Stantec Inc (STN)
STN moved a median of +0.09% 30 minutes after news, and +0.15% by the close. How STN actually reacts to news — the realized, point-in-time move the market made, measured across 190 labeled events over the last three years with zero look-ahead.
STN’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 46% | 187 |
| 30-min | +0.09% | 53% | 190 |
| 60-min | +0.06% | 54% | 190 |
| to close | +0.15% | 55% | 190 |
| Middle 50% of STN reactions | -0.50% to +0.52% |
|---|---|
| Median reaction (30-min) | +0.09% |
| Measured reactions | 190 |
Half of all Stantec Inc news events land between -0.50% and +0.52% at 30 minutes.
Reaction stats as of 2026-08-31. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How STN reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 17 | +0.39% | 65% | +0.41% |
| Analyst downgrades | 13 | +1.03% | 62% | +0.20% |
| Rating reiterations | 15 | -0.04% | 27% | -0.42% |
Last 3 years, pulled 2026-08-31. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The same measurement runs across every name in the dataset. 2 further classes were observed with fewer than 10 measured events and are not published. See how STN ranks against every other measured name →
That’s how STN usually reacts — get an email when it moves on news →Email me when STN moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to STN's baseline. Nothing else.
Recent STN events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 6-K STANTEC INC For: Aug 18 | SEC filing · Form 6-K | SEC EDGAR | +0.58% | +0.47% | |
| Stantec announces amendment to Normal Course Issuer Bid | Press release | GlobeNewswire | -0.26% | -2.03% | |
| Form 6-K STANTEC INC For: Aug 12 | SEC filing · Form 6-K | SEC EDGAR | -2.12% | -0.87% | |
| Form 6-K STANTEC INC For: Jun 30 | SEC filing · Form 6-K | SEC EDGAR | -2.12% | -0.87% | |
| Stantec delivers strong second quarter 2026 results, expands margins and raises adjusted EBITDA outlook for 2026 | Press release | GlobeNewswire | -2.12% | -0.87% | |
| Form 6-K STANTEC INC For: Jul 30 | SEC filing · Form 6-K | SEC EDGAR | +0.17% | -2.62% | |
| Stantec joint venture selected by U.S. Army Corps of Engineers to advance coastal resilience on Charleston’s peninsula | Press release | GlobeNewswire | +0.17% | -2.62% | |
| Form 6-K STANTEC INC For: Jun 18 | SEC filing · Form 6-K | SEC EDGAR | +2.16% | +2.19% | |
| Form 6-K STANTEC INC For: Jul 09 | SEC filing · Form 6-K | SEC EDGAR | -0.12% | -0.92% | |
| Stantec to release second quarter 2026 results on August 12, 2026 and host conference call on August 13, 2026 | Press release | GlobeNewswire | -0.12% | -0.92% | |
| Form 6-K STANTEC INC For: Jun 18 | SEC filing · Form 6-K | SEC EDGAR | -0.03% | -0.43% | |
| Form 6-K STANTEC INC For: Jun 17 | SEC filing · Form 6-K | SEC EDGAR | -0.94% | -2.55% | |
| Gord Johnston to Transition to Vice Chair of Stantec’s Board of Directors | Press release | GlobeNewswire | -0.94% | -2.55% | |
| Black & Veatch-Stantec Joint Venture to lead U.S. Army Corps of Engineers Brandon Road Interbasin ecosystem protection project | Press release | Business Wire | +0.09% | -1.39% | |
| Form 6-K STANTEC INC For: May 26 | SEC filing · Form 6-K | SEC EDGAR | -0.09% | +0.36% | |
| Stantec joint venture to deliver Greater Western Water’s infrastructure program | Press release | GlobeNewswire | -0.09% | +0.36% | |
| Form 6-K STANTEC INC For: May 14 | SEC filing · Form 6-K | SEC EDGAR | -1.01% | +4.43% | |
| Stantec announces results of its 2026 Annual Meeting of Shareholders | Press release | GlobeNewswire | -1.01% | +4.43% | |
| Form 6-K STANTEC INC For: Mar 31 | SEC filing · Form 6-K | SEC EDGAR | -0.80% | -8.94% | |
| Form 6-K STANTEC INC For: May 13 | SEC filing · Form 6-K | SEC EDGAR | -0.80% | -8.94% | |
| Stantec reports first quarter 2026 results, achieving record backlog of $9.0 billion, and adjusted earnings per share growth of 14.7% | Press release | GlobeNewswire | -0.80% | -8.94% | |
| Form 6-K STANTEC INC For: May 01 | SEC filing · Form 6-K | SEC EDGAR | -0.05% | +0.01% | |
| Form 6-K STANTEC INC For: Apr 21 | SEC filing · Form 6-K | SEC EDGAR | +0.10% | -1.84% | |
| Stantec releases 19th annual Sustainability Report, highlighting 68% (C$5.5 billion) in sustainability-driven revenue | Press release | GlobeNewswire | +0.10% | -1.84% | |
| Form 6-K STANTEC INC For: Apr 13 | SEC filing · Form 6-K | SEC EDGAR | +0.55% | +2.79% | |
| Stantec announces dates for first quarter 2026 results and conference call and annual general meeting of shareholders | Press release | GlobeNewswire | +0.55% | +2.79% | |
| Form 6-K STANTEC INC For: Apr 02 | SEC filing · Form 6-K | SEC EDGAR | +0.13% | +1.25% | |
| Form 6-K STANTEC INC For: Mar 10 | SEC filing · Form 6-K | SEC EDGAR | +0.49% | -1.36% | |
| Stantec announces renewal of Normal Course Issuer Bid and Automatic Share Purchase Plan | Press release | GlobeNewswire | +0.49% | -1.36% | |
| Form 6-K STANTEC INC For: Mar 04 | SEC filing · Form 6-K | SEC EDGAR | +0.00% | -0.33% | |
| Stantec selected to deliver multidisciplinary engineering and design services for Canada’s Arctic Over-the-Horizon Radar project | Press release | GlobeNewswire | +0.00% | -0.33% | |
| Form 40-F STANTEC INC For: Dec 31 | SEC filing · Form 40-F | SEC EDGAR | -2.44% | +2.92% | |
| Form 6-K STANTEC INC For: Feb 25 | SEC filing · Form 6-K | SEC EDGAR | -2.44% | +2.92% | |
| Stantec reports record 2025 results, achieves 17.6% adjusted EBITDA margin, increases dividend by 8.9%, and provides 2026 outlook | Press release | GlobeNewswire | -2.44% | +2.92% | |
| Form 6-K STANTEC INC For: Jan 21 | SEC filing · Form 6-K | SEC EDGAR | +0.22% | -0.43% | |
| Stantec to release fourth quarter and full year 2025 results on February 25, 2026 and host conference call on February 26, 2026 | Press release | GlobeNewswire | +0.22% | -0.43% | |
| Form 6-K STANTEC INC For: Jan 15 | SEC filing · Form 6-K | SEC EDGAR | +0.15% | +0.04% | |
| Scottish Water names Stantec preferred bidder to deliver multibillion-pound transformation of water and wastewater infrastructure | Press release | GlobeNewswire | +0.15% | +0.04% | |
| Form 6-K STANTEC INC For: Dec 04 | SEC filing · Form 6-K | SEC EDGAR | -0.15% | -0.80% | |
| Stantec awarded second phase of European Commission’s Global Technical Assistance Facility for Sustainable Energy | Press release | GlobeNewswire | -0.15% | -0.80% | |
| Upcycle Minerals Inc. Advances Tuxford Project and Provides Corporate Update | Press release | Canada Newswire | +0.23% | +0.80% | |
| Form 6-K STANTEC INC For: Oct 20 | SEC filing · Form 6-K | SEC EDGAR | +0.74% | +1.08% | |
| Stantec to release third quarter 2025 results on November 13, 2025 and host conference call on November 14, 2025 | Press release | GlobeNewswire | +0.74% | +1.08% | |
| Stantec's Future Leaders Scholarship now accepting applications | Press release | PR Newswire | -0.25% | +0.41% | |
| Form 6-K STANTEC INC For: Aug 13 | SEC filing · Form 6-K | SEC EDGAR | +1.63% | +6.50% | |
| Form 6-K STANTEC INC For: Jun 30 | SEC filing · Form 6-K | SEC EDGAR | +1.63% | +6.50% | |
| Stantec reports second quarter 2025 results, delivering over 20% growth in adjusted earnings per share and increases its 2025 outlook | Press release | GlobeNewswire | +1.63% | +6.50% | |
| Form 6-K STANTEC INC For: Jul 18 | SEC filing · Form 6-K | SEC EDGAR | -0.17% | +0.31% | |
| Form 6-K STANTEC INC For: Jul 09 | SEC filing · Form 6-K | SEC EDGAR | -0.36% | +0.83% | |
| Stantec to release second quarter 2025 results on August 13, 2025 and host conference call on August 14, 2025 | Press release | GlobeNewswire | +0.43% | +0.69% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the STN section they belong to.
Where else STN is measured.
STN earnings → · Analyst actions → · SEC filings →
Other Industrials names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Dorian LPG Ltd. (LPG) | 191 | -0.13% | 45% |
| SEACOR Marine Holdings Inc. (SMHI) | 191 | +0.20% | 55% |
| Cemtrex Inc. (CETX) | 188 | -1.41% | 37% |
| Heartland Express, Inc. (HTLD) | 188 | -0.16% | 41% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.
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Every name we’ve measured, in one place.
How the numbers are made.
How is Stantec Inc's median reaction calculated?
Every labeled STN 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 190 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. 53% of STN'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 2026-08-31.
Does STN'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.