24, 2026 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Common Stock 4475 $0.00 124,119.0000 56,552,741 3.74% 0.01%
Feb. 18, 2026 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Director Stock Option (Right to Buy) 4977 $0.00 4,977.0000 56,552,741 9999.99% 0.01%
Feb. 18, 2026 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Restricted Stock Unit 2989 $0.00 2,989.0000 56,552,741 9999.99% 0.01%
Nov. 21, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Common Stock 15000 $12.98 119,644.0000 56,552,741 14.33% 0.03%
Nov. 21, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Director Stock Option (Right to Buy) 15000 $0.00 0.0000 56,552,741 100.00% 0.03%
Oct. 9, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 1200 $51.55 104,644.0000 56,552,741 1.13% 0.00%
Oct. 9, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 23800 $50.73 105,844.0000 56,552,741 18.36% 0.04%
Aug. 27, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 3588 $45.01 129,644.0000 55,958,537 2.69% 0.01%
Aug. 25, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 1000 $45.00 133,232.0000 55,958,537 0.74% 0.00%
Aug. 22, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 1412 $45.00 134,232.0000 55,958,537 1.04% 0.00%
Feb. 22, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Common Stock 5369 $0.00 135,644.0000 55,958,537 4.12% 0.01%
Feb. 22, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director D Restricted Stock Units 5369 $0.00 0.0000 55,958,537 100.00% 0.01%
Feb. 19, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Director Stock Option (Right to Buy) 7296 $0.00 7,296.0000 55,958,537 9999.99% 0.01%
Feb. 19, 2025 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Restricted Stock Unit 4475 $0.00 4,475.0000 55,958,537 9999.99% 0.01%
Nov. 11, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 10700 $36.24 130,275.0000 56,016,350 7.59% 0.02%
Nov. 11, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Director Stock Option (Right to Buy) 20000 $0.00 0.0000 56,016,350 100.00% 0.04%
Nov. 11, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Common Stock 20000 $9.13 140,975.0000 56,016,350 16.53% 0.04%
Feb. 23, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director D Restricted Stock Unit 3886 $0.00 0.0000 55,506,828 100.00% 0.01%
Feb. 23, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Common Stock 3886 $0.00 120,975.0000 55,506,828 3.32% 0.01%
Feb. 22, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Restricted Stock Units 5369 $0.00 5,369.0000 55,506,828 9999.99% 0.01%
Feb. 22, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Director Stock Option (Right to Buy) 8252 $0.00 8,252.0000 55,506,828 9999.99% 0.01%
Nov. 16, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Director Stock Option (Right to Buy) 7457 $0.00 0.0000 61,679,800 100.00% 0.01%
Nov. 16, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director M Common Stock 7457 $9.24 119,589.0000 61,679,800 6.65% 0.01%
Nov. 16, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director S Common Stock 2500 $28.01 117,089.0000 61,679,800 2.09% 0.00%
Feb. 23, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Director Stock Option (Right to Buy) 6293 $0.00 6,293.0000 61,679,800 9999.99% 0.01%
Feb. 23, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Restricted Stock Units 3886 $0.00 3,886.0000 61,679,800 9999.99% 0.01%
Feb. 22, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director A Common Stock 3882 $0.00 112,132.0000 61,679,800 3.59% 0.01%
Feb. 22, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director D Restricted Stock Units 3882 $0.00 0.0000 61,679,800 100.00% 0.01%
April 17, 2018 SUPERNUS PHARMACEUTICALS, INC. $SUPN NEWHALL CHARLES W III Director G Common Stock 2203 $0.00 108,250.0000 0 1.99% 0.00%