Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: United Therapeutics Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
United Therapeutics Corporation June 26, 202692.3%
-
United Therapeutics Corporation June 26, 202590.4%
-
United Therapeutics Corporation June 26, 202491.4%
-
United Therapeutics Corporation June 26, 202392.0%
-
Emergent BioSolutions Inc. May 25, 202376.2%
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 |
|---|---|---|---|---|---|
| Jul 9, 2026 | United Therapeutics Corporation | Option exercise | +650 | — | — |
| Dec 22, 2025 | United Therapeutics Corporation | Option exercise | +3,230 | $183.98 | $594,255 |
| Dec 22, 2025 | United Therapeutics Corporation | Option exercise | +2,720 | $229.81 | $625,083 |
| Dec 22, 2025 | United Therapeutics Corporation | Open-market sale | −1,087 | $511.22 | $555,696 |
| Dec 22, 2025 | United Therapeutics Corporation | Open-market sale | −4,863 | $512.34 | $2,491,509 |
| Jul 25, 2025 | United Therapeutics Corporation | Option exercise | +590 | — | — |
| Apr 30, 2025 | Emergent BioSolutions Inc. | Grant or award | +34,403 | — | — |
| Dec 19, 2024 | United Therapeutics Corporation | Gift | −1,851 | — | — |
| Dec 18, 2024 | United Therapeutics Corporation | Option exercise | +15,000 | $175.43 | $2,631,450 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −1,121 | $366.11 | $410,409 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −600 | $366.97 | $220,182 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −1,307 | $368.50 | $481,630 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −2,100 | $369.32 | $775,572 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −1,400 | $370.30 | $518,420 |
| Dec 18, 2024 | United Therapeutics Corporation | Open-market sale | −1,501 | $373.12 | $560,053 |
Questions about Louis W. Sullivan
What boards is Louis W. Sullivan on?
Louis W. Sullivan sits on the boards of Emergent BioSolutions Inc. and United Therapeutics Corporation.
How long has Louis W. Sullivan served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
Reviews (0)
Sign in to write a review.
No reviews yet. Be the first to write one.