According to recent filings covering the 90 days ending February 10, 2026, the three most significant insider holders at Southside Bancshares are Director Herbert C Buie (412.74K shares), Director Hilliard J Shands (238.59K shares), Director William Sheehy (137.55K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Herbert C Buie | 412,739 | 05 Dec, 2025 | |
| Hilliard J Shands | 238,594 | 12 Dec, 2025 | |
| William Sheehy | 137,552 | 07 Dec, 2021 | |
| Michael J Bosworth | 82,876 | 08 Dec, 2025 | |
| Lee R Gibson | Chief Executive Officer | 54,858 | 03 Feb, 2026 |
| George H Iii Henderson | 48,830 | 10 Mar, 2025 | |
| John F Jr Sammons | 35,655 | 10 Mar, 2025 | |
| Susan Elaine Anderson | 34,629 | 08 Dec, 2025 | |
| Tony K Morgan | 32,520 | 10 Mar, 2025 | |
| Julie Shamburger | Cfo | 31,347 | 06 Feb, 2026 |
| John Robert Garrett | 25,666 | 08 Dec, 2025 | |
| T L Jr Arnold | Cco | 21,652 | 06 Feb, 2026 |
| Keith Donahoe | President And Ceo | 20,557 | 06 Feb, 2026 |
| Preston L Smith | 20,469 | 08 Dec, 2025 | |
| Donald W Thedford | 17,908 | 10 Mar, 2025 | |
| Brian K Mccabe | Coo | 17,500 | 08 Sep, 2025 |
| Kirk A. Calhoun | 17,123 | 04 Feb, 2026 | |
| James D Alfred | Rp Ctx | 14,496 | 07 Mar, 2022 |
| Suni M Davis | Chief Treasury Officer | 13,180 | 06 Feb, 2026 |
| Timothy F Alexander | Clo | 11,210 | 04 Mar, 2024 |
| Alton L. Frailey | 10,894 | 08 Dec, 2025 | |
| Curtis Burchard | Chief Lending Officer | 8,863 | 06 Feb, 2026 |
| Shannon Dacus | 8,473 | 08 Dec, 2025 | |
| Anne Martinez | Cro | 8,449 | 08 Dec, 2025 |
| Mark W Drennan | Regional President And Ntx | 6,252 | 10 Dec, 2024 |
| Patricia Ann Callan | 5,874 | 08 Dec, 2025 | |
| Jared C. Green | Regional President And Etx | 5,466 | 06 Feb, 2026 |
| John Mitchell Jr. Craddock | Chief Operating Officer | 5,447 | 06 Feb, 2026 |
| April Pinkley | Cao | 4,349 | 08 Dec, 2025 |
| Sherri Anthony | Chief Banking Officer | 4,326 | 08 Dec, 2025 |
| Lawrence Lazelle Anderson | 3,780 | 08 Dec, 2025 | |
| Emily S Moore | Hr Director | 3,217 | 06 Sep, 2023 |
| Cindy Blackstone | Chief Retail Officer | 2,862 | 30 Jun, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Feb, 2026 | Julie Shamburger | Common Stock | A | 3,046 | $0.00 | 31,347 | D | A |
| 04 Feb, 2026 | T L Jr Arnold | Common Stock | A | 2,287 | $0.00 | 21,652 | D | A |
| 04 Feb, 2026 | Suni M Davis | Common Stock | A | 1,768 | $0.00 | 13,180 | D | A |
| 04 Feb, 2026 | Jared C. Green | Common Stock | A | 442 | $0.00 | 5,466 | D | A |
| 04 Feb, 2026 | Keith Donahoe | Common Stock | A | 9,860 | $0.00 | 20,557 | D | A |
| 04 Feb, 2026 | Curtis Burchard | Common Stock | A | 1,944 | $0.00 | 8,863 | D | A |
| 04 Feb, 2026 | John Mitchell Jr. Craddock | Common Stock | A | 1,796 | $0.00 | 5,447 | D | A |
| 03 Feb, 2026 | Kirk A. Calhoun | Common Stock | A | 300 | $33.15 | 17,123 | D | P |
| 02 Feb, 2026 | Lee R Gibson | Common Stock | D | 413 | $33.10 | 54,858 | D | F |
| 02 Feb, 2026 | Julie Shamburger | Common Stock | D | 182 | $33.10 | 28,301 | D | F |
| 02 Feb, 2026 | T L Jr Arnold | Common Stock | D | 127 | $33.10 | 19,365 | D | F |
| 02 Feb, 2026 | Suni M Davis | Common Stock | D | 90 | $33.10 | 11,412 | D | F |
| 01 Feb, 2026 | Lee R Gibson | Common Stock | D | 747 | $32.19 | 55,271 | D | F |
| 01 Feb, 2026 | Julie Shamburger | Common Stock | D | 339 | $32.19 | 28,483 | D | F |
| 01 Feb, 2026 | T L Jr Arnold | Common Stock | D | 255 | $32.19 | 19,492 | D | F |
| 01 Feb, 2026 | Suni M Davis | Common Stock | D | 195 | $32.19 | 11,502 | D | F |
| 11 Dec, 2025 | Hilliard J Shands | Common Stock | D | 12,610 | $0.00 | 34,365 | D | G |
| 11 Dec, 2025 | Hilliard J Shands | - | - | 34,365 | D | |||
| 09 Dec, 2025 | Hilliard J Shands | Common Stock | D | 3,236 | $0.00 | 46,975 | D | G |
| 05 Dec, 2025 | Lee R Gibson | Common Stock | D | 765 | $0.00 | 56,018 | D | G |