ADTRAN HOLDINGS INC (ADTN) — large price moves

Information Technology · NASDAQ

Single sessions where ADTN closed 10% or more away from the previous close, between 2025-10-20 and 2026-10-20. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 6 moves listed, 3 have at least one filed event in the 5 days ending at the session, and 3 have none. Across the catalog most large moves have nothing filed near them, so an empty list is an ordinary result and not a gap.

Moves

2026-07-22 -13.9% $12.14 to $10.45 filed events in the 5 days to 2026-07-22
- 2026-07-22 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD 0.04 against an estimate of USD 0.04 · surprise +14.3%Source: SEC filing calendar + Yahoo earnings history
- 2026-07-22 Material event 8-K filed (material event)accession 0001193125-26-311290Source: SEC EDGAR
2026-06-05 -11.1% $17.27 to $15.35 filed events in the 5 days to 2026-06-05

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-05-28 -12.8% $19.40 to $16.92 filed events in the 5 days to 2026-05-28

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-05-27 +17.6% $16.49 to $19.40 filed events in the 5 days to 2026-05-27

No filed event was recorded for this company in the 5 days ending on this session. That is what our sources hold, not a statement about what happened.
2026-05-05 -16.6% $18.34 to $15.30 filed events in the 5 days to 2026-05-05
- 2026-05-05 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD 0.14 against an estimate of USD 0.09 · surprise +50.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-05 Periodic filing 10-Q filedaccession 0001193125-26-205276Source: SEC EDGAR
- 2026-05-05 Material event 8-K filed (material event)accession 0001193125-26-204995Source: SEC EDGAR
- 2026-05-05 Filing language mdna changed in the 10-Qsection mdna · accession 0001193125-26-205276Source: SEC EDGAR (section comparison against the prior filing)
2025-11-04 -24.2% $10.43 to $7.91 filed events in the 5 days to 2025-11-04
- 2025-11-04 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD 0.05 against an estimate of USD 0.06 · surprise -19.4%Source: SEC filing calendar + Yahoo earnings history
- 2025-11-04 Periodic filing 10-Q filedaccession 0001193125-25-264157Source: SEC EDGAR

These are events filed near a session, listed by date. They are not ranked, and no connection between an event and a price move is stated or implied.

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See the full company profile: ADTRAN HOLDINGS INC (ADTN).

Informational only — NOT financial advice. Price moves are computed from stored daily closes; filed events come from their own sources with their own dates.