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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 → $435K
16,141 sh × $26.93
Exec Oct 1
Filed Oct 2 · 4:09 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $255K
9,705 sh × $26.22
Exec Sep 4
Filed Sep 8 · 4:20 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $252K
9,611 sh across 2 lots
Exec Sep 2
Filed Sep 4 · 4:22 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $426K
16,141 sh × $26.36
Exec Sep 1
Filed Sep 3 · 4:24 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $446K
16,142 sh × $27.61
Exec Aug 13
Filed Aug 14 · 4:54 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $400K
13,409 sh × $29.86
Exec Jul 1
Filed Jul 2 · 4:29 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $339K
13,253 sh × $25.57
Exec Jun 1
Filed Jun 3 · 5:30 PM ET
MAZESALE Maze Therapeutics, Inc. View filing → $393K
15,000 sh × $26.22
Exec May 14
Filed May 18 · 5:30 PM ET
More filings →