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Harold Bernstein

President, R&D & CMO · Maze Therapeutics

Harold Bernstein (President, R&D & CMO) filed 15 Form 4 reports in the trailing twelve months (0 purchases, 15 sales), most often in Maze Therapeutics, Inc. (MAZE). The largest single filing was $1.8M of MAZE (45,000 sh across 2 lots, as filed), executed Dec 29 2025. 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
15
0 buys · 15 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$9.3M
shares × price, as filed
Last traded
Oct 1
Filed Oct 2

Median ADV $16.9M across their filed names

Open performance→
Volume by month
$2.2M$1.1M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2025 · sells $1.8MJan 2026 · sells $1.2MFeb 2026 · sells $659KMar 2026 · sells $2.2MApr 2026 · sells $433KMay 2026 · sells $393KJun 2026 · sells $339KJul 2026 · sells $400KAug 2026 · sells $446KSep 2026 · sells $932KOct 2026 · sells $435K
Buys $0 Sells $9.3M

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

Sectors filed on
Healthcare 15 filings

Sector per market data · by filing · past 12 months

Most traded names
MAZE Maze Therapeutics, Inc. MAZE · 0 buys · 15 sells 15 filings
Recent filings
MAZESALE Maze Therapeutics, Inc. View filing → $433K
14,700 sh across 2 lots
Exec Apr 1
Filed Apr 2 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $736K
15,000 sh across 3 lots
Exec Mar 20
Filed Mar 20 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $1.5M
29,652 sh × $50.45
Exec Mar 10
Filed Mar 12 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $659K
14,300 sh across 2 lots
Exec Feb 2
Filed Feb 4 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $1.0M
25,156 sh × $40.20
Exec Jan 7
Filed Jan 9 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $179K
4,432 sh × $40.43
Exec Jan 2
Filed Jan 6 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $1.8M
45,000 sh across 2 lots
Exec Dec 29 2025
Filed Dec 31 2025 · 5:30 PM ET