Transaction · 0002120516-26-000015

Miller Michael Francis

Miller Michael Francis, CTO, reported a transaction classified as exercise at Quanterix Corp involving 136.000000 shares. Reported holdings after the transaction were 36351.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCTO
QTRXQuanterix Corp
Filing timeAug 17
Trade dateAug 15, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$2.92
Pre-filing
1mo ago +35.6%1w ago +38.0%1d ago -11.3%
Returns since
7d -4.1%30d -14.4%90d -14.4%180d -14.4%1y -14.4%

QTRX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
QTRX since 2026-08-17Filed 18 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0002120516-26-000015
Common Stock
Transaction date
Aug 15, 2026
Filed Aug 17, 2026, 08:14 PM · 2d delay
Shares
136 sh
Price unknown
Estimated value
Computed from shares × price
Holdings after
36.3k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
+2score
Filing-only score

+2

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

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Technology Officer

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

    Restricted stock units convert into common stock on a one-for-one basis.

  2. F2

    On February 6, 2023, the reporting person was granted 3,929 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installme…

  3. F3

    On March 15, 2023, the reporting person was granted 6,566 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installment…

  4. F4

    On February 2, 2024, the reporting person was granted 6,494 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installme…

  5. F5

    On May 21, 2024, the reporting person was granted 17,878 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installments…

  6. F6

    On February 4, 2025, the reporting person was granted 40,036 restricted stock units, vesting 25% on the first anniversary of the grant date, with the remaining 75% vesting in 36 equal monthly installm…

Original filing · 0002120516-26-000015
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