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Who

Herman E. Bulls

Director

Company insider

Files Form 4 as: Director, Fluence Energy; Director, Host Hotels & Resorts; Director, Comfort Systems USA; Director, American Campus Communities; Director, Computer Sciences; Director, Johnson Controls International; Director, Exelis.

In numbers

Trades disclosed
134
Buys
12
Sells
15
Bought
$1.4M
Sold
$11.0M
Companies
7
Companies where not an officer
7
First trade
18 May 2006
Last trade
21 Sep 2026
Last filed
22 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
FLNC Fluence EnergyDirector · Electronic Components & EMS · last 21 Sep 20269 buys · 0 sells
HST Host Hotels & ResortsDirector · REITs · last 20 May 20260 buys · 0 sells
FIX Comfort Systems USADirector · Engineering & Construction · last 18 May 20262 buys · 15 sells
American Campus CommunitiesDirector · last 9 Aug 20220 buys · 0 sells
Computer SciencesDirector · last 1 Apr 20170 buys · 0 sells
JCI Johnson Controls InternationalDirector · Building Products & Timber · last 2 Sep 20161 buy · 0 sells
ExelisDirector · last 29 May 20150 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 Sep 2026filed 22 Sep 2026FLNC Fluence EnergyElectronic Components & EMSSEC FORM 4 Bought$74K10,000 at $7.36filing
21 Sep 2026filed 22 Sep 2026FLNC Fluence EnergyElectronic Components & EMSSEC FORM 4 Bought$74K10,000 at $7.36filing
20 May 2026filed 22 May 2026HST Host Hotels & ResortsREITsSEC FORM 4 Code A—8,520 at $0.00filing
20 May 2026filed 22 May 2026HST Host Hotels & ResortsREITsSEC FORM 4 Code A—8,520 at $0.00filing
18 May 2026filed 19 May 2026FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Code A—105 at $0.00filing
18 May 2026filed 19 May 2026FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Code A—105 at $0.00filing
17 Mar 2026filed 19 Mar 2026FLNC Fluence EnergyElectronic Components & EMSSEC FORM 4 Code M—32,348filing
17 Mar 2026filed 19 Mar 2026FLNC Fluence Energyoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—32,348 at $0.00filing
17 Mar 2026filed 19 Mar 2026FLNC Fluence Energyoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—32,348 at $0.00filing
17 Mar 2026filed 19 Mar 2026FLNC Fluence EnergyElectronic Components & EMSSEC FORM 4 Code M—32,348filing
12 Mar 2026filed 16 Mar 2026FLNC Fluence Energyoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—10,658 at $0.00filing
12 Mar 2026filed 16 Mar 2026FLNC Fluence Energyoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—10,658 at $0.00filing
14 Nov 2025filed 19 Nov 2025FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Code G—800 at $0.00filing
29 Oct 2025filed 31 Oct 2025FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Sold$2.0M2,000 at $1,013.62filing
27 Aug 2025filed 28 Aug 2025FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Sold$2.1M3,000 at $710.00filing
9 Jun 2025filed 11 Jun 2025FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Sold$1.3M2,500 at $500.01filing
16 May 2025filed 20 May 2025FIX Comfort Systems USAEngineering & ConstructionSEC FORM 4 Code A—342 at $0.00filing
14 May 2025filed 15 May 2025HST Host Hotels & ResortsREITsSEC FORM 4 Code A—11,612 at $0.00filing
20 Mar 2025filed 21 Mar 2025FLNC Fluence Energyoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—11,341 at $0.00filing
20 Mar 2025filed 21 Mar 2025FLNC Fluence EnergyElectronic Components & EMSSEC FORM 4 Code M—11,341filing

News

Comfort Systems USA (FIX) Set to Announce Quarterly Earnings on ThursdayFIX · dailypolitical.com · 20 Oct 2026

0 headlines in the last 90 days name Herman E. Bulls; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.

Sectors

Industrials17
Technology9
Materials1

Buys in green, sells in red, by the company’s sector.

Related people

Mary BaglivoDirector · Director at Host Hotels & Resorts, filing Form 4 there in the last year
Gordon H. SmithDirector · Director at Host Hotels & Resorts, filing Form 4 there in the last year
A. William SteinDirector · Director at Host Hotels & Resorts, filing Form 4 there in the last year
Mary Hogan PreusseDirector · Director at Host Hotels & Resorts, filing Form 4 there in the last year
Diana LaingDirector · Director at Host Hotels & Resorts, filing Form 4 there in the last year
Harald von HeynitzDirector · Also traded FLNC in the last 90 days
Brian E. LaneDirector · Also traded FIX in the last 90 days
Pierre E. CohadeDirector · Also traded JCI in the last 90 days