Donal L. Mulligan

Companies

• Energizer Holdings, Inc.Board member Apr 5, 2021 to now¹
• HerbalifeBoard member Mar 5, 2021 to now²
• Tennant CompanyBoard member Dec 17, 2009 to now³
• General MillsChief financial officer Dec 18, 2007 to Jul 17, 2019⁴
• General MillsSenior VP, Fin. Operations Jul 10, 2007 to Jun 28, 2018⁵

Holdings

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

Shares held

• General Mills GIS223,848 shares⁶$7.3M at $32.53Jul 17, 2019
• Tennant Company TNC38,175 shares⁷$2.5M at $64.96Aug 13, 2026
• Herbalife HLF128,982 shares⁸$1.8M at $13.98May 12, 2026
• Energizer Holdings, Inc. ENR35,519 shares⁹$766.9K at $21.59Dec 2, 2025

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

Recent filings

• Aug 12, 2026Bought 8,000 shares at $67.34 of Tennant Company⁷
• May 8, 2026Granted 11,879 shares of Herbalife⁸
• May 7, 2026Granted 1,490 shares of Tennant Company¹⁰
• Apr 14, 2026Shares withheld for tax 2,456 shares at $78.81 of Tennant Company¹¹
• Apr 14, 2026Exercised options 3,538 shares at $54.70 of Tennant Company¹¹
• Feb 27, 2026Bought 3,000 shares at $61.61 of Tennant Company¹²
• Feb 26, 2026Bought 5,000 shares at $63.86 of Tennant Company¹²
• Dec 2, 2025Bought 15,000 shares at $17.40 of Energizer Holdings, Inc.⁹
• May 19, 2025Bought 10,000 shares at $23.66 of Energizer Holdings, Inc.¹³
• May 6, 2025Granted 1,815 shares of Tennant Company¹⁴
• May 2, 2025Granted 21,857 shares of Herbalife¹⁵
• Jan 2, 2025Exercised options 4,709 shares of Energizer Holdings, Inc.¹⁶
• May 8, 2024Granted 1,073 shares of Tennant Company¹⁷
• May 3, 2024Granted 15,657 shares of Herbalife¹⁸
• May 3, 2024Bought 30,000 shares at $9.65 of Herbalife¹⁸
• Feb 27, 2024Sold 2,358 shares at $110.00 of Tennant Company¹⁹
• Feb 27, 2024Exercised options 2,358 shares at $65.12 of Tennant Company¹⁹
• Oct 3, 2023Sold 1,765 shares at $73.94 of Tennant Company²⁰
• Oct 3, 2023Exercised options 1,765 shares at $64.20 of Tennant Company²⁰
• May 4, 2023Granted 11,029 shares of Herbalife²¹
• May 3, 2023Granted 1,447 shares of Tennant Company²²
• Apr 3, 2023Sold 2,320 shares at $68.38 of Tennant Company²³
• Apr 3, 2023Exercised options 2,320 shares at $46.59 of Tennant Company²³
• Feb 22, 2023Bought 15,000 shares at $19.32 of Herbalife²⁴
• Jan 3, 2023Exercised options 3,561 shares of Energizer Holdings, Inc.²⁵

Trade performance

Returns are price-only (no dividends), measured from the trade date.