Quidel Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 97.62. In total, the insiders bought 700.58K and sold 18.67K QDEL shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
97.62
Buy 700.58K shares
Sell 18.67K shares
92% Buy Activity
Strong Negative Correlation
Buy Signal High Confidence
Jul 13, 2026

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 97.62.
  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (92% buys).

Historical Insider Trades

Date Type Person Role Amount
Jul 01, 2026
Buy
Restricted Stock Units
M-Exempt
Hanson Bryan Michael
EVP Global Port. Mgmt & Mkting
Officer 5 797
Value: $105.4K
Jul 01, 2026
Buy
Common Stock
M-Exempt
Hanson Bryan Michael
EVP Global Port. Mgmt & Mkting
Officer 5 797
Value: $105.4K
Jul 01, 2026
Sell
Common Stock
F-InKind
Hanson Bryan Michael
EVP Global Port. Mgmt & Mkting
Officer 2 096
Value: $38.1K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Widder Kenneth J
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Widder Kenneth J
Director
Director 6 656
Value: $90.0K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Widder Kenneth J
Director
Director 1 997
Value: $27.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Huennekens R Scott
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Chiminski John R
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Chiminski John R
Director
Director 5 547
Value: $75.0K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Chiminski John R
Director
Director 1 109
Value: $15.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Wilkins Joseph D Jr.
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Rhoads Ann D
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Rhoads Ann D
Director
Director 3 698
Value: $50.0K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Rhoads Ann D
Director
Director 369
Value: $5K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Buechler Kenneth F
Director
Director 3 661
Value: $49.5K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Buechler Kenneth F
Director
Director 12 204
Value: $165.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Buechler Kenneth F
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Dilsaver Evelyn S
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Michael Edward L.
Director
Director 1 053
Value: $14.2K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Michael Edward L.
Director
Director 3 513
Value: $47.5K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Michael Edward L.
Director
Director 15 532
Value: $210.0K
Jun 25, 2026
Buy
Restricted Stock Units (Premium)
A-Award
Polan Mary Lake Ph D
Director
Director 1 664
Value: $22.5K
Jun 25, 2026
Buy
Restricted Stock Units (Converted)
A-Award
Polan Mary Lake Ph D
Director
Director 5 547
Value: $75.0K
Jun 25, 2026
Buy
Restricted Stock Units (Equity Grant)
A-Award
Polan Mary Lake Ph D
Director
Director 15 532
Value: $210.0K
Jun 06, 2026
Buy
Restricted Stock Units (Converted)
M-Exempt
Buechler Kenneth F
Director
Director 1 659
Value: $29.7K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT QUIDEL CORPORATION
Quidel
QuidelOrtho Corporation provides various in vitro diagnostics products worldwide. The company's product portfolio covers a range of point-of-care tests for infectious diseases, critical cardiac health and autoimmune biomarkers, and clinical and at-home products to detect COVID-19. It provides visually-read lateral flow products in infectious disease and reproductive health; direct fluorescent antibodies in infectious disease and virology; micro-t...
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