Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: Energizer Holdings Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Herbalife Ltd. April 30, 202698.4%
-
Tennant Company April 29, 202697.2%
-
Energizer Holdings Inc. January 30, 202699.4%
-
Herbalife Ltd. April 23, 202598.7%
-
Energizer Holdings Inc. January 24, 202599.6%
-
Herbalife Ltd. April 25, 202499.2%
-
Energizer Holdings Inc. January 29, 202499.3%
-
Herbalife Ltd. April 26, 202399.1%
-
Tennant Company April 25, 202397.6%
-
Energizer Holdings Inc. January 30, 202399.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 12, 2026 | Tennant Company | Open-market purchase | +8,000 | $67.34 | $538,720 |
| May 8, 2026 | Herbalife Ltd. | Grant or award | +11,879 | — | — |
| May 7, 2026 | Tennant Company | Grant or award | +1,490 | — | — |
| Apr 14, 2026 | Tennant Company | Option exercise | +3,538 | $54.70 | $193,529 |
| Apr 14, 2026 | Tennant Company | Shares withheld for tax | −2,456 | $78.81 | $193,557 |
| Feb 27, 2026 | Tennant Company | Open-market purchase | +3,000 | $61.61 | $184,830 |
| Feb 26, 2026 | Tennant Company | Open-market purchase | +5,000 | $63.86 | $319,300 |
| Dec 2, 2025 | Energizer Holdings Inc. | Open-market purchase | +15,000 | $17.40 | $261,000 |
| May 19, 2025 | Energizer Holdings Inc. | Open-market purchase | +10,000 | $23.66 | $236,600 |
| May 6, 2025 | Tennant Company | Grant or award | +1,815 | — | — |
| May 2, 2025 | Herbalife Ltd. | Grant or award | +21,857 | — | — |
| Jan 2, 2025 | Energizer Holdings Inc. | Option exercise | +4,709 | — | — |
| May 8, 2024 | Tennant Company | Grant or award | +1,073 | — | — |
| May 3, 2024 | Herbalife Ltd. | Open-market purchase | +30,000 | $9.65 | $289,500 |
| May 3, 2024 | Herbalife Ltd. | Grant or award | +15,657 | — | — |
Questions about Donal L. Mulligan
What boards is Donal L. Mulligan on?
Donal L. Mulligan sits on the boards of Energizer Holdings Inc., Herbalife Ltd. and Tennant Company.
How long has Donal L. Mulligan served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.