Southside Bancshares Inc SEC Filings

BlackRock, Inc. filed Amendment No. 16 to Schedule 13G for Southside Bancshares, Inc. (SBSI), reporting beneficial ownership of 4,043,073 common shares, or 13.4% of the class as of 09/30/2025.

BlackRock reports sole voting power over 3,969,539 shares and sole dispositive power over 4,043,073 shares, with no shared voting or dispositive power. The filing states the securities are held in the ordinary course and not for the purpose of changing or influencing control. An affiliated fund, iShares Core S&P Small-Cap ETF, has an interest exceeding five percent of the outstanding common stock.

Southside Bancshares, Inc. increased its Stock Repurchase Plan authorization by 1.0 million shares to a total of 2.0 million shares. The company has purchased approximately 868,000 shares at an average price of $28.43, leaving about 1.1 million shares available. Repurchases may occur in open market or privately negotiated transactions, and the plan can be modified, suspended or discontinued at any time.

The boards of the Company and Southside Bank will expand to fourteen members with the appointments of Keith M. Donahoe, Jeb W. Jones, and Raymond C. McKinney, CPA, effective November 15, 2025. Donahoe, the Company and Bank President, will receive no additional board compensation. McKinney will join the Company’s Audit and Risk Committees; all three will serve on key Bank committees. Initial terms run through the 2026 Annual Meeting.

The boards also approved Mitchell Craddock as Chief Operating Officer, effective upon the retirement of Brian K. McCabe on November 14, 2025. The Company noted the passing of Director Emeritus William Sheehy on October 5, 2025.

Southside Bancshares, Inc. reported an executive appointment-related disclosure. The filing describes Mr. Donahoe, age 55, who has over 30 years of banking experience and has served as President of the Company and Southside since May 2024, overseeing credit, commercial lending, information technology and bank operations.

His prior roles at Southside Bank began in 2021 as Austin Market President, progressing to Central Texas Regional President, and earlier he spent 26 years at Frost Bank, including 10 years as an Executive Vice President.

Brian K. McCabe, Chief Operating Officer of Southside Bancshares, Inc. (SBSI), reported a small non‑derivative acquisition and his beneficial ownership breakdown. The filing records receipt of 46 dividend equivalent rights related to RSUs at a $0 price, described as dividend equivalents that follow the same terms as the underlying restricted stock units. Following the reported transaction, Mr. McCabe is shown as beneficially owning 17,500 shares directly, plus 15,369 shares indirectly through the company ESOP and 8,734 shares indirectly via the 401(k) SSB Trust.

Keith Donahoe, President and Director of Southside Bancshares, Inc. (SBSI), reported a transaction dated 09/04/2025 on a Form 4 filed 09/08/2025. The filing shows he received 66 shares of common stock as dividend equivalent rights paid on restricted stock units (RSUs) at a stated price of $0. After that transaction he beneficially owns 10,834 shares directly. The filing also reports 602 shares held indirectly through an ESOP as shares acquired under the company’s Dividend Reinvestment Program. The form is signed by an attorney-in-fact.

Southside Bancshares, Inc. (SBSI) reporting person Lee R. Gibson, who is both a director and the Chief Executive Officer, reported a non-derivative acquisition related to equity awards dated 09/04/2025. The report shows 149 shares were acquired as dividend equivalent rights on restricted stock units at a reported price of $0, and after the transaction the reporting person directly beneficially owns 62,148 shares. The filing also discloses indirect holdings of 30,967 shares through an ESOP and 8,468 shares through a 401(k) SSB trust. The form notes inclusion of shares from the company’s Dividend Reinvestment Program.

Julie Shamburger, CFO of Southside Bancshares, Inc. (SBSI), reported insider activity on Form 4. The filing shows a 09/04/2025 transaction recording 69 dividend-equivalent rights received in connection with RSUs at a $0 price, and lists total 28,751 shares directly beneficially owned after the transaction. The report also discloses indirect holdings of 4,787 shares via a 401(k) SSB Trust, 4,157 shares held by an ESOP, 3,250 shares in a spouse IRA, and 3,787 shares in an IRA. The filing notes that dividend-equivalent rights follow the same terms as the underlying RSUs and that some shares reflect participation in the company Dividend Reinvestment Program. The Form 4 was signed by an attorney-in-fact on 09/08/2025.

Anne Martinez, Chief Risk Officer of Southside Bancshares, Inc. (SBSI), reported a non-derivative acquisition on 09/04/2025 converting 29 dividend-equivalent rights into common stock at no cash price, reflecting dividend equivalents paid on restricted stock units. After the reported transaction, Ms. Martinez directly beneficially owns 6,337 shares of SBSI common stock.

She also discloses indirect holdings of 2,965 shares in a 401(k), 2,548 shares in an ESOP, and 303 shares in a spouse IRA. The Form 4 was signed by an attorney-in-fact on 09/08/2025. The filing records the transaction as an issuance tied to dividend equivalents on RSUs and provides no information on any derivative instruments or cash purchases.

April Pinkley, Chief Accounting Officer of Southside Bancshares, Inc. (SBSI), reported a small insider acquisition tied to equity compensation. On 09/04/2025 she received 22 dividend equivalent rights related to restricted stock units at a stated price of $0, which are treated as an acquisition. After the transaction the filing shows 2,775 shares beneficially owned directly and 2,075 shares beneficially owned indirectly through an ESOP. The Form 4 was signed by an attorney-in-fact on 09/08/2025.