Data spanning the past 90 days through December 31, 2025 reveals that Southside Bancshares's three principal insider shareholders consist of Director Herbert C Buie (412.74K shares), Director Hilliard J Shands (238.59K shares), Director Michael J Bosworth (82.88K 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 | 56,018 | 08 Dec, 2025 |
| 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 | 28,822 | 08 Dec, 2025 |
| John Robert Garrett | 25,666 | 08 Dec, 2025 | |
| Preston L Smith | 20,469 | 08 Dec, 2025 | |
| T L Jr Arnold | Cco | 19,747 | 08 Dec, 2025 |
| Donald W Thedford | 17,908 | 10 Mar, 2025 | |
| Brian K Mccabe | Coo | 17,500 | 08 Sep, 2025 |
| Kirk A. Calhoun | 16,823 | 08 Dec, 2025 | |
| James D Alfred | Rp Ctx | 14,496 | 07 Mar, 2022 |
| Suni M Davis | Chief Treasury Officer | 11,670 | 08 Dec, 2025 |
| Timothy F Alexander | Clo | 11,210 | 04 Mar, 2024 |
| Alton L. Frailey | 10,894 | 08 Dec, 2025 | |
| Keith Donahoe | President | 10,697 | 08 Dec, 2025 |
| Shannon Dacus | 8,473 | 08 Dec, 2025 | |
| Anne Martinez | Cro | 8,449 | 08 Dec, 2025 |
| Curtis Burchard | Chief Lending Officer | 6,919 | 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 | 5,024 | 08 Dec, 2025 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Dec, 2025 | Hilliard J Shands | Common Stock | D | 3,236 | $0.00 | 46,975 | D | G |
| 11 Dec, 2025 | Hilliard J Shands | Common Stock | D | 12,610 | $0.00 | 34,365 | D | G |
| 04 Dec, 2025 | Lee R Gibson | Common Stock | A | 155 | $0.00 | 56,783 | D | A |
| 04 Dec, 2025 | Curtis Burchard | Common Stock | A | 57 | $0.00 | 6,919 | D | A |
| 04 Dec, 2025 | Sherri Anthony | Common Stock | A | 17 | $0.00 | 4,326 | D | A |
| 04 Dec, 2025 | Patricia Ann Callan | Common Stock | A | 16 | $0.00 | 5,874 | D | A |
| 04 Dec, 2025 | Hilliard J Shands | Common Stock | A | 16 | $0.00 | 50,211 | D | A |
| 04 Dec, 2025 | Alton L. Frailey | Common Stock | A | 127 | $0.00 | 10,894 | D | A |
| 04 Dec, 2025 | April Pinkley | Common Stock | A | 20 | $0.00 | 4,349 | D | A |
| 04 Dec, 2025 | Anne Martinez | Common Stock | A | 25 | $0.00 | 8,449 | D | A |
| 04 Dec, 2025 | Michael J Bosworth | Common Stock | A | 25 | $0.00 | 82,876 | D | A |
| 04 Dec, 2025 | Kirk A. Calhoun | Common Stock | A | 19 | $0.00 | 16,823 | D | A |
| 04 Dec, 2025 | Lawrence Lazelle Anderson | Common Stock | A | 22 | $0.00 | 3,780 | D | A |
| 04 Dec, 2025 | Susan Elaine Anderson | Common Stock | A | 16 | $0.00 | 11,486 | D | A |
| 04 Dec, 2025 | John Robert Garrett | Common Stock | A | 16 | $0.00 | 25,666 | D | A |
| 04 Dec, 2025 | Keith Donahoe | Common Stock | A | 60 | $0.00 | 10,697 | D | A |
| 04 Dec, 2025 | Shannon Dacus | Common Stock | A | 16 | $0.00 | 8,473 | D | A |
| 04 Dec, 2025 | Preston L Smith | Common Stock | A | 28 | $0.00 | 20,469 | D | A |
| 04 Dec, 2025 | Jared C. Green | Common Stock | A | 18 | $0.00 | 5,024 | D | A |
| 04 Dec, 2025 | Suni M Davis | Common Stock | A | 41 | $0.00 | 11,670 | D | A |