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buyNotable cluster of 3

Matthew Strobeck bought $240k of QDEL

director at QuidelOrtho Corp. 10,000 shares at an average of $23.96, traded Feb 13, 2026, filed Feb 13, 2026.

Conviction score
61
Value
$240k
10,000 shares
Holdings after
27,775
+56% from before
From 52-week low
+20%
low $19.73, close $23.58
From 52-week high
-44%
high $41.96, as of Feb 13, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $240k at market
    +13
  • Relative to holdings
    Holdings up 56%
    +10
  • Price context
    44% below the 52-week high
    +8
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (1 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -27.5%, 3m -56.2%, 6m -39.4%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

QDELOct 9, 2026 · close 13.42
Since filing Feb 13, 2026: -43.1%SPY +15.0% · excess -58.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001377832-26-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 13, 2026POpen-market purchase
Common Stock
+10,000$23.96$240k27,775Feb 13, 2026

Related signals

Other insiders at QuidelOrtho Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
65Notable
QDELbuy 3
QuidelOrtho Corp
Joseph M Busky
Chief Financial Officer
$80k
3,370 shares
+49%
72Notable
QDELbuy 3
QuidelOrtho Corp
Brian J Blaser
President and CEO
$249k
10,540 shares
+36%
65Notable
QDELbuy 3
QuidelOrtho Corp
Joseph M Busky
Chief Financial Officer
$80k
3,370 shares
+49%
34Weak
QDELbuy 2
QuidelOrtho Corp
Ann D Rhoads
director
$21k
750 shares
+5%
38Weak
QDELbuy 5
QuidelOrtho Corp
Joseph D Wilkins Jr.
director
$10k
370 shares
+3%
65Notable
QDELbuy 4
QuidelOrtho Corp
Joseph M Busky
Chief Financial Officer
$124k
4,770 shares
+222%
10Weak
QDELsell
QuidelOrtho Corp
Kenneth J Widder
director
$112k
4,026 shares
-10%
41Moderate
QDELbuy 4
QuidelOrtho Corp
Mary Lake Ph D Polan
director
$22k
1,000 shares
+9%
86Strong
QDELbuy 4
QuidelOrtho Corp
Brian J Blaser
President and CEO
$502k
23,500 shares
+390%
46Moderate
QDELbuy
QuidelOrtho Corp
Brian J Blaser
President and CEO
$250k
6,033 shares
-

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.