MM
Insider
Martin D Madaus
DirectorMartin D Madaus (Director) filed 3 Form 4 reports in the past 24 months (3 purchases, 0 sales), most often in Azenta, Inc. (AZTA). Across 2 priced purchase filings, the average 21-session return was +15.1% from execution and +15.6% from disclosure (delay-adjusted; derived). The largest single filing was $301K of HOLX (5,445 sh × $55.24, as filed), executed May 7 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+15.1%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+15.6%
same 2 filings, from disclosure
Filings, ttm
3
3 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$704K
shares × price, as filed
Last traded
Aug 8 2025
Filed Aug 12 2025
Median ADV $191.8M across their filed names
33% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.
Open performance→Volume by month
Buys $704K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
2 filings
Not on file
1 filing
Sector per market data · by filing · past 24 months
Most traded names
AZTA
Azenta, Inc.
AZTA · 1 buy · 0 sells
1 filing
HOLX
HOLX
HOLX · 1 buy · 0 sells
1 filing
RGENRecent filings
RGENPURCHASE
Repligen Corporation
View filing →
$202K1,800 sh × $112.13
Exec Aug 8 2025
Filed Aug 12 2025 · 12:47 PM ET HOLXPURCHASE HOLOGIC INC View filing → $301K
5,445 sh × $55.24
Exec May 7 2025
Filed May 9 2025 · 5:30 PM ET AZTAPURCHASE Azenta, Inc. View filing → $201K
4,940 sh × $40.77
Exec Nov 19 2024
Filed Nov 19 2024 · 5:30 PM ET