Updated Jul 16, 2026
Sullivan Diane E. has filed 3 SEC Form 4 filings across 2 companies in the last 90 days.

Diane E. Sullivan is a director at Lexicon Pharmaceuticals, Inc., a biopharmaceutical company focused on developing treatments for human diseases. She has been involved in the company's governance through her role on the board.
| Role | Director |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-04 | LXRX | LEXICON PHARMACEUTICALS, INC. | M — Option exercise | 89.3K | $0.00 | |
| 2026-04-21 | AMRN | AMARIN CORP PLC\UK | F — Tax withholding / forfeiture | 403 | $14.98 | $6K |
| 2026-04-21 | AMRN | AMARIN CORP PLC\UK | M — Option exercise | 838 | — | |
| 2025-05-13 | LXRX | LEXICON PHARMACEUTICALS, INC. | M — Option exercise | 36.8K | $0.00 |
Diane E. Sullivan is a director at Lexicon Pharmaceuticals, Inc., a biopharmaceutical company focused on developing treatments for human diseases. She has been involved in the company's governance through her role on the board.…
3 primary Form 4 filings in the last 90 days, covering 2 companies.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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