InsidersTradesSigma
Total declarations
Company
▲ Purchases (4 ops.)
▼ Sales (1 ops.)
Insider track record
CEODisclosed buys
4
Disclosed sells
1
T+90 hit rate
25%
T+90 mean return
+0.5%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by Brilliant Heather e, Chief Executive Officer. Director active across 1 company, notably Diamond Hill Investment Group INC. Cumulatively, 19 disclosures have been logged. Breakdown: 4 buys · 1 sell. Total volume traded: €180k. Activity tracked since 30 June 2021. The latest transaction was disclosed on 22 April 2026 (Disposition). Regulator: SEC (Form 4). All data is free.
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Declarations19 total
66,680 shares@ US$175.002.40% mcap84.7% of flowCommonSEC:0000950103-26-006046:0
473 shares@ US$175.000.017% mcap0.6% of flowCommonSEC:0000950103-26-006046:1
2,809 shares@ US$172.103.4% of flowCommonSEC:0001193125-26-143114:0
27,528 shares0CommonSEC:0001787213-25-000006:0
167 shares@ US$121.411.1% of flowCommonSEC:0001787213-25-000004:0
8,550 shares0CommonSEC:0001787213-25-000002:0
1,567 shares0CommonSEC:0001787213-24-000012:0
9,850 shares@ US$161.6183.2% of flowCommonSEC:0001787213-24-000010:0
250 shares@ US$139.381.9% of flowCommonSEC:0001787213-24-000006:0
Canonical exit: 25 Sept 2024 (T+90)
156 shares@ US$131.041.1% of flowCommonSEC:0001787213-24-000004:0
6,516 shares0CommonSEC:0001787213-24-000002:0
325 shares@ US$149.482.7% of flowCommonSEC:0001787213-23-000006:0
Canonical exit: 31 Jan 2024 (T+90)
135 shares@ US$164.581.2% of flowCommonSEC:0001787213-23-000002:0
3,918 shares0CommonSEC:0000909108-23-000017:0
297 shares@ US$187.300.011% mcap32.5% of flowCommonSEC:0000909108-22-000052:0
301 shares@ US$171.480.4% of flowCommonSEC:0000909108-22-000050:0
Canonical exit: 27 Jul 2022 (T+90)
297 shares@ US$187.300.4% of flowCommonSEC:0000909108-22-000029:0
4,244 shares0CommonSEC:0000909108-22-000012:0
21 shares@ US$142.210.0% of flowCommonSEC:0000909108-21-000053:0
Canonical exit: 28 Sept 2021 (T+90)
19 of 19 declarations
About Brilliant Heather e
BRILLIANT HEATHER E is Directeur Général and Chief Executive Officer of Diamond Hill Investment Group INC. There are 19 filings in total, and across the sampled recent filings the period runs from 2021-07-01 to 2026-04-22, with EUR 130084 in buys and EUR 10089312 in sells; the modal transaction nature is Attribution.
