COGENT COMMUNICATIONS HOLDINGS INC (CCOI) — large price moves

Communication Services · NASDAQ

Single sessions where CCOI closed 10% or more away from the previous close, between 2025-10-09 and 2026-10-09. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 15 moves listed, 7 have at least one filed event in the 5 days ending at the session, and 8 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

2026-10-09 -10.7% $9.56 to $8.54 filed events in the 5 days to 2026-10-09

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.
2026-09-23 -12.7% $9.31 to $8.13 filed events in the 5 days to 2026-09-23

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.
2026-09-02 +13.4% $9.01 to $10.22 filed events in the 5 days to 2026-09-02
- 2026-09-02 Analyst consensus Consensus price target moved downconsensus target $21.27 to $15.27 · between snapshots 2026-08-03 and 2026-09-02 · 11 analystsSource: Analyst consensus snapshots
- 2026-09-02 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $45,445Source: SEC Form 4
2026-08-06 -15.2% $12.87 to $10.91 filed events in the 5 days to 2026-08-06
- 2026-08-06 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.45 against an estimate of USD -0.95 · surprise +52.6%Source: SEC filing calendar + Yahoo earnings history
- 2026-08-06 Periodic filing 10-Q filedaccession 0001104659-26-091790Source: SEC EDGAR
- 2026-08-06 Material event 8-K filed (material event)accession 0001104659-26-091634Source: SEC EDGAR
- 2026-08-06 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001104659-26-091790Source: SEC EDGAR (section comparison against the prior filing)
2026-07-20 +13.0% $10.97 to $12.40 filed events in the 5 days to 2026-07-20

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.
2026-06-11 -11.0% $16.78 to $14.94 filed events in the 5 days to 2026-06-11

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.
2026-05-29 -10.4% $19.82 to $17.76 filed events in the 5 days to 2026-05-29
- 2026-05-28 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $57,008Source: SEC Form 4
2026-05-05 +10.3% $16.37 to $18.06 filed events in the 5 days to 2026-05-05
- 2026-05-04 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.47 against an estimate of USD -0.98 · surprise +52.1%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-04 Periodic filing 10-Q filedaccession 0001104659-26-054611Source: SEC EDGAR
- 2026-05-04 Material event 8-K filed (material event)accession 0001104659-26-054436Source: SEC EDGAR
2026-05-04 -29.3% $23.16 to $16.37 filed events in the 5 days to 2026-05-04
- 2026-05-04 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.47 against an estimate of USD -0.98 · surprise +52.1%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-04 Periodic filing 10-Q filedaccession 0001104659-26-054611Source: SEC EDGAR
- 2026-05-04 Material event 8-K filed (material event)accession 0001104659-26-054436Source: SEC EDGAR
2026-03-02 +18.3% $18.76 to $22.19 filed events in the 5 days to 2026-03-02

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.
2026-02-20 -29.4% $26.31 to $18.59 filed events in the 5 days to 2026-02-20
- 2026-02-20 Earnings Quarterly results reportedquarter ended 2025-12-31 · reported EPS USD -0.31 against an estimate of USD -1.07 · surprise +71.5%Source: SEC filing calendar + Yahoo earnings history
- 2026-02-20 Periodic filing 10-K filedaccession 0001104659-26-017968Source: SEC EDGAR
- 2026-02-20 Material event 8-K filed (material event)accession 0001104659-26-017862Source: SEC EDGAR
2025-12-10 +11.1% $21.44 to $23.82 filed events in the 5 days to 2025-12-10

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.
2025-11-19 -14.3% $19.81 to $16.98 filed events in the 5 days to 2025-11-19

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.
2025-11-12 -10.3% $20.62 to $18.49 filed events in the 5 days to 2025-11-12

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.
2025-11-06 -34.9% $38.30 to $24.95 filed events in the 5 days to 2025-11-06
- 2025-11-06 Earnings Quarterly results reportedquarter ended 2025-09-30 · reported EPS USD -0.87 against an estimate of USD -1.22 · surprise +28.7%Source: SEC filing calendar + Yahoo earnings history
- 2025-11-06 Periodic filing 10-Q filedaccession 0001104659-25-107544Source: 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: COGENT COMMUNICATIONS HOLDINGS INC (CCOI).

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