Timothy C. Dec

Companies

• SUPERNUS PHARMACEUTICALS, INC.Chief financial officer Aug 24, 2021 to now¹
• SUPERNUS PHARMACEUTICALS, INC.President Aug 24, 2021 to now¹
• OpGen (United States)Chief financial officer May 6, 2015 to May 19, 2021²
• OpGen (United States)Cheif Financial Officer Nov 12, 2019 to Nov 12, 2019³
• TSS, Inc.Chief financial officer Mar 20, 2008 to Jun 8, 2012⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• SPSUPERNUS PHARMACEUTICALS, INC. SUPN9,129 shares⁵$364.3K at $39.91Aug 12, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 12, 2026Shares withheld for tax 604 shares at $46.57 of SUPERNUS PHARMACEUTICALS, INC.⁵
• Aug 12, 2026Exercised options 1,250 shares of SUPERNUS PHARMACEUTICALS, INC.⁵
• Mar 6, 2026Shares withheld for tax 1,450 shares at $54.73 of SUPERNUS PHARMACEUTICALS, INC.⁶
• Mar 6, 2026Exercised options 3,000 shares of SUPERNUS PHARMACEUTICALS, INC.⁶
• Mar 6, 2026Shares withheld for tax 1,433 shares at $54.73 of SUPERNUS PHARMACEUTICALS, INC.⁶
• Mar 6, 2026Exercised options 3,000 shares of SUPERNUS PHARMACEUTICALS, INC.⁶
• Feb 25, 2026Shares withheld for tax 1,279 shares at $50.69 of SUPERNUS PHARMACEUTICALS, INC.⁷
• Feb 25, 2026Granted 2,500 shares of SUPERNUS PHARMACEUTICALS, INC.⁷
• Feb 24, 2026Shares withheld for tax 1,524 shares at $50.86 of SUPERNUS PHARMACEUTICALS, INC.⁸
• Feb 24, 2026Granted 3,000 shares of SUPERNUS PHARMACEUTICALS, INC.⁸
• Feb 24, 2026Shares withheld for tax 242 shares at $50.86 of SUPERNUS PHARMACEUTICALS, INC.⁸
• Feb 24, 2026Granted 500 shares of SUPERNUS PHARMACEUTICALS, INC.⁸
• Feb 24, 2026Shares withheld for tax 603 shares at $51.35 of SUPERNUS PHARMACEUTICALS, INC.⁸
• Feb 24, 2026Granted 1,125 shares of SUPERNUS PHARMACEUTICALS, INC.⁸
• Aug 22, 2025Sold 11,780 shares at $44.49 of SUPERNUS PHARMACEUTICALS, INC.⁹
• Mar 10, 2025Shares withheld for tax 955 shares at $32.06 of SUPERNUS PHARMACEUTICALS, INC.¹⁰
• Mar 10, 2025Exercised options 1,800 shares of SUPERNUS PHARMACEUTICALS, INC.¹⁰
• Mar 10, 2025Shares withheld for tax 1,062 shares at $32.06 of SUPERNUS PHARMACEUTICALS, INC.¹⁰
• Mar 10, 2025Exercised options 2,000 shares of SUPERNUS PHARMACEUTICALS, INC.¹⁰
• Mar 5, 2025Shares withheld for tax 1,330 shares at $33.05 of SUPERNUS PHARMACEUTICALS, INC.¹¹
• Mar 5, 2025Shares withheld for tax 1,587 shares at $33.05 of SUPERNUS PHARMACEUTICALS, INC.¹¹
• Mar 5, 2025Shares withheld for tax 276 shares at $33.05 of SUPERNUS PHARMACEUTICALS, INC.¹¹
• Feb 23, 2025Granted 2,500 shares of SUPERNUS PHARMACEUTICALS, INC.¹²
• Feb 22, 2025Granted 3,000 shares of SUPERNUS PHARMACEUTICALS, INC.¹²
• Feb 22, 2025Granted 500 shares of SUPERNUS PHARMACEUTICALS, INC.¹²