Martin D. Madaus

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Marlborough, MA
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Jennifer Carmichael (Attorney in Fact)
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Martin D. Madaus

Form 4 holding Director

Quanterix Corp

Security class
Common Stock
Shares / value
254,633
Estimated value
$2,739,851
Report date
02 Jan 2025
Price
$10.76
Ownership
Held by trust
Form 4 holding Director

Quanterix Corp

Security class
Common Stock
Shares / value
36,908
Estimated value
$397,130
Report date
02 Jan 2025
Price
$10.76
Ownership
Direct
Form 4 holding Director

STANDARD BIOTOOLS INC.

Security class
Common Stock
Shares / value
104,111
Estimated value
$264,442
Report date
20 Oct 2023
Price
$2.54
Ownership
Direct
Form 4 holding Director

REPLIGEN CORP

Security class
Common Stock
Shares / value
1,800
Estimated value
$212,076
Report date
14 May 2026
Price
$117.82
Ownership
By Martin D. Madaus 2011 Revocable Trust
Form 4 holding Director

Azenta, Inc.

Security class
Restricted Stock Unit
Shares / value
9,703
Estimated value
$211,373
Report date
05 Feb 2026
Price
$52.32
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

STANDARD BIOTOOLS INC.

Security class
Stock Option (Right to Buy)
Shares / value
35,380
Estimated value
$132,321
Report date
14 Jun 2023
Price
$3.74
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

Quanterix Corp

Security class
Stock Option (Right to Buy)
Shares / value
15,821
Estimated value
Report date
02 Jan 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

REPLIGEN CORP

Security class
Stock Option (Right to Buy)
Shares / value
2,239
Estimated value
Report date
14 May 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Director

HOLOGIC INC

Security class
Non-qualified Stock Option (Right to Buy)
Shares / value
0
Estimated value
Report date
07 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Martin D. Madaus

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