Imperial Petroleum Inc. - Common Shares (IMPP)
IMPP moved a median of +0.63% 30 minutes after news, and +0.88% by the close. How IMPP actually reacts to news — the realized, point-in-time move the market made, measured across 120 labeled events over the last three years with zero look-ahead.
IMPP’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 47% | 119 |
| 30-min | +0.63% | 56% | 119 |
| 60-min | +0.22% | 56% | 119 |
| to close | +0.88% | 63% | 120 |
| Middle 50% of IMPP reactions | -1.00% to +1.30% |
|---|---|
| Median reaction (30-min) | +0.63% |
| Measured reactions | 120 |
Half of all Imperial Petroleum Inc. - Common Shares news events land between -1.00% and +1.30% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
Email me when IMPP moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to IMPP's baseline. Nothing else.
Recent IMPP events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Imperial Petroleum Announces Management Estimate of Net Asset Value Per Share and Fleet Update | Press release | GlobeNewswire | +2.89% | +1.03% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | -0.84% | -0.17% | |
| Imperial Petroleum Inc. Reports Second Quarter and Six Months 2026 Financial and Operating Results | Press release | GlobeNewswire | +1.71% | +6.36% | |
| Imperial Petroleum Inc. Announces the Date for the Release of the Second Quarter and Six Months 2026 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | +0.76% | +0.38% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +1.45% | +0.76% | |
| IMPERIAL PETROLEUM INC. Reports Q1 26 results, SECOND BEST QUARTERLY results in its history | Press release | GlobeNewswire | -1.02% | +5.38% | |
| Imperial Petroleum Inc. Announces the Date for the Release of the First Qurarter 2026 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | -1.96% | -2.94% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | -5.70% | +5.92% | |
| Form 6-K Imperial Petroleum Inc./ For: Mar 06 | SEC filing · Form 6-K | SEC EDGAR | +4.99% | +7.60% | |
| Imperial Petroleum Inc. Reports Fourth Quarter and Twelve Months 2025 Financial and Operating Results | Press release | GlobeNewswire | +4.99% | +7.60% | |
| Imperial Petroleum Inc. Announces the Date for the Release of the Fourth Quarter and Twelve Months 2025 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | +1.52% | -4.35% | |
| Form 6-K Imperial Petroleum Inc./ For: Feb 09 | SEC filing · Form 6-K | SEC EDGAR | +4.26% | +4.54% | |
| Imperial Petroleum Announces $10 Million Share Repurchase Program | Press release | GlobeNewswire | +4.26% | +4.54% | |
| Imperial Petroleum Announces Management Estimate of Net Asset Value Per Share | Press release | GlobeNewswire | +0.00% | +0.52% | |
| Form 6-K Imperial Petroleum Inc./ For: Dec 19 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | +0.52% | |
| Form 6-K Imperial Petroleum Inc./ For: Dec 12 | SEC filing · Form 6-K | SEC EDGAR | -2.61% | -2.61% | |
| Imperial Petroleum Inc. Reports Third Quarter and Nine Months 2025 Financial and Operating Results | Press release | GlobeNewswire | -2.96% | -3.18% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +0.00% | +3.00% | |
| Imperial Petroleum Inc. Announces the Date For the Release of Third Quarter and Nine Months 2025 Financial And Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | -0.55% | -0.22% | |
| Form 6-K Imperial Petroleum Inc./ For: Dec 01 | SEC filing · Form 6-K | SEC EDGAR | -4.05% | -2.35% | |
| Imperial Petroleum Inc. Announces Pricing of $60.0 Million Registered Direct Offering | Press release | GlobeNewswire | -6.91% | -13.63% | |
| Form 6-K Imperial Petroleum Inc./ For: Jun 30 | SEC filing · Form 6-K | SEC EDGAR | +0.85% | +2.14% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +0.24% | +9.56% | |
| Form 6-K Imperial Petroleum Inc./ For: Sep 05 | SEC filing · Form 6-K | SEC EDGAR | +0.14% | +6.80% | |
| Imperial Petroleum Inc. Reports Second Quarter and Six Months 2025 Financial and Operating Results | Press release | GlobeNewswire | -1.13% | -3.29% | |
| Form 6-K Imperial Petroleum Inc./ For: Aug 29 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | +0.88% | |
| Imperial Petroleum Inc. Announces the Date for the Release of Second Quarter and Six Months 2025 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | +0.00% | +0.88% | |
| Form 6-K Imperial Petroleum Inc./ For: Aug 08 | SEC filing · Form 6-K | SEC EDGAR | +0.66% | -0.99% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +0.00% | +2.72% | |
| Form 6-K Imperial Petroleum Inc./ For: May 23 | SEC filing · Form 6-K | SEC EDGAR | +0.71% | +1.43% | |
| Imperial Petroleum Inc. Reports First Quarter 2025 Financial and Operating Results | Press release | GlobeNewswire | +0.00% | +8.59% | |
| Imperial Petroleum Inc. Announces the Date for the Release of First Quarter 2025 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | -0.79% | +0.40% | |
| Form 20-F Imperial Petroleum Inc./ For: Dec 31 | SEC filing · Form 20-F | SEC EDGAR | -1.38% | +0.39% | |
| Imperial Petroleum Inc. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | -0.04% | +4.42% | |
| Form 6-K Imperial Petroleum Inc./ For: Feb 21 | SEC filing · Form 6-K | SEC EDGAR | -1.26% | -6.14% | |
| Imperial Petroleum Inc. Reports Fourth Quarter and Twelve Months 2024 Financial and Operating Results | Press release | GlobeNewswire | -3.29% | +4.41% | |
| Imperial Petroleum Inc. Announces the Date for the Release of Fourth Quarter and Twelve Months 2024 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | -0.17% | +1.03% | |
| IMPERIAL PETROLEUM INC. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | -1.70% | -1.36% | |
| Form 6-K Imperial Petroleum Inc./ For: Dec 03 | SEC filing · Form 6-K | SEC EDGAR | -0.33% | -1.00% | |
| IMPERIAL PETROLEUM INC. Reports Third Quarter and Nine Months 2024 Financial and Operating Results | Press release | GlobeNewswire | -2.52% | -4.72% | |
| Imperial Petroleum Inc. Announces the Date for the Release of Third Quarter and Nine Months 2024 Financial and Operating Results, Conference Call and Webcast | Press release | GlobeNewswire | +1.24% | -0.62% | |
| Form 6-K Imperial Petroleum Inc./ For: Jun 30 | SEC filing · Form 6-K | SEC EDGAR | -0.48% | +1.45% | |
| Form 6-K Imperial Petroleum Inc./ For: Sep 20 | SEC filing · Form 6-K | SEC EDGAR | -1.25% | -2.75% | |
| IMPERIAL PETROLEUM INC. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +0.00% | -4.24% | |
| Form 6-K Imperial Petroleum Inc./ For: Aug 30 | SEC filing · Form 6-K | SEC EDGAR | +0.74% | -2.04% | |
| Form 6-K Imperial Petroleum Inc./ For: Aug 28 | SEC filing · Form 6-K | SEC EDGAR | +0.27% | +5.67% | |
| Imperial Petroleum Inc. Reports Second Quarter and Six Months 2024 Financial and Operating Results | Press release | GlobeNewswire | +1.46% | +0.73% | |
| Imperial Petroleum Inc. Announces the Date for the Release of Second Quarter and Six Months 2024 | Press release | GlobeNewswire | +0.40% | +3.43% | |
| IMPERIAL PETROLEUM INC. Declares Dividend on Series A Preferred Shares | Press release | GlobeNewswire | +0.27% | +1.91% | |
| Form 6-K Imperial Petroleum Inc./ For: May 24 | SEC filing · Form 6-K | SEC EDGAR | +1.86% | +1.63% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the IMPP section they belong to.
Where else IMPP is measured.
IMPP earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Imperial Petroleum Inc. - Common Shares's median reaction calculated?
Every labeled IMPP news event is measured from its own timestamp: the last trade before the news is the base price, and the move is read at fixed horizons — 30 minutes of trading, then the close. The median across 120 events is what this page reports. Point-in-time, zero look-ahead: no event borrows information from a later one.
What counts as a positive reaction?
Any event whose price move is above zero at the horizon, relative to the last trade before the news timestamp. 56% of IMPP's measured events are up at 30 minutes; the rest close the window flat or negative.
How often is this page updated?
The news table refreshes automatically as new events are labeled and priced. The reaction medians are re-pulled in batches from the dataset — the figures here are as of 2026-09-21.
Does IMPP's past reaction predict its next one?
No. These are realized facts about past events, not forecasts. They describe a distribution — they say nothing certain about any future move.