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Herman E Bulls

Director · Comfort Systems USA

Herman E Bulls (Director) filed 5 Form 4 reports in the past 24 months (2 purchases, 3 sales), most often in Comfort Systems USA, Inc. (FIX). Across 2 priced purchase filings, the average 21-session return was -14.0% from execution and -17.8% from disclosure (delay-adjusted; derived). The largest single filing was $2.1M of FIX (3,000 sh × $710.00, as filed), executed Aug 27 2025. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
-14.0%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-17.8%
same 2 filings, from disclosure
Filings, ttm
5
2 buys · 3 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$5.8M
shares × price, as filed
Last traded
Oct 29 2025
Filed Oct 31 2025

Median ADV $793.5M across their filed names

Open performance→
Volume by month
$2.1M$1.1M$0Dec 2024Jun 2025Dec 2025Jun 2026Dec 2024 · buys $156KFeb 2025 · buys $196KJun 2025 · sells $1.3MAug 2025 · sells $2.1MOct 2025 · sells $2.0M
Buys $352K Sells $5.4M

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

Sectors filed on
Industrials 3 filings Utilities 2 filings

Sector per market data · by filing · past 24 months

Most traded names
FIX Comfort Systems USA, Inc. FIX · 0 buys · 3 sells 3 filings FLNC Fluence Energy, Inc. FLNC · 2 buys · 0 sells 2 filings
Recent filings
FIXSALE Comfort Systems USA, Inc. View filing → $2.0M
2,000 sh × $1,013.62
Exec Oct 29 2025
Filed Oct 31 2025 · 5:30 PM ET
FIXSALE Comfort Systems USA, Inc. View filing → $2.1M
3,000 sh × $710.00
Exec Aug 27 2025
Filed Aug 28 2025 · 5:30 PM ET
FIXSALE Comfort Systems USA, Inc. View filing → $1.3M
2,500 sh × $500.01
Exec Jun 9 2025
Filed Jun 11 2025 · 5:30 PM ET
FLNCPURCHASE Fluence Energy, Inc. View filing → $196K
30,000 sh × $6.53
Exec Feb 13 2025
Filed Feb 14 2025 · 5:30 PM ET
FLNCPURCHASE Fluence Energy, Inc. View filing → $156K
10,000 sh × $15.57
Exec Dec 23 2024
Filed Dec 26 2024 · 5:30 PM ET