InsidersTradesSigma
Total declarations
Companies
▲ Purchases (9 ops.)
▼ Sales (4 ops.)
Insider track record
Board DirectorDisclosed buys
9
Disclosed sells
4
T+90 hit rate
43%
T+90 mean return
-4.7%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by BULLS HERMAN E, Director. Insider active across 4 companies, notably Comfort Systems USA INC. Aggregated, 31 reports have been recorded. Split: 9 buys · 4 sells. Total volume traded: €5.2m. Activity tracked since 18 May 2021. The latest transaction was disclosed on 20 May 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations31 total
8,520 shares0Common StockSEC:0001070750-26-000097:0
342 shares0Common StockSEC:0001415889-25-013752:0
11,612 shares0Common StockSEC:0001070750-25-000108:0
11,341 sharesClass A Common StockSEC:0001868941-25-000046:0
10,000 shares@ US$5.4094.2% of flowClass A Common StockSEC:0001868941-25-000029:0
Ideal exit: 30 Nov 2025 (T+270)
30,000 shares@ US$6.5315.5% of flowClass A Common StockSEC:0001868941-25-000019:0
Ideal exit: 10 Nov 2025 (T+270)
10,000 shares@ US$15.56812.2% of flowClass A Common StockSEC:0001868941-24-000095:0
Ideal exit: 19 Sept 2025 (T+270)
10,000 shares@ US$16.81412.5% of flowClass A Common StockSEC:0001868941-24-000061:0
Ideal exit: 10 May 2025 (T+270)
3,500 shares@ US$337.414727.4% of flowCommon StockSEC:0001415889-24-013784:0
9,740 shares0Common StockSEC:0001070750-24-000142:0
10,926 sharesClass A Common StockSEC:0001868941-24-000024:0
3,500 shares@ US$319.951426.0% of flowCommon StockSEC:0001415889-24-006771:0
5,900 shares0Common StockSEC:0001415889-23-012500:0
9,221 shares0Common StockSEC:0001070750-23-000092:0
1,065 shares0Common StockSEC:0001415889-23-008185:0
7,364 sharesClass A Common StockSEC:0001868941-23-000033:0
8,500 shares@ US$123.0026.3% of flowCommon StockSEC:0001415889-22-011317:0
3,571 sharesClass A Common StockSEC:0001104659-22-113517:0
8,000 shares@ US$103.4420.2% of flowCommon StockSEC:0001415889-22-008615:0
5,742 sharesCommon stockSEC:0001283630-22-000176:0
10,000 shares@ US$9.61750.0023% mcap13.2% of flowClass A Common StockSEC:0001868941-22-000036:0
Ideal exit: 20 Feb 2023 (T+270)
8,226 shares0Common StockSEC:0001070750-22-000087:0
1,869 shares0Common StockSEC:0001415889-22-005321:0
4,000 shares@ US$13.290.0012% mcap6.9% of flowClass A Common StockSEC:0001104659-22-026837:0
Ideal exit: 12 Nov 2022 (T+270)
5,000 shares@ US$12.71090.0015% mcap8.3% of flowClass A Common StockSEC:0001104659-22-026268:0
Ideal exit: 15 Nov 2022 (T+270)
25 of 31 declarations
About BULLS HERMAN E
Herman E. Bulls is a Board Member at Comfort Systems USA Inc, Host Hotels & Resorts, Inc., and Fluence Energy, Inc. He plays a key role in overseeing the operations and strategic decisions of these companies. Bulls brings expertise in management and business development, contributing to the innovation and growth of his organizations. His experience allows him to provide valuable insights to the boards.
