SEC Insider Transactions from SIEBERT JOHN M.

Last updated: 2026-03-14 11:35 UTC | Total transactions: 8

SIEBERT JOHN M has filed 8 insider transactions across 1 company since February 2023.

Most recent transaction: a grant/award of 3886 shares of SUPERNUS PHARMACEUTICALS, INC. ($SUPN) on February 23, 2024.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 23, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M Director A Common Stock 3886 $0.00 87,943.0000 55,506,828 4.62% 0.01%
Feb. 23, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M Director D Restricted Stock Unit 3886 $0.00 0.0000 55,506,828 100.00% 0.01%
Feb. 22, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M Director A Director Stock Option (Right to Buy) 8252 $0.00 8,252.0000 55,506,828 9999.99% 0.01%
Feb. 22, 2024 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M Director A Restricted Stock Units 5369 $0.00 5,369.0000 55,506,828 9999.99% 0.01%
Feb. 23, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M 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 SIEBERT JOHN M 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 SIEBERT JOHN M Director A Common Stock 3882 $0.00 84,057.0000 61,679,800 4.84% 0.01%
Feb. 22, 2023 SUPERNUS PHARMACEUTICALS, INC. $SUPN SIEBERT JOHN M Director D Restricted Stock Units 3882 $0.00 0.0000 61,679,800 100.00% 0.01%