ALECTOR INC (ALEC) — large price moves

Health Care · NASDAQ

Single sessions where ALEC closed 10% or more away from the previous close, between 2025-10-08 and 2026-10-08. Each one lists the events filed in the 5 days ending at that session, in date order.

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Of the 11 moves listed, 4 have at least one filed event in the 5 days ending at the session, and 7 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

2026-09-02 +13.3% $2.40 to $2.72 filed events in the 5 days to 2026-09-02
- 2026-09-02 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $1,804Source: SEC Form 4
2026-08-11 +23.7% $1.69 to $2.09 filed events in the 5 days to 2026-08-11
- 2026-08-06 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.21 against an estimate of USD -0.23 · surprise +8.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-08-06 Periodic filing 10-Q filedaccession 0001193125-26-338052Source: SEC EDGAR
- 2026-08-06 Material event 8-K filed (material event)accession 0001193125-26-338008Source: SEC EDGAR
- 2026-08-06 Filing language mdna changed in the 10-Qsection mdna · accession 0001193125-26-338052Source: SEC EDGAR (section comparison against the prior filing)
2026-08-06 +22.8% $1.49 to $1.83 filed events in the 5 days to 2026-08-06
- 2026-08-06 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.21 against an estimate of USD -0.23 · surprise +8.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-08-06 Periodic filing 10-Q filedaccession 0001193125-26-338052Source: SEC EDGAR
- 2026-08-06 Material event 8-K filed (material event)accession 0001193125-26-338008Source: SEC EDGAR
- 2026-08-06 Filing language mdna changed in the 10-Qsection mdna · accession 0001193125-26-338052Source: SEC EDGAR (section comparison against the prior filing)
2026-07-09 -10.7% $1.83 to $1.64 filed events in the 5 days to 2026-07-09

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.
2026-06-29 +11.8% $1.86 to $2.08 filed events in the 5 days to 2026-06-29

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.
2026-06-18 +12.2% $1.56 to $1.75 filed events in the 5 days to 2026-06-18

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.
2026-05-08 -13.9% $2.44 to $2.10 filed events in the 5 days to 2026-05-08
- 2026-05-07 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.21 against an estimate of USD -0.28 · surprise +24.2%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-07 Periodic filing 10-Q filedaccession 0001193125-26-211981Source: SEC EDGAR
- 2026-05-07 Material event 8-K filed (material event)accession 0001193125-26-211918Source: SEC EDGAR
- 2026-05-07 Filing language mdna changed in the 10-Qsection mdna · accession 0001193125-26-211981Source: SEC EDGAR (section comparison against the prior filing)
2026-04-01 +17.7% $2.15 to $2.53 filed events in the 5 days to 2026-04-01

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.
2025-12-11 +12.3% $1.30 to $1.46 filed events in the 5 days to 2025-12-11

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.
2025-11-13 -10.4% $1.34 to $1.20 filed events in the 5 days to 2025-11-13

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.
2025-10-22 -49.8% $3.21 to $1.61 filed events in the 5 days to 2025-10-22

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.

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: ALECTOR INC (ALEC).

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