AmpliTech Group, Inc. (AMPG) — large price moves

Information Technology · NASDAQ

Single sessions where AMPG 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 20 moves listed, 6 have at least one filed event in the 5 days ending at the session, and 14 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.

Showing the 20 most recent of 29 qualifying sessions.

Moves

2026-10-20 +12.3% $2.36 to $2.65 filed events in the 5 days to 2026-10-20

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.
2026-08-28 -10.2% $3.74 to $3.36 filed events in the 5 days to 2026-08-28

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.
2026-08-14 -33.3% $5.99 to $4.00 filed events in the 5 days to 2026-08-14
- 2026-08-13 Earnings Quarterly results reportedquarter ended 2026-06-30 · reported EPS USD -0.12 against an estimate of USD -0.02 · surprise -500.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-08-13 Periodic filing 10-Q filedaccession 0001493152-26-037751Source: SEC EDGAR
- 2026-08-13 Material event 8-K filed (material event)accession 0001493152-26-037776Source: SEC EDGAR
- 2026-08-13 Filing language risk_factors changed in the 10-Qsection risk_factors · accession 0001493152-26-037751Source: SEC EDGAR (section comparison against the prior filing)
- 2026-08-13 Filing language mdna changed in the 10-Qsection mdna · accession 0001493152-26-037751Source: SEC EDGAR (section comparison against the prior filing)
2026-08-04 +15.7% $4.78 to $5.53 filed events in the 5 days to 2026-08-04

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.
2026-07-24 -14.8% $6.34 to $5.41 filed events in the 5 days to 2026-07-24

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.
2026-07-14 +10.4% $6.37 to $7.03 filed events in the 5 days to 2026-07-14

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.
2026-07-02 -15.6% $7.10 to $5.99 filed events in the 5 days to 2026-07-02

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.
2026-06-17 +10.5% $8.78 to $9.70 filed events in the 5 days to 2026-06-17

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.
2026-06-16 +17.1% $7.50 to $8.78 filed events in the 5 days to 2026-06-16

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.
2026-06-15 -11.7% $8.49 to $7.50 filed events in the 5 days to 2026-06-15

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 +14.1% $7.60 to $8.67 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.
2026-06-10 +11.1% $6.84 to $7.60 filed events in the 5 days to 2026-06-10

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.
2026-06-08 +26.8% $5.18 to $6.57 filed events in the 5 days to 2026-06-08

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.
2026-06-05 -11.9% $5.88 to $5.18 filed events in the 5 days to 2026-06-05
- 2026-06-01 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $160,863Source: SEC Form 4
2026-06-04 +10.3% $5.33 to $5.88 filed events in the 5 days to 2026-06-04
- 2026-06-01 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $160,863Source: SEC Form 4
2026-06-01 +16.5% $4.42 to $5.15 filed events in the 5 days to 2026-06-01
- 2026-05-28 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $240,140Source: SEC Form 4
- 2026-06-01 Insider trade Open-market sale reported by an insider1 transaction · 1 insider · $160,863Source: SEC Form 4
2026-05-21 +19.4% $4.43 to $5.29 filed events in the 5 days to 2026-05-21

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.
2026-05-20 +11.0% $3.99 to $4.43 filed events in the 5 days to 2026-05-20

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.
2026-05-18 +25.4% $2.95 to $3.70 filed events in the 5 days to 2026-05-18
- 2026-05-13 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.06 against an estimate of USD -0.05 · surprise -20.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-13 Periodic filing 10-Q filedaccession 0001493152-26-022715Source: SEC EDGAR
- 2026-05-13 Material event 8-K filed (material event)accession 0001493152-26-022731Source: SEC EDGAR
- 2026-05-13 Filing language mdna changed in the 10-Qsection mdna · accession 0001493152-26-022715Source: SEC EDGAR (section comparison against the prior filing)
2026-05-14 +15.7% $2.48 to $2.87 filed events in the 5 days to 2026-05-14
- 2026-05-13 Earnings Quarterly results reportedquarter ended 2026-03-31 · reported EPS USD -0.06 against an estimate of USD -0.05 · surprise -20.0%Source: SEC filing calendar + Yahoo earnings history
- 2026-05-13 Periodic filing 10-Q filedaccession 0001493152-26-022715Source: SEC EDGAR
- 2026-05-13 Material event 8-K filed (material event)accession 0001493152-26-022731Source: SEC EDGAR
- 2026-05-13 Filing language mdna changed in the 10-Qsection mdna · accession 0001493152-26-022715Source: SEC EDGAR (section comparison against the prior filing)

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.

Ask the chat about AMPG's filings →

See the full company profile: AmpliTech Group, Inc. (AMPG).

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