Theriva Biologics, Inc. (TOVX)
TOVX moved a median of -0.75% 30 minutes after news, and -1.45% by the close. How TOVX actually reacts to news — the realized, point-in-time move the market made, measured across 246 labeled events over the last three years with zero look-ahead.
TOVX’s median reaction, across the day.
| Horizon | Median | % positive | Events |
|---|---|---|---|
| 5-min | -0.06% | 37% | 246 |
| 30-min | -0.75% | 45% | 246 |
| 60-min | -0.97% | 37% | 246 |
| to close | -1.45% | 33% | 245 |
| Middle 50% of TOVX reactions | -4.58% to +2.14% |
|---|---|
| Median reaction (30-min) | -0.75% |
| Measured reactions | 246 |
Half of all Theriva Biologics, Inc. news events land between -4.58% and +2.14% 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 TOVX moves on news.
One email per qualifying move — the headline, the measured reaction, and how it compares to TOVX's baseline. Nothing else.
Recent TOVX events, each with its measured reaction.
| Date | Headline | Event | Source | 5-min | To close |
|---|---|---|---|---|---|
| Form DEF 14A Theriva Biologics, Inc. For: Nov 18 | SEC filing · Form DEF | SEC EDGAR | — | — | |
| Form PRE 14A Theriva Biologics, Inc. For: Oct 09 | SEC filing · Form PRE | SEC EDGAR | -0.73% | -0.27% | |
| Theriva™ Biologics Announces Publication of the Results from the VIRAGE Phase 2b Clinical Trial of VCN-01 in Metastatic Pancreatic Cancer Published in Nature Medicine | Press release | GlobeNewswire | -1.30% | +0.90% | |
| Form S-8 Theriva Biologics, Inc. | SEC filing · Form S-8 | SEC EDGAR | -2.90% | -3.14% | |
| Form 10-Q Theriva Biologics, Inc. For: Jun 30 | SEC filing · Form 10-Q | SEC EDGAR | +2.63% | +2.63% | |
| Form 8-K Theriva Biologics, Inc. For: Aug 11 | SEC filing · Form 8-K | SEC EDGAR | +2.63% | +2.63% | |
| Form 8-K Theriva Biologics, Inc. For: Aug 06 | SEC filing · Form 8-K | SEC EDGAR | +0.00% | -1.06% | |
| Form 8-K Theriva Biologics, Inc. For: Aug 03 | SEC filing · Form 8-K | SEC EDGAR | +1.07% | +2.15% | |
| Form 8-K Theriva Biologics, Inc. For: Jul 07 | SEC filing · Form 8-K | SEC EDGAR | -5.82% | -17.43% | |
| Form ARS Theriva Biologics, Inc. For: Dec 31 | SEC filing · Form ARS | SEC EDGAR | +1.33% | -1.73% | |
| Form DEF 14A Theriva Biologics, Inc. For: Aug 03 | SEC filing · Form DEF | SEC EDGAR | +1.33% | -1.73% | |
| Form PRE 14A Theriva Biologics, Inc. For: Jun 18 | SEC filing · Form PRE | SEC EDGAR | -1.26% | -0.71% | |
| Form 8-K Theriva Biologics, Inc. For: Jun 11 | SEC filing · Form 8-K | SEC EDGAR | -2.66% | -19.21% | |
| Theriva™ Biologics Announces Results from VCN-01 Phase 1 Clinical Trial in Head and Neck Cancer Published in Clinical Cancer Research | Press release | GlobeNewswire | -2.66% | -19.21% | |
| Form 8-K Theriva Biologics, Inc. For: Jun 05 | SEC filing · Form 8-K | SEC EDGAR | +1.32% | +4.02% | |
| Form 10-Q Theriva Biologics, Inc. For: Mar 31 | SEC filing · Form 10-Q | SEC EDGAR | +5.14% | +9.14% | |
| Form 8-K Theriva Biologics, Inc. For: May 05 | SEC filing · Form 8-K | SEC EDGAR | +5.14% | +9.14% | |
| Form DEF 14A Theriva Biologics, Inc. For: Jun 05 | SEC filing · Form DEF | SEC EDGAR | +1.12% | +6.16% | |
| Form PRE 14A Theriva Biologics, Inc. For: Apr 20 | SEC filing · Form PRE | SEC EDGAR | -4.54% | -2.92% | |
| Form 8-K Theriva Biologics, Inc. For: Apr 17 | SEC filing · Form 8-K | SEC EDGAR | -5.34% | -6.50% | |
| Form 8-K Theriva Biologics, Inc. For: Apr 09 | SEC filing · Form 8-K | SEC EDGAR | +0.17% | -3.11% | |
| Form 8-K Theriva Biologics, Inc. For: Mar 23 | SEC filing · Form 8-K | SEC EDGAR | -7.74% | -22.22% | |
| Form DEF 14A Theriva Biologics, Inc. For: Apr 09 | SEC filing · Form DEF | SEC EDGAR | -0.48% | +0.00% | |
| Form 10-K Theriva Biologics, Inc. For: Dec 31 | SEC filing · Form 10-K | SEC EDGAR | -0.22% | +1.12% | |
| Form 8-K Theriva Biologics, Inc. For: Mar 12 | SEC filing · Form 8-K | SEC EDGAR | -0.22% | +1.12% | |
| Form PRE 14A Theriva Biologics, Inc. For: Mar 04 | SEC filing · Form PRE | SEC EDGAR | -0.86% | -1.34% | |
| Form 8-K Theriva Biologics, Inc. For: Feb 17 | SEC filing · Form 8-K | SEC EDGAR | -1.61% | -3.61% | |
| Form 8-K Theriva Biologics, Inc. For: Feb 11 | SEC filing · Form 8-K | SEC EDGAR | -2.06% | -7.10% | |
| Form 8-K Theriva Biologics, Inc. For: Jan 12 | SEC filing · Form 8-K | SEC EDGAR | -1.86% | -0.91% | |
| Form DEF 14A Theriva Biologics, Inc. For: Feb 11 | SEC filing · Form DEF | SEC EDGAR | -0.32% | -1.70% | |
| Form 8-K Theriva Biologics, Inc. For: Dec 29 | SEC filing · Form 8-K | SEC EDGAR | -5.73% | -13.62% | |
| Form PRE 14A Theriva Biologics, Inc. For: Dec 23 | SEC filing · Form PRE | SEC EDGAR | -1.00% | -2.70% | |
| Form 8-K Theriva Biologics, Inc. For: Dec 15 | SEC filing · Form 8-K | SEC EDGAR | +0.05% | +3.40% | |
| Form EFFECT Theriva Biologics, Inc. | SEC filing · Form EFFECT | SEC EDGAR | +1.15% | -0.20% | |
| Form 10-Q Theriva Biologics, Inc. For: Sep 30 | SEC filing · Form 10-Q | SEC EDGAR | -2.45% | +2.76% | |
| Form 8-K Theriva Biologics, Inc. For: Nov 12 | SEC filing · Form 8-K | SEC EDGAR | -2.45% | +2.76% | |
| Form DEFA14A Theriva Biologics, Inc. | SEC filing · Form DEFA14A | SEC EDGAR | +1.91% | — | |
| Form DEF 14A Theriva Biologics, Inc. For: Dec 15 | SEC filing · Form DEF | SEC EDGAR | +3.78% | +2.15% | |
| Form S-3 Theriva Biologics, Inc. | SEC filing · Form S-3 | SEC EDGAR | +0.80% | +5.43% | |
| Form PRE 14A Theriva Biologics, Inc. For: Dec 15 | SEC filing · Form PRE | SEC EDGAR | -3.40% | +3.17% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 29 | SEC filing · Form 8-K | SEC EDGAR | +0.61% | +10.39% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 24 | SEC filing · Form 8-K | SEC EDGAR | -10.58% | -31.90% | |
| Form D Theriva Biologics, Inc. | SEC filing · Form D | SEC EDGAR | -3.69% | -19.39% | |
| Theriva Biologics Provides Response to Unusual Market Action | Press release | GlobeNewswire | -6.42% | -35.92% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 20 | SEC filing · Form 8-K | SEC EDGAR | -4.48% | -15.20% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 16 | SEC filing · Form 8-K | SEC EDGAR | -4.48% | -15.20% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 13 | SEC filing · Form 8-K | SEC EDGAR | -1.14% | -0.70% | |
| Theriva™ Biologics Announces Upcoming Presentations at Medical Meetings | Press release | GlobeNewswire | +0.24% | -2.12% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 08 | SEC filing · Form 8-K | SEC EDGAR | -3.87% | -13.92% | |
| Form 8-K Theriva Biologics, Inc. For: Oct 06 | SEC filing · Form 8-K | SEC EDGAR | +2.42% | -0.02% |
Each reaction is the move the market actually made, measured from the news timestamp. Headlines link through to the TOVX section they belong to.
Where else TOVX is measured.
TOVX earnings → · Analyst actions → · SEC filings →
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How the numbers are made.
How is Theriva Biologics, Inc.'s median reaction calculated?
Every labeled TOVX 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 246 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. 45% of TOVX'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 TOVX'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.