Lee R. Gibson - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Lee R. Gibson has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $121K.
Profile
Lee R. Gibson holds the role of CHIEF EXECUTIVE OFFICER at SOUTHSIDE BANCSHARES INC (SBSI). Gibson has reported 12 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | Director |
|---|---|
| Notability | 40/100 |
Board memberships
- SOUTHSIDE BANCSHARES INC
Reported roles
- CHIEF EXECUTIVE OFFICER
Awards & honors
- Chief Executive Officer of Southside Bancshares Inc
- Director at Southside Bancshares Inc
Trading Pattern
InsiderAlpha's records for Lee R. Gibson go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Lee R. Gibson has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Director at SOUTHSIDE BANCSHARES INC (SBSI) - 5 filings, 2026
- CHIEF EXECUTIVE OFFICER, Director at SOUTHSIDE BANCSHARES INC (SBSI) - 7 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-03 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 93 | $0.00 | |
| 2026-05-18 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 1.2K | $0.00 | |
| 2026-03-18 | SBSI | SOUTHSIDE BANCSHARES INC | F - Tax withholding / forfeiture | 993 | $29.94 | $30K |
| 2026-03-18 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 4.1K | $0.00 | |
| 2026-03-09 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 82 | $0.00 | |
| 2026-02-10 | SBSI | SOUTHSIDE BANCSHARES INC | F - Tax withholding / forfeiture | 556 | $33.55 | $19K |
| 2026-02-03 | SBSI | SOUTHSIDE BANCSHARES INC | F - Tax withholding / forfeiture | 413 | $33.10 | $14K |
| 2026-02-03 | SBSI | SOUTHSIDE BANCSHARES INC | F - Tax withholding / forfeiture | 747 | $32.19 | $24K |
| 2025-12-05 | SBSI | SOUTHSIDE BANCSHARES INC | G - Bona-fide gift | 455 | $0.00 | |
| 2025-12-05 | SBSI | SOUTHSIDE BANCSHARES INC | G - Bona-fide gift | 5.1K | $0.00 | |
| 2025-09-04 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 149 | $0.00 | |
| 2025-06-05 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 166 | $0.00 | |
| 2024-12-11 | SBSI | SOUTHSIDE BANCSHARES INC | G - Bona-fide gift | 2.7K | $0.00 | |
| 2024-12-10 | SBSI | SOUTHSIDE BANCSHARES INC | A - Grant or award | 113 | $0.00 | |
| 2024-11-07 | SBSI | SOUTHSIDE BANCSHARES INC | G - Bona-fide gift | 2.0K | $0.00 | |
| 2024-11-07 | SBSI | SOUTHSIDE BANCSHARES INC | S - Open-market sale | 3.3K | $36.74 | $121K |
| 2024-11-07 | SBSI | SOUTHSIDE BANCSHARES INC | M - Option exercise | 4.1K | $26.49 | $109K |
Companies - Last 90 Days
- SOUTHSIDE BANCSHARES INC (SBSI) - 2 filings, last 2026-06-03
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Lee R. Gibson has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- John Mitchell Craddock Jr. - $16K of SBSI open-market activity in the last 12 months
- Kirk A. Calhoun - $10K of SBSI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Sang Young Lee
- Sam Levinson
- Paul S. Levy
- Liberty 77 Capital L.P.
- LIBERTY MUTUAL HOLDING CO
- Alfred Lin
- Lincoln Financial Investments Corp
- LINCOLN NATIONAL LIFE INSURANCE CO /IN/
Frequently Asked Questions
Who is Lee R. Gibson?
Lee R. Gibson holds the role of CHIEF EXECUTIVE OFFICER at SOUTHSIDE BANCSHARES INC (SBSI). Gibson has reported 12 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Lee R. Gibson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Lee R. Gibson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($121K) across all tracked filings.
Where can I see all of Lee R. Gibson's SEC filings?
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.
Learn More
Open the live Lee R. Gibson profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.