LifeStance Health Group, Inc. (LFST)
LFST moved a median of -0.16% 30 minutes after news, and -0.17% by the close. How LFST actually reacts to news — the realized, point-in-time move the market made, measured across 510 labeled events over the last three years with zero look-ahead.
LFST’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | 0.00% | 44% | 510 |
| 30-min | -0.16% | 44% | 510 |
| 60-min | -0.15% | 44% | 510 |
| to close | -0.17% | 45% | 499 |
| Middle 50% of LFST reactions | -1.13% to +0.70% |
|---|---|
| Median reaction (30-min) | -0.16% |
| Measured reactions | 510 |
Half of all LifeStance Health Group, Inc. news events land between -1.13% and +0.70% at 30 minutes.
Reaction stats as of 2026-09-21. Newest measured event . Reaction = percent move vs. the price at the news timestamp.
How LFST reacts, by analyst action.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades | 18 | +0.17% | 56% | +0.17% |
| Coverage initiations | 19 | -0.39% | 42% | -1.59% |
| Rating reiterations | 34 | +0.27% | 53% | +0.07% |
| Price-target raises | 23 | -0.25% | 48% | -0.14% |
Last 3 years, pulled 2026-09-21. 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 LFST ranks against every other measured name →
That’s how LFST usually reacts — get an email when it moves on news →Email me when LFST moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to LFST's baseline. Nothing else.
Recent LFST events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 8-K LifeStance Health Group, For: Oct 14 | SEC filing · Form 8-K | SEC EDGAR | +1.53% | +0.26% | |
| LifeStance to Host Third Quarter 2026 Earnings Conference Call on November 5, 2026 | Press release | GlobeNewswire | -0.24% | -5.70% | |
| Nearly Half of Americans Say Fear of an Unwanted Viral Moment Keeps Them from Being Themselves in Public, LifeStance Survey Finds | Press release | PR Newswire | +0.59% | +1.52% | |
| Form 8-K LifeStance Health Group, For: Sep 09 | SEC filing · Form 8-K | SEC EDGAR | +1.99% | +2.53% | |
| LifeStance Health Group Announces Launch of Secondary Public Offering | Press release | GlobeNewswire | -0.56% | +0.08% | |
| LifeStance Health Group Announces Pricing of Secondary Public Offering | Press release | GlobeNewswire | -0.56% | +0.08% | |
| LifeStance to Present at Upcoming Investor Conferences | Press release | GlobeNewswire | +2.83% | +1.18% | |
| LifeStance Survey Finds Women Want Mental Healthcare Built Into Perimenopause and Menopause Care | Press release | PR Newswire | -0.59% | -2.46% | |
| Form 10-Q LifeStance Health Group, For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | -0.64% | -0.55% | |
| Form 8-K LifeStance Health Group, For: Aug 06 | SEC filing · Form 8-K | SEC EDGAR | -5.10% | -3.00% | |
| LifeStance Reports Strong Second Quarter 2026 Financial Results and Raises Full Year Outlook | Press release | GlobeNewswire | -5.10% | -3.00% | |
| LifeStance to Host Second Quarter 2026 Earnings Conference Call on August 6, 2026 | Press release | GlobeNewswire | +2.33% | +3.95% | |
| Form 8-K LifeStance Health Group, For: Jul 02 | SEC filing · Form 8-K | SEC EDGAR | +0.09% | -2.42% | |
| Form 8-K LifeStance Health Group, For: Jun 02 | SEC filing · Form 8-K | SEC EDGAR | +0.40% | -1.98% | |
| Form 8-K LifeStance Health Group, For: May 07 | SEC filing · Form 8-K | SEC EDGAR | +0.57% | +2.40% | |
| Form 10-Q LifeStance Health Group, For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | -1.93% | -4.23% | |
| Form 8-K LifeStance Health Group, For: May 07 | SEC filing · Form 8-K | SEC EDGAR | -0.13% | +10.63% | |
| LifeStance Health Group Announces Launch of Secondary Public Offering | Press release | GlobeNewswire | -1.93% | -4.23% | |
| LifeStance Health Group Announces Pricing of Secondary Public Offering | Press release | GlobeNewswire | -1.93% | -4.23% | |
| LifeStance Reports First Quarter 2026 Results | Press release | GlobeNewswire | -0.13% | +10.63% | |
| LifeStance to Present at Upcoming Investor Conferences | Press release | GlobeNewswire | +0.27% | +1.48% | |
| Form ARS LifeStance Health Group, For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | -0.50% | +0.58% | |
| Form DEF 14A LifeStance Health Group, For: Jun 02 | SEC filing · Form DEF | SEC EDGAR | -0.50% | +0.58% | |
| Form DEFA14A LifeStance Health Group, | SEC filing · Form DEFA14A | SEC EDGAR | -0.50% | +0.58% | |
| LifeStance to Host First Quarter 2026 Earnings Conference Call on May 7, 2026 | Press release | GlobeNewswire | +0.30% | +1.92% | |
| LifeStance Publishes Outcomes Data Validating the Benefit of Mental Health Treatment at Scale | Press release | PR Newswire | -1.30% | -0.46% | |
| Form 8-K LifeStance Health Group, For: Mar 10 | SEC filing · Form 8-K | SEC EDGAR | -0.15% | -3.51% | |
| Form 8-K LifeStance Health Group, For: Feb 25 | SEC filing · Form 8-K | SEC EDGAR | -0.21% | +3.41% | |
| Form 10-K LifeStance Health Group, For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -0.86% | -0.29% | |
| Form 8-K LifeStance Health Group, For: Feb 25 | SEC filing · Form 8-K | SEC EDGAR | -3.00% | -7.38% | |
| Form S-8 LifeStance Health Group, | SEC filing · Form S-8 | SEC EDGAR | -0.86% | -0.29% | |
| LifeStance Health Group Announces Launch of Secondary Public Offering | Press release | GlobeNewswire | -0.86% | -0.29% | |
| LifeStance Reports Fourth Quarter and Full Year 2025 Results | Press release | GlobeNewswire | -3.00% | -7.38% | |
| LifeStance to Host Fourth Quarter and Full Year 2025 Earnings Conference Call on February 25, 2026 | Press release | GlobeNewswire | +1.02% | +1.31% | |
| Form 10-Q LifeStance Health Group, For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -2.51% | -1.26% | |
| Form 8-K LifeStance Health Group, For: Nov 06 | SEC filing · Form 8-K | SEC EDGAR | +5.15% | +17.04% | |
| LifeStance Reports Third Quarter 2025 Results | Press release | GlobeNewswire | +5.15% | +17.04% | |
| Nearly 7 in 10 Americans Feel Pressure to Appear Happier Than They Are This Holiday Season | Press release | PR Newswire | +0.00% | -3.41% | |
| Calm Health Partners with LifeStance Health to Help Users Access High-Quality Mental Health Care | Press release | PR Newswire | -1.75% | -0.97% | |
| LifeStance to Present at the UBS Global Healthcare Conference | Press release | GlobeNewswire | -0.59% | -1.77% | |
| LifeStance to Host Third Quarter 2025 Earnings Conference Call on November 6, 2025 | Press release | GlobeNewswire | +0.60% | +0.60% | |
| LifeStance to Present at the 23rd Annual Morgan Stanley Healthcare Conference | Press release | GlobeNewswire | +0.37% | +2.04% | |
| Form 8-K LifeStance Health Group, For: Aug 19 | SEC filing · Form 8-K | SEC EDGAR | -0.36% | -2.71% | |
| Sarah Personette Appointed to LifeStance Board of Directors | Press release | PR Newswire | -0.72% | -0.18% | |
| Form 10-Q LifeStance Health Group, For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +2.54% | +11.20% | |
| Form 8-K LifeStance Health Group, For: Aug 07 | SEC filing · Form 8-K | SEC EDGAR | -1.49% | -4.46% | |
| LifeStance Reports Second Quarter 2025 Results | Press release | GlobeNewswire | -1.49% | -4.46% | |
| 'Stressflation' is Here: 83% of Americans Say Today's Economic Climate is Taking a Toll on Their Mental Health | Press release | PR Newswire | +0.72% | +0.72% | |
| LifeStance to Host Second Quarter 2025 Earnings Conference Call on August 7, 2025 | Press release | GlobeNewswire | -1.58% | -5.17% | |
| Form 8-K LifeStance Health Group, For: Jun 03 | SEC filing · Form 8-K | SEC EDGAR | -0.17% | -2.18% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the LFST section they belong to.
Where else LFST is measured.
LFST earnings → · Analyst actions → · SEC filings →
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Every name we’ve measured, in one place.
How the numbers are made.
How is LifeStance Health Group, Inc.'s median reaction calculated?
Every labeled LFST 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 510 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. 44% of LFST'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 LFST'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.