Cassava Sciences, Inc. (SAVA)
SAVA moved a median of +0.20% 30 minutes after news, and 0.00% by the close. How SAVA actually reacts to news — the realized, point-in-time move the market made, measured across 951 labeled events over the last three years with zero look-ahead.
SAVA’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | +0.12% | 54% | 938 |
| 30-min | +0.20% | 54% | 938 |
| 60-min | +0.19% | 53% | 938 |
| to close | 0.00% | 48% | 937 |
| Middle 50% of SAVA reactions | -1.04% to +1.51% |
|---|---|
| Median reaction (30-min) | +0.20% |
| Measured reactions | 951 |
Half of all Cassava Sciences, Inc. news events land between -1.04% and +1.51% 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 SAVA moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to SAVA's baseline. Nothing else.
Recent SAVA events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form 8-K FILANA THERAPEUTICS, For: Sep 22 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Sep 17 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 10-Q FILANA THERAPEUTICS, For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Jul 29 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Jun 11 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 10-Q FILANA THERAPEUTICS, For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: May 07 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Apr 22 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form ARS FILANA THERAPEUTICS, For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | — | — | |
| Form DEF 14A FILANA THERAPEUTICS, For: Jun 11 | SEC filing · Form DEF | SEC EDGAR | — | — | |
| Form 10-K FILANA THERAPEUTICS, For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Mar 12 | SEC filing · Form 8-K | SEC EDGAR | — | — | |
| Form 8-K FILANA THERAPEUTICS, For: Mar 10 | SEC filing · Form 8-K | SEC EDGAR | +1.83% | +8.68% | |
| Cassava Announces Closure of U.S. Department of Justice Investigation | Press release | GlobeNewswire | -0.24% | +3.83% | |
| Form 8-K CASSAVA SCIENCES INC For: Feb 19 | SEC filing · Form 8-K | SEC EDGAR | -0.24% | +3.83% | |
| Cassava Announces Publication of Peer-Reviewed Phase 3 Results for Simufilam in Alzheimer’s Disease in the Journal of Prevention of Alzheimer’s Disease | Press release | GlobeNewswire | -1.41% | -3.76% | |
| HALPER SADEH LLC ENCOURAGES CASSAVA SCIENCES, INC. SHAREHOLDERS TO CONTACT THE FIRM TO DISCUSS THEIR RIGHTS | Press release | PR Newswire | -0.45% | +0.68% | |
| Form 8-K CASSAVA SCIENCES INC For: Dec 19 | SEC filing · Form 8-K | SEC EDGAR | -2.15% | -5.17% | |
| Form 8-K/A CASSAVA SCIENCES INC For: Oct 21 | SEC filing · Form 8-K | SEC EDGAR | -2.15% | -5.17% | |
| Form 8-K CASSAVA SCIENCES INC For: Dec 15 | SEC filing · Form 8-K | SEC EDGAR | -2.41% | -12.65% | |
| Form 8-K CASSAVA SCIENCES INC For: Dec 12 | SEC filing · Form 8-K | SEC EDGAR | +2.41% | -1.72% | |
| Form EFFECT CASSAVA SCIENCES INC | SEC filing · Form EFFECT | SEC EDGAR | +1.25% | +0.31% | |
| Form 8-K CASSAVA SCIENCES INC For: Nov 26 | SEC filing · Form 8-K | SEC EDGAR | +0.86% | +6.16% | |
| Form S-3 CASSAVA SCIENCES INC | SEC filing · Form S-3 | SEC EDGAR | -1.60% | — | |
| Cassava Reports Q3 2025 Financials Results and Provides Business Update | Press release | GlobeNewswire | -1.12% | +4.15% | |
| Form 10-Q CASSAVA SCIENCES INC For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -1.60% | — | |
| Form 8-K CASSAVA SCIENCES INC For: Nov 12 | SEC filing · Form 8-K | SEC EDGAR | -1.12% | +4.15% | |
| Form 8-K CASSAVA SCIENCES INC For: Oct 23 | SEC filing · Form 8-K | SEC EDGAR | -0.38% | -4.79% | |
| Cassava Sciences Appoints Dawn C. Bir to the Board of Directors | Press release | GlobeNewswire | +0.25% | -6.57% | |
| Form 8-K CASSAVA SCIENCES INC For: Oct 21 | SEC filing · Form 8-K | SEC EDGAR | +0.25% | -6.57% | |
| Halper Sadeh LLC Encourages Cassava Sciences, Inc. Shareholders to Contact the Firm to Discuss Their Rights | Press release | Business Wire | +0.54% | +5.11% | |
| Form 8-K CASSAVA SCIENCES INC For: Sep 08 | SEC filing · Form 8-K | SEC EDGAR | -0.23% | -1.38% | |
| Cassava Sciences to Participate in the H.C. Wainwright 27th Annual Global Investment Conference | Press release | GlobeNewswire | -0.46% | -1.82% | |
| Cassava Reports Q2 2025 Financials Results and Provides Business Update | Press release | GlobeNewswire | +5.23% | +9.54% | |
| Form 10-Q CASSAVA SCIENCES INC For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +5.23% | +9.54% | |
| Form 8-K CASSAVA SCIENCES INC For: Aug 14 | SEC filing · Form 8-K | SEC EDGAR | +5.23% | +9.54% | |
| Cassava Sciences Appoints Dr. Joseph Hulihan as Chief Medical Officer | Press release | GlobeNewswire | +1.70% | -7.20% | |
| Cassava Sciences Reports Positive Preclinical Study Evaluating Simufilam for TSC-Related Epilepsy | Press release | GlobeNewswire | +5.15% | +6.51% | |
| Form 8-K CASSAVA SCIENCES INC For: Aug 04 | SEC filing · Form 8-K | SEC EDGAR | +5.15% | +6.51% | |
| Cassava Presents Promising Preclinical Simufilam Data at TSC Alliance Meeting | Press release | GlobeNewswire | +0.20% | +0.00% | |
| Form 8-K CASSAVA SCIENCES INC For: Jun 30 | SEC filing · Form 8-K | SEC EDGAR | +0.20% | +0.00% | |
| Form 8-K CASSAVA SCIENCES INC For: May 23 | SEC filing · Form 8-K | SEC EDGAR | -1.42% | -0.94% | |
| Cassava Reports Q1 2025 Financials Results, Provides Business Update | Press release | GlobeNewswire | +0.00% | +9.68% | |
| Form 10-Q CASSAVA SCIENCES INC For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +2.66% | +4.73% | |
| Form 8-K CASSAVA SCIENCES INC For: May 08 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | +9.68% | |
| Cassava Appoints Angélique Bordey, PhD, to Enhance Preclinical Program in TSC | Press release | GlobeNewswire | -1.41% | +2.53% | |
| Cassava Announces Retirement of Chief Medical Officer, Dr. Jim Kupiec, and Appointment of Dr. Jack Moore as Senior Vice President, Clinical Development | Press release | GlobeNewswire | +2.80% | +11.19% | |
| Form 8-K CASSAVA SCIENCES INC For: Apr 15 | SEC filing · Form 8-K | SEC EDGAR | +2.80% | +11.19% | |
| Form ARS CASSAVA SCIENCES INC For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | -1.49% | +3.08% | |
| Form DEF 14A CASSAVA SCIENCES INC For: May 23 | SEC filing · Form DEF | SEC EDGAR | -1.49% | +3.08% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the SAVA section they belong to.
Where else SAVA is measured.
SAVA earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Cassava Sciences, Inc.'s median reaction calculated?
Every labeled SAVA 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 951 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. 54% of SAVA'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 SAVA'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.