Transaction · 0002040321-26-000005

Siegrist Jonathan Philip

Siegrist Jonathan Philip, ER, D, CTO, reported a transaction classified as withholding at QuidelOrtho Corp involving 6695.000000 shares for an estimated $93127.45. Reported holdings after the transaction were 25381.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

withholdingSEC transaction code FER, D, CTO
QDELQuidelOrtho Corp
Trade date
Oct 15, 2026
Filing date
Oct 19, 2026
View on SEC Insider profile
Estimated value-$93.1kShares × reported price
Shares traded6.69k$13.91 per share
Holdings after25.3kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

QDEL price since this filing

Daily closing prices, with the filing date and available return windows
QDEL · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -17.7%1w ago -3.9%1d ago +7.4%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
withholding
Code F
Identifier
0002040321-26-000005
Common Stock
Transaction date
Oct 15, 2026
Filed Oct 19, 2026, 09:07 PM · 4d delay
Shares
6,695 sh
$13.91 per share
Estimated value
-$93.1k
Computed from shares × price
Holdings after
25,381 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Reduction
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • tax_withholding-22 points

    transaction_code = F

    Tax withholding on vesting shares is mechanical.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP of R&D & CTO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Reflects release of restricted stock units that were previously reported on a Form 3.

  2. F2

    Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release…

  3. F3

    Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.

  4. F4

    18,656 shares vested on October 15, 2025; 18,657 shares vested on October 15, 2026; and the remaining 18,657 shares will vest on October 15, 2027.

Original filing · 0002040321-26-000005
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