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QuidelOrtho stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions−49.7% to $10.70
QuidelOrtho (QDEL) stock fell 50% over the last 252 sessions, to $10.70. On the way it reported 4 quarters, its insiders filed 9 open-market trades, and the company filed 5 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 3, 2026 | Earnings | Earnings: beat the EPS estimate by 73.8% | +0.4% (+0.1% vs SPY) | — | — |
| Sep 23, 2026 | 8-K | Material definitive agreement | +3.3% (+3.4% vs SPY) | +1.9% (+2.6% vs SPY) | +26.5% (+27.0% vs SPY) |
| Aug 6, 2026 | Earnings | Earnings: beat the EPS estimate by 374.6% | −7.0% (−6.8% vs SPY) | −16.6% (−16.9% vs SPY) | −22.8% (−23.3% vs SPY) |
| Jun 23, 2026 | 8-K | Directors and officers: departures, appointments, pay | +2.2% (+2.3% vs SPY) | +38.3% (+36.6% vs SPY) | +32.8% (+32.2% vs SPY) |
| May 5, 2026 | Earnings | Earnings: missed the EPS estimate by -111.2% | −6.3% (−7.1% vs SPY) | −22.1% (−25.0% vs SPY) | +9.1% (+4.2% vs SPY) |
| Mar 24, 2026 | 8-K | Directors and officers: departures, appointments, pay | −2.3% (−2.0% vs SPY) | −8.1% (−4.5% vs SPY) | −32.9% (−41.1% vs SPY) |
| Feb 13, 2026 | 8-K | Directors and officers: departures, appointments, pay | −1.9% (−2.1% vs SPY) | −10.7% (−10.8% vs SPY) | −21.0% (−19.3% vs SPY) |
| Feb 13, 2026 | Insider buy | Strobeck Matthew bought $240K | −0.7% (−0.8% vs SPY) | −5.4% (−6.6% vs SPY) | −29.6% (−27.8% vs SPY) |
| Feb 13, 2026 | Insider buy | Busky Joseph M bought $80K | −0.7% (−0.8% vs SPY) | −5.4% (−6.6% vs SPY) | −29.6% (−27.8% vs SPY) |
| Feb 13, 2026 | Insider buy | Blaser Brian J. bought $249K | −0.7% (−0.8% vs SPY) | −5.4% (−6.6% vs SPY) | −29.6% (−27.8% vs SPY) |
| Feb 11, 2026 | Earnings | Earnings: beat the EPS estimate by 8.8% | −1.4% (−1.4% vs SPY) | −19.0% (−18.1% vs SPY) | −48.9% (−45.0% vs SPY) |
| Feb 5, 2026 | 8-K | Directors and officers: departures, appointments, pay | +1.4% (−0.5% vs SPY) | −18.9% (−19.5% vs SPY) | −36.8% (−36.9% vs SPY) |
| Dec 10, 2025 | Insider buy | Rhoads Ann D bought $21K | +4.8% (+4.2% vs SPY) | +5.1% (+5.7% vs SPY) | +20.4% (+18.5% vs SPY) |
| Nov 26, 2025 | Insider buy | Wilkins Joseph D Jr. bought $10K | −2.3% (−3.0% vs SPY) | −2.2% (−3.5% vs SPY) | +4.0% (+1.5% vs SPY) |
| Nov 25, 2025 | Insider sale | Widder Kenneth J sold $112K | +5.7% (+4.8% vs SPY) | −0.2% (−2.1% vs SPY) | +8.4% (+4.9% vs SPY) |
| Nov 24, 2025 | Insider buy | Busky Joseph M bought $124K | +8.8% (+7.3% vs SPY) | +8.4% (+5.2% vs SPY) | +16.0% (+11.5% vs SPY) |
| Nov 21, 2025 | Insider buy | Polan Mary Lake Ph D bought $22K | +13.3% (+12.3% vs SPY) | +24.9% (+20.3% vs SPY) | +33.6% (+28.5% vs SPY) |
| Nov 19, 2025 | Insider buy | Blaser Brian J. bought $501K | −1.4% (−1.8% vs SPY) | +27.9% (+25.7% vs SPY) | +28.6% (+26.1% vs SPY) |
Insiders’ record here
In the year on the chart, QuidelOrtho's insiders reported 8 open-market buys ($1.2M) and 1 sale ($112K). Of the 9 old enough to score, 1 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was −18.8% and after a sale −20.8%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
| 1.01 Material definitive agreement | 23,525 | 0.0% | 51% | +1.0% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Report card: every quarter against the estimate → QuidelOrtho: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.