| As filed with the Securities and Exchange Commission on August 4, 2023 | ||||||||||||||
| Registration No. 333- | ||||||||||||||
Delaware (State or other jurisdiction of incorporation or organization)  | 76-0474169 (I.R.S.  Employer Identification No.)  | ||||
2445 Technology Forest Blvd., 11th Floor The Woodlands, Texas (Address of Principal Executive Offices)  | 77381 (Zip Code)  | ||||
| Jackson A. O'Maley Vinson & Elkins L.L.P. 1001 Fannin, Suite 2500 Houston, Texas 77002-6760 (713) 758-2222  | Brian T. Crum Senior Vice President and General Counsel Lexicon Pharmaceuticals, Inc. 2445 Technology Forest Blvd., 11th Floor The Woodlands, Texas 77381 (281) 863-3000  | ||||
| Exhibit No. | Description | |||||||||||||
| 3.1 | — | Fifth Amended and Restated Certificate of Incorporation (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K dated May 20, 2022 and incorporated by reference herein).  | ||||||||||||
| 3.2 | — | Second Amended and Restated Bylaws (filed as Exhibit 3.2 to the Company’s Current Report on Form 8-K dated April 26, 2012 and incorporated by reference herein).  | ||||||||||||
| 4.1 | — | Securities Purchase Agreement, dated June 17, 2007, with Invus, L.P. (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated June 17, 2007 and incorporated by reference herein).  | ||||||||||||
| 4.2 | — | Amendment, dated October 7, 2009, to Securities Purchase Agreement, dated June 17, 2007, with Invus, L.P. (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated October 7, 2009 and incorporated by reference herein).  | ||||||||||||
| 4.3 | — | Registration Rights Agreement, dated June 17, 2007, with Invus, L.P. (filed as Exhibit 10.3 to the Company’s Current Report on Form 8-K dated June 17, 2007 and incorporated by reference herein).  | ||||||||||||
| 4.4 | — | Stockholders’ Agreement, dated June 17, 2007, with Invus, L.P. (filed as Exhibit 10.4 to the Company’s Current Report on Form 8-K dated June 17, 2007 and incorporated by reference herein).  | ||||||||||||
| 4.5 | — | Supplement to Transaction Agreements, dated March 15, 2010, with Invus, L.P. and Invus C.V. (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated March 15, 2010 and incorporated by reference herein).  | ||||||||||||
| 4.6 | — | Supplement No. 2 to Transaction Agreements, dated February 23, 2012, with Invus, L.P. and Invus C.V. (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated February 23, 2012 and incorporated by reference herein).  | ||||||||||||
| 4.7 | — | Supplement No. 3 to the Transaction Agreements, dated December 16, 2020, with Invus, L.P. and Invus C.V. (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated December 16, 2020 and incorporated by reference herein).  | ||||||||||||
| 4.8 | — | Description of Common Stock (filed as Exhibit 4.8 to the Company's Annual Report on Form 10-K for the period ended December 31, 2021 and incorporated by reference herein).  | ||||||||||||
| *5.1 | — | |||||||||||||
| *23.1 | — | |||||||||||||
| *23.2 | — | Consent of Vinson & Elkins L.L.P. (contained in Exhibit 5.1). | ||||||||||||
| *24.1 | — | Power of Attorney (contained in signature page). | ||||||||||||
| 99.1 | — | 2017 Equity Incentive Plan, as amended (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K dated April 27, 2023 and incorporated by reference herein).  | ||||||||||||
| 99.2 | — | 2017 Non-Employee Directors' Equity Incentive Plan, as amended (filed as Exhibit 10.2 to the Company’s Current Report on Form 8-K dated April 27, 2023 and incorporated by reference herein).  | ||||||||||||
| *107.1 | — | |||||||||||||
| Lexicon Pharmaceuticals, Inc. | ||||||||
| By: | /s/ Lonnel Coats | |||||||
| Lonnel Coats | ||||||||
| Chief Executive Officer | ||||||||
| Signature | Title | Date | |||||||||
| /s/ Lonnel Coats | Chief Executive Officer and Director (Principal Executive Officer)  | August 4, 2023 | |||||||||
| Lonnel Coats | |||||||||||
| /s/ Jeffrey L. Wade | President and Chief Financial Officer (Principal Financial Officer) | August 4, 2023 | |||||||||
| Jeffrey L. Wade | |||||||||||
| /s/ Kristen L. Alexander | Vice President, Finance and Accounting (Principal Accounting Officer)  | August 4, 2023 | |||||||||
| Kristen L. Alexander | |||||||||||
| /s/ Raymond Debbane | Chairman of the Board of Directors | August 4, 2023 | |||||||||
| Raymond Debbane | |||||||||||
| /s/ Philippe J. Amouyal | Director | August 4, 2023 | |||||||||
| Philippe J. Amouyal | |||||||||||
| /s/ Samuel L. Barker | Director | August 4, 2023 | |||||||||
| Samuel L. Barker, Ph.D. | |||||||||||
| /s/ Robert J. Lefkowitz | Director | August 4, 2023 | |||||||||
| Robert J. Lefkowitz, M.D. | |||||||||||
| /s/ Alan S. Nies | Director | August 4, 2023 | |||||||||
| Alan S. Nies, M.D. | |||||||||||
| /s/ Christopher J. Sobecki | Director | August 4, 2023 | |||||||||
| Christopher J. Sobecki | |||||||||||
| /s/ Diane E. Sullivan | Director | August 4, 2023 | |||||||||
| Diane E. Sullivan | |||||||||||
| /s/ Judith L. Swain | Director | August 4, 2023 | |||||||||
| Judith L. Swain, M.D. | |||||||||||