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Who

Martin D. Madaus

Interim CEO

Company insider

Files Form 4 as: Interim CEO, Azenta; Director, Haemonetics; Director, Repligen; Director, Hologic; Director, Quanterix; Director, Standard BioTools; Director, Mettler-Toledo International; Director, Covidien.

In numbers

Trades disclosed
336
Buys
11
Sells
53
Bought
$2.1M
Sold
$5.2M
Companies
9
Companies where not an officer
7
First trade
15 Feb 2006
Last trade
22 Sep 2026
Last filed
23 Sep 2026

Companies traded

Where they are an officer
AZTA AzentaDirector, Officer · Semiconductor Equipment · last 22 Sep 20261 buy · 0 sells
Millipore Corp /maDirector, Officer · last 14 Jul 20101 buy · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
HAE HaemoneticsDirector · Medical Devices · last 24 Jul 20260 buys · 0 sells
RGEN RepligenDirector · Biotechnology · last 14 May 20265 buys · 0 sells
HologicDirector · Medical Devices · last 7 Apr 20261 buy · 0 sells
QTRX QuanterixDirector · Life-science tools · last 2 Jan 20251 buy · 52 sells
LAB Standard BioToolsDirector · Life-science tools · last 20 Oct 20230 buys · 0 sells
MTD Mettler-Toledo InternationalDirector · Life-science tools · last 18 Nov 20142 buys · 1 sell
CovidienDirector · last 20 Feb 20140 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
22 Sep 2026filed 23 Sep 2026AZTA AzentaSemiconductor EquipmentSEC FORM 4 Code F$50K1,456 at $34.28filing
22 Sep 2026filed 23 Sep 2026AZTA AzentaSemiconductor EquipmentSEC FORM 4 Code F$50K1,456 at $34.28filing
14 Sep 2026filed 16 Sep 2026AZTA AzentaSemiconductor EquipmentSEC FORM 4 Code A—36,653 at $0.00filing
14 Sep 2026filed 16 Sep 2026AZTA AzentaSemiconductor EquipmentSEC FORM 4 Code A—36,653 at $0.00filing
24 Jul 2026filed 28 Jul 2026HAE HaemoneticsMedical DevicesSEC FORM 4 Code A—2,538filing
24 Jul 2026filed 28 Jul 2026HAE HaemoneticsMedical DevicesSEC FORM 4 Code A—2,538filing
14 May 2026filed 18 May 2026RGEN RepligenBiotechnologySEC FORM 4 Code A—995 at $0.00filing
14 May 2026filed 18 May 2026RGEN Repligenoption or derivative · BiotechnologySEC FORM 4 Code A—2,239 at $0.00filing
14 May 2026filed 18 May 2026RGEN Repligenoption or derivative · BiotechnologySEC FORM 4 Code A—2,239 at $0.00filing
14 May 2026filed 18 May 2026RGEN RepligenBiotechnologySEC FORM 4 Code A—995 at $0.00filing
7 Apr 2026filed 9 Apr 2026HologicMedical DevicesSEC FORM 4 Code D—5,396filing
7 Apr 2026filed 9 Apr 2026HologicMedical DevicesSEC FORM 4 Code D—5,445filing
7 Apr 2026filed 9 Apr 2026Hologicoption or derivative · Medical DevicesSEC FORM 4 Code D—1,016filing
7 Apr 2026filed 9 Apr 2026Hologicoption or derivativeSEC FORM 4 Code D—1,016filing
7 Apr 2026filed 9 Apr 2026Hologicoption or derivativeSEC FORM 4 Code D—5,535filing
7 Apr 2026filed 9 Apr 2026Hologicoption or derivative · Medical DevicesSEC FORM 4 Code D—5,535filing
7 Apr 2026filed 9 Apr 2026HologicSEC FORM 4 Code D—5,396filing
7 Apr 2026filed 9 Apr 2026HologicSEC FORM 4 Code D—5,445filing
26 Feb 2026filed 2 Mar 2026HologicMedical DevicesSEC FORM 4 Code A—3,190filing
26 Feb 2026filed 2 Mar 2026HologicSEC FORM 4 Code A—3,190filing

News

Twist Bioscience (NASDAQ:TWST) versus Quanterix (NASDAQ:QTRX) Financial AnalysisQTRX · tickerreport.com · 15 Oct 2026Analyzing Qiagen (NYSE:QGEN) & Mettler-Toledo International (NYSE:MTD)MTD · tickerreport.com · 14 Oct 2026

0 headlines in the last 90 days name Martin D. Madaus; 2 articles from the last 14 days about the 4 companies they traded most, at most three about any one of them.

Sectors

Health Care61
Technology1
Not placed2

Buys in green, sells in red, by the company’s sector.

Related people

Ephraim StarrSVP, Gen Counsel & Secretary · SVP, Gen Counsel & Secretary at Azenta, filing Form 4 there in the last year
William E. Martin IIIPresident Multiomics · President Multiomics at Azenta, filing Form 4 there in the last year
Lawrence Y. LinEVP, CFO and Treasurer · EVP, CFO and Treasurer at Azenta, filing Form 4 there in the last year
Olga PirogovaSVP and CHRO · SVP and CHRO at Azenta, filing Form 4 there in the last year
Erik J. BelloVP Chief Accounting Officer · VP Chief Accounting Officer at Azenta, filing Form 4 there in the last year
Olivier LoeillotChief Executive Officer · Also traded RGEN in the last 90 days
Patrick KaltenbachPresident and CEO · Also traded MTD in the last 90 days
William P. DonnellyDirector · Also traded QTRX in the last 90 days