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Michael Burkes Brophy

CHIEF FINANCIAL OFFICER · Natera

Michael Burkes Brophy (CHIEF FINANCIAL OFFICER) filed 11 Form 4 reports in the trailing twelve months (0 purchases, 11 sales), most often in Natera, Inc. (NTRA). The largest single filing was $14.6M of NTRA (61,123 sh across 3 lots, as filed), executed Jan 20. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
11
0 buys · 11 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$22.3M
shares × price, as filed
Last traded
Nov 3
Filed Nov 4

Median ADV $454.8M across their filed names

Open performance→
Volume by month
$15.8M$7.9M$0Dec 2024Jun 2025Dec 2025Jun 2026Jan 2025 · sells $5.7MFeb 2025 · sells $7.7MMar 2025 · sells $115KApr 2025 · sells $1.1MJul 2025 · sells $752KOct 2025 · sells $1.5MJan 2026 · sells $15.8MFeb 2026 · sells $1.6MMar 2026 · sells $160KApr 2026 · sells $809KMay 2026 · sells $101KJul 2026 · sells $1.2MAug 2026 · sells $131KOct 2026 · sells $2.1MNov 2026 · sells $311K
Buys $0 Sells $39.1M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 11 filings

Sector per market data · by filing · past 12 months

Most traded names
NTRA Natera, Inc. NTRA · 0 buys · 25 sells 25 filings
Recent filings
NTRASALE Natera, Inc. View filing → $1.6M
6,939 sh across 3 lots
Exec Feb 3
Filed Feb 4 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $1.2M
5,064 sh across 5 lots
Exec Jan 27
Filed Jan 29 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $14.6M
61,123 sh across 3 lots
Exec Jan 20
Filed Jan 22 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $623K
3,259 sh across 4 lots
Exec Oct 27 2025
Filed Oct 29 2025 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $320K
1,675 sh across 2 lots
Exec Oct 22 2025
Filed Oct 24 2025 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $113K
602 sh × $187.95
Exec Oct 21 2025
Filed Oct 22 2025 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $404K
2,491 sh × $162.05
Exec Sep 30 2025
Filed Oct 1 2025 · 5:30 PM ET
NTRASALE Natera, Inc. View filing → $624K
4,497 sh across 3 lots
Exec Jul 28 2025
Filed Jul 30 2025 · 5:30 PM ET
More filings →