| Date | Event | What happened / filer | Source |
|---|---|---|---|
| 2026-06-01 | 8-K 8.01 | Other events | sec.gov ↗ |
| 2026-06-01 | 8-K 2.01 | Completion of acquisition or disposition of assets | sec.gov ↗ |
| 2026-05-26 | 8-K 5.07 | Submission of matters to a vote of security holders | sec.gov ↗ |
| 2026-05-08 | 8-K 2.02 | Results of operations and financial condition (earnings)earnings history (EARN) → | sec.gov ↗ |
| 2026-05-08 | 13D/A | Schedule 13D amendment — ≥5% beneficial owner (active intent) · by TELEPHONE & DATA SYSTEMS INC VOTING TRUST 1989 | sec.gov ↗ |
| 2026-05-08 | 8-K 8.01 | Other events | sec.gov ↗ |
| 2026-04-29 | 13G | Schedule 13G filed — ≥5% beneficial owner (passive) · by VANGUARD PORTFOLIO MANAGEMENT LLC | sec.gov ↗ |
| 2026-04-27 | 13G/A | Schedule 13G amendment — ≥5% beneficial owner (passive) · by PICTON MAHONEY ASSET MANAGEMENT | sec.gov ↗ |
| 2026-03-27 | 13G/A | Schedule 13G amendment — ≥5% beneficial owner (passive) · by VANGUARD GROUP INC | sec.gov ↗ |
| 2026-03-24 | 8-K 5.02 | Departure/election of directors or officers; compensation | sec.gov ↗ |
| 2026-03-13 | 8-K 5.02 | Departure/election of directors or officers; compensation | sec.gov ↗ |
| 2026-02-20 | 8-K 2.02 | Results of operations and financial condition (earnings)earnings history (EARN) → | sec.gov ↗ |
| 2026-01-30 | 13G/A | Schedule 13G amendment — ≥5% beneficial owner (passive) · by VANGUARD GROUP INC | sec.gov ↗ |
| 2026-01-13 | 8-K 8.01 | Other events | sec.gov ↗ |
| 2026-01-13 | 8-K 2.01 | Completion of acquisition or disposition of assets | sec.gov ↗ |
| 2025-12-12 | 8-K 1.01 | Entry into a material definitive agreement | sec.gov ↗ |
| 2025-11-07 | 8-K 2.02 | Results of operations and financial condition (earnings)earnings history (EARN) → | sec.gov ↗ |
| 2025-10-15 | 13G/A | Schedule 13G amendment — ≥5% beneficial owner (passive) · by PICTON MAHONEY ASSET MANAGEMENT | sec.gov ↗ |
| 2025-08-22 | 8-K 1.02 | Termination of a material definitive agreement | sec.gov ↗ |
| 2025-08-18 | 13G/A | Schedule 13G amendment — ≥5% beneficial owner (passive) · by PICTON MAHONEY ASSET MANAGEMENT | sec.gov ↗ |
| 2025-08-11 | 8-K 2.02 | Results of operations and financial condition (earnings)earnings history (EARN) → | sec.gov ↗ |
| 2025-08-06 | 13G | Schedule 13G filed — ≥5% beneficial owner (passive) · by PICTON MAHONEY ASSET MANAGEMENT | sec.gov ↗ |
| 2025-08-05 | 13D/A | Schedule 13D amendment — ≥5% beneficial owner (active intent) · by TELEPHONE & DATA SYSTEMS INC VOTING TRUST 1989 | sec.gov ↗ |
| 2025-08-04 | 8-K 8.01 | Other events | sec.gov ↗ |
| 2025-08-04 | 8-K 7.01 | Regulation FD disclosure | sec.gov ↗ |
| 2025-08-04 | 8-K 3.03 | Material modification to rights of security holders | sec.gov ↗ |
| 2025-08-04 | 8-K 2.01 | Completion of acquisition or disposition of assets | sec.gov ↗ |
| 2025-08-04 | 8-K 1.02 | Termination of a material definitive agreement | sec.gov ↗ |
| 2025-08-04 | 8-K 1.01 | Entry into a material definitive agreement | sec.gov ↗ |
8-K item codes from the filing header; 13D/G subject and filer verified against the filing index page.
