Company filings profile · CIK 0001637880
Tri-State Generation & Transmission Association, Inc. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Tri-State Generation & Transmission Association, Inc.: 4 filings in the last 90 days vs 6 in the prior 90 (filing-velocity cooling ↓ · 0.67×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 24, 2026. Source-linked, daily-refreshed.
Material 8-K events — Tri-State Generation & Transmission Association, Inc.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 23, 2026 | Departure/Election of Directors or Officers | ↗ |
| Sep 15, 2026 | Departure/Election of Directors or Officers | ↗ |
| May 28, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 18, 2026 | Departure/Election of Directors or Officers | ↗ |
| Apr 29, 2026 | Departure/Election of Directors or Officers | ↗ |
| Apr 21, 2026 | Entry into a Material Agreement; Termination of a Material Agreement; Material Direct Financial Obligation; Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 30, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 20, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Feb 3, 2026 | Departure/Election of Directors or Officers | ↗ |
| Jan 15, 2026 | Triggering Event on a Financial Obligation; Departure/Election of Directors or Officers | ↗ |
| Nov 26, 2025 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Sep 23, 2025 | Entry into a Material Agreement; Termination of a Material Agreement; Financial Statements and Exhibits | ↗ |
| Sep 2, 2025 | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 18, 2025 | Departure/Election of Directors or Officers | ↗ |
| Jul 3, 2025 | Departure/Election of Directors or Officers | ↗ |
Watch Tri-State Generation & Transmission Association, Inc. automatically
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Insider transactions (Form 4 / 3 / 5)
| Filed | Form | |
|---|---|---|
| No insider filings in the current window. | ||
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 23, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Sep 15, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Sep 10, 2026 | SD | SD | ↗ |
| Aug 7, 2026 | 10-Q | 10-Q | ↗ |
| May 28, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 18, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| May 8, 2026 | 10-Q | 10-Q | ↗ |
| Apr 29, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Apr 21, 2026 | 8-K | Entry into a Material Agreement; Termination of a Material Agreement; Material Direct Financial Obligation; Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Mar 30, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 20, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 6, 2026 | 10-K | 10-K | ↗ |
| Feb 3, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jan 15, 2026 | 8-K | Triggering Event on a Financial Obligation; Departure/Election of Directors or Officers | ↗ |
| Nov 26, 2025 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Nov 7, 2025 | 10-Q | 10-Q | ↗ |
| Sep 23, 2025 | 8-K | Entry into a Material Agreement; Termination of a Material Agreement; Financial Statements and Exhibits | ↗ |
| Sep 9, 2025 | SD | SD | ↗ |
| Sep 2, 2025 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 8, 2025 | 10-Q | 10-Q | ↗ |
| Jul 18, 2025 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jul 3, 2025 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jun 12, 2025 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 6, 2025 | 8-K | Entry into a Material Agreement; Termination of a Material Agreement | ↗ |
| Jun 3, 2025 | 8-K | Departure/Election of Directors or Officers | ↗ |
| May 9, 2025 | 10-Q | 10-Q | ↗ |
| Apr 4, 2025 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 19, 2025 | 10-K | 10-K | ↗ |
| Jan 23, 2025 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jan 3, 2025 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Dec 19, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Nov 8, 2024 | 10-Q | 10-Q | ↗ |
| Oct 15, 2024 | 8-K | Entry into a Material Agreement; Termination of a Material Agreement; Financial Statements and Exhibits | ↗ |
| Sep 23, 2024 | SD | SD | ↗ |
| Sep 4, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Aug 8, 2024 | 10-Q | 10-Q | ↗ |
| Jul 17, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jun 14, 2024 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 9, 2024 | 10-Q | 10-Q | ↗ |
| May 7, 2024 | 8-K | Departure/Election of Directors or Officers | ↗ |