The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 1, 2026 | Duplantier Jon-Al | Director | Disposed to issuer(D) | 11K | — | $0 |
| Jul 1, 2026 | Bellows Laura D. | Director | Disposed to issuer(D) | 2K | — | $0 |
| Jul 1, 2026 | Egge Paul P | Senior Executive VP, CFO | Disposed to issuer(D) | 69K | — | $0 |
| Jul 1, 2026 | Akin Okan I. | Senior Executive VP, CRO | Disposed to issuer(D) | 86K | — | $0 |
| Jul 1, 2026 | Beckworth John | Director | Disposed to issuer(D) | 106K | — | $0 |
| Jul 1, 2026 | Beckworth John | Director | Disposed to issuer(D) | 95K | — | $0 |
| Jul 1, 2026 | Long Justin M | SEVP, GC & Secretary | Disposed to issuer(D) | 53K | — | $0 |
| Jul 1, 2026 | Dopjera Cynthia A | Director | Disposed to issuer(D) | 11K | — | $0 |
| Jul 1, 2026 | Dopjera Cynthia A | Director | Disposed to issuer(D) | 538 | — | $0 |
| Jul 1, 2026 | Franklin Robert R Jr | Chief Executive Officer, Director | Disposed to issuer(D) | 419K | — | $0 |
| Jul 1, 2026 | Jeter Frances H. | Director | Disposed to issuer(D) | 29K | — | $0 |
| Jul 1, 2026 | Penland Joe Sr | Director | Disposed to issuer(D) | 585K | — | $0 |
| Jul 1, 2026 | Penland Joe Sr | Director | Disposed to issuer(D) | 4K | — | $0 |
| Jul 1, 2026 | Penland Joe Sr | Director | Disposed to issuer(D) | 227K | — | $0 |
| Jul 1, 2026 | Penland Joe Sr | Director | Disposed to issuer(D) | 725K | — | $0 |
| Jul 1, 2026 | Reaud Reagan A | Director | Disposed to issuer(D) | 13K | — | $0 |
| Jul 1, 2026 | Reaud Reagan A | Director | Disposed to issuer(D) | 500 | — | $0 |
| Jul 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Disposed to issuer(D) | 136K | — | $0 |
| Jul 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Disposed to issuer(D) | 26K | — | $0 |
| Jul 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Disposed to issuer(D) | 378K | — | $0 |
| Jul 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Disposed to issuer(D) | 13K | — | $0 |
| Jul 1, 2026 | Robertson Fred S. | Director | Disposed to issuer(D) | 18K | — | $0 |
| Jul 1, 2026 | Robertson Fred S. | Director | Disposed to issuer(D) | 82K | — | $0 |
| Jul 1, 2026 | Sirkel Jason D. | Chief Banking Officer | Disposed to issuer(D) | 66K | — | $0 |
| Jul 1, 2026 | Vitulli, III Ramon A. | President | Disposed to issuer(D) | 120K | — | $0 |
| Jul 1, 2026 | Tombar Tymothi O. | Director | Disposed to issuer(D) | 5K | — | $0 |
| Jul 1, 2026 | Williams John E Jr | Director | Disposed to issuer(D) | 1.3M | — | $0 |
| Jul 1, 2026 | Williams John E Jr | Director | Disposed to issuer(D) | 500 | — | $0 |
| Jul 1, 2026 | West Joe F | Senior Executive VP, CCO | Disposed to issuer(D) | 102K | — | $0 |
| Jul 1, 2026 | Swinbank Joe B | Director | Disposed to issuer(D) | 171K | — | $0 |
| Jul 1, 2026 | Swinbank Joe B | Director | Disposed to issuer(D) | 61K | — | $0 |
| Jul 1, 2026 | Swinbank Joe B | Director | Disposed to issuer(D) | 102K | — | $0 |
| Jun 17, 2026 | Sirkel Jason D. | Chief Banking Officer | Option exercise(M) | 30K | $21.00 | $630K |
| Jun 17, 2026 | Sirkel Jason D. | Chief Banking Officer | Option exercise(M) | 30K | — | $0 |
| May 6, 2026 | Robertson Fred S. | Director | Gift(G) | 2K | — | $0 |
| May 6, 2026 | Robertson Fred S. | Director | Gift(G) | 2K | — | $0 |
| Mar 15, 2026 | Retzloff Steven F. | Executive Chairman, Director | Tax withholding(F) | 1K | $35.51 | $42K |
| Mar 15, 2026 | Vitulli, III Ramon A. | President | Tax withholding(F) | 1K | $35.51 | $47K |
| Mar 15, 2026 | Egge Paul P | Senior Executive VP, CFO | Tax withholding(F) | 993 | $35.51 | $35K |
| Mar 15, 2026 | Franklin Robert R Jr | Chief Executive Officer, Director | Tax withholding(F) | 4K | $35.51 | $136K |
| Mar 15, 2026 | West Joe F | Senior Executive VP, CCO | Tax withholding(F) | 676 | $35.51 | $24K |
| Mar 15, 2026 | Akin Okan I. | Senior Executive VP, CRO | Tax withholding(F) | 618 | $35.51 | $22K |
| Mar 15, 2026 | Long Justin M | SEVP, GC & Secretary | Tax withholding(F) | 796 | $35.51 | $28K |
| Mar 15, 2026 | Sirkel Jason D. | Chief Banking Officer | Tax withholding(F) | 444 | $35.51 | $16K |
| Mar 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Tax withholding(F) | 665 | $37.66 | $25K |
| Mar 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Grant(A) | 5K | — | $0 |
| Mar 1, 2026 | Retzloff Steven F. | Executive Chairman, Director | Grant(A) | 8K | — | $0 |
| Mar 1, 2026 | Vitulli, III Ramon A. | President | Tax withholding(F) | 735 | $37.66 | $28K |
| Mar 1, 2026 | Vitulli, III Ramon A. | President | Grant(A) | 6K | — | $0 |
| Mar 1, 2026 | Vitulli, III Ramon A. | President | Grant(A) | 6K | — | $0 |
| Mar 1, 2026 | Egge Paul P | Senior Executive VP, CFO | Tax withholding(F) | 584 | $37.66 | $22K |
| Mar 1, 2026 | Egge Paul P | Senior Executive VP, CFO | Grant(A) | 5K | — | $0 |
| Mar 1, 2026 | Egge Paul P | Senior Executive VP, CFO | Grant(A) | 5K | — | $0 |
| Mar 1, 2026 | Franklin Robert R Jr | Chief Executive Officer, Director | Tax withholding(F) | 1K | $37.66 | $45K |
| Mar 1, 2026 | Franklin Robert R Jr | Chief Executive Officer, Director | Grant(A) | 11K | — | $0 |
| Mar 1, 2026 | Franklin Robert R Jr | Chief Executive Officer, Director | Grant(A) | 17K | — | $0 |
| Mar 1, 2026 | West Joe F | Senior Executive VP, CCO | Tax withholding(F) | 412 | $37.66 | $16K |
| Mar 1, 2026 | West Joe F | Senior Executive VP, CCO | Grant(A) | 3K | — | $0 |
| Mar 1, 2026 | West Joe F | Senior Executive VP, CCO | Grant(A) | 3K | — | $0 |
| Mar 1, 2026 | Akin Okan I. | Senior Executive VP, CRO | Tax withholding(F) | 365 | $37.66 | $14K |
| Mar 1, 2026 | Akin Okan I. | Senior Executive VP, CRO | Grant(A) | 3K | — | $0 |
| Mar 1, 2026 | Akin Okan I. | Senior Executive VP, CRO | Grant(A) | 3K | — | $0 |
| Mar 1, 2026 | Long Justin M | SEVP, GC & Secretary | Tax withholding(F) | 452 | $37.66 | $17K |
| Mar 1, 2026 | Long Justin M | SEVP, GC & Secretary | Grant(A) | 4K | — | $0 |
| Mar 1, 2026 | Long Justin M | SEVP, GC & Secretary | Grant(A) | 4K | — | $0 |
| Mar 1, 2026 | Sirkel Jason D. | Chief Banking Officer | Tax withholding(F) | 263 | $37.66 | $10K |
| Mar 1, 2026 | Sirkel Jason D. | Chief Banking Officer | Grant(A) | 2K | — | $0 |
| Mar 1, 2026 | Sirkel Jason D. | Chief Banking Officer | Grant(A) | 2K | — | $0 |
| Dec 31, 2025 | Retzloff Steven F. | Executive Chairman, Director | Tax withholding(F) | 1K | $30.94 | $41K |
| Dec 31, 2025 | Vitulli, III Ramon A. | President | Tax withholding(F) | 595 | $30.94 | $18K |
| Dec 31, 2025 | Egge Paul P | Senior Executive VP, CFO | Tax withholding(F) | 446 | $30.94 | $14K |
| Dec 31, 2025 | Franklin Robert R Jr | Chief Executive Officer, Director | Tax withholding(F) | 3K | $30.94 | $81K |
| Dec 31, 2025 | West Joe F | Senior Executive VP, CCO | Tax withholding(F) | 315 | $30.94 | $10K |
| Dec 31, 2025 | Akin Okan I. | Senior Executive VP, CRO | Tax withholding(F) | 276 | $30.94 | $9K |
| Dec 31, 2025 | Long Justin M | SEVP, GC & Secretary | Tax withholding(F) | 374 | $30.94 | $12K |
| Dec 9, 2025 | Jeter Frances H. | Director | Gift(G) | 155 | — | $0 |
| Dec 9, 2025 | Jeter Frances H. | Director | Gift(G) | 315 | — | $0 |
| Dec 9, 2025 | Jeter Frances H. | Director | Gift(G) | 630 | — | $0 |
| Oct 1, 2025 | Retzloff Steven F. | Executive Chairman, Director | Tax withholding(F) | 982 | $30.00 | $29K |
| Oct 1, 2025 | Retzloff Steven F. | Executive Chairman, Director | Disposed to issuer(D) | 6K | — | $0 |
| Oct 1, 2025 | Vitulli, III Ramon A. | President | Tax withholding(F) | 2K | $30.00 | $54K |
| Oct 1, 2025 | Egge Paul P | Senior Executive VP, CFO | Tax withholding(F) | 2K | $30.00 | $45K |
| Oct 1, 2025 | Franklin Robert R Jr | Chief Executive Officer, Director | Disposed to issuer(D) | 11K | — | $0 |
| Oct 1, 2025 | Franklin Robert R Jr | Chief Executive Officer, Director | Tax withholding(F) | 2K | $30.00 | $52K |
| Oct 1, 2025 | West Joe F | Senior Executive VP, CCO | Tax withholding(F) | 1K | $30.00 | $31K |
| Oct 1, 2025 | Akin Okan I. | Senior Executive VP, CRO | Tax withholding(F) | 1K | $30.00 | $44K |
| Oct 1, 2025 | Long Justin M | SEVP, GC & Secretary | Tax withholding(F) | 1K | $30.00 | $42K |
| Aug 27, 2025 | Jeter Frances H. | Director | Gift(G) | 80 | — | $0 |
| Jun 13, 2025 | Long Justin M | SEVP, GC & Secretary | Other(J) | 181 | — | $0 |
| Jun 6, 2025 | Penland Joe Sr | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Tombar Tymothi O. | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Duplantier Jon-Al | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Beckworth John | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Jeter Frances H. | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Robertson Fred S. | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Williams John E Jr | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Wilson William E Jr | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Swinbank Joe B | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Reaud Reagan A | Director | Grant(A) | 2K | — | $0 |
| Jun 6, 2025 | Dopjera Cynthia A | Director | Grant(A) | 2K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2013-04-01 → 2026-08-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for STEL