InsidersTradesSigma
Total declarations
Companies
▲ Purchases (3 ops.)
▼ Sales (18 ops.)
Insider track record
Board DirectorDisclosed buys
3
Disclosed sells
18
T+90 hit rate
100%
T+90 mean return
+2.6%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Oleary Denis, Director. Director active across 2 companies, notably FISERV INC. Aggregated, 51 disclosures have been logged. Split: 3 buys · 18 sells. Total volume traded: €19.5m. Activity tracked since 19 May 2021. The latest transaction was filed on 13 July 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Oleary Denis
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations51 total
14,500 shares@ US$187.870.0013% mcap14.9% of flowClass A common stockSEC:0001253512-26-000013:0
49,500 shares0Class A common stockSEC:0001253512-26-000011:0
49,500 shares0Class A common stockSEC:0001253512-26-000011:1
402 sharesClass A common stockSEC:0001253512-26-000009:0
20 sharesClass A common stockSEC:0001253512-26-000009:1
2,801 shares@ US$684.180.0009% mcap14.5% of flowClass A common stockSEC:0001253512-26-000007:0
1,862 shares@ US$685.200.0006% mcap9.7% of flowClass A common stockSEC:0001253512-26-000007:1
828 shares@ US$685.990.0003% mcap4.3% of flowClass A common stockSEC:0001253512-26-000007:2
787 shares@ US$687.440.0003% mcap4.1% of flowClass A common stockSEC:0001253512-26-000007:3
972 shares@ US$688.400.0003% mcap5.1% of flowClass A common stockSEC:0001253512-26-000007:4
2,278 shares@ US$684.180.0008% mcap11.8% of flowClass A common stockSEC:0001253512-26-000007:5
1,520 shares@ US$685.200.0005% mcap7.9% of flowClass A common stockSEC:0001253512-26-000007:6
763 shares@ US$686.070.0003% mcap4.0% of flowClass A common stockSEC:0001253512-26-000007:7
564 shares@ US$687.530.0002% mcap2.9% of flowClass A common stockSEC:0001253512-26-000007:8
875 shares@ US$688.400.0003% mcap4.6% of flowClass A common stockSEC:0001253512-26-000007:9
2,293 shares@ US$684.180.0008% mcap11.9% of flowClass A common stockSEC:0001253512-26-000007:10
1,583 shares@ US$685.200.0005% mcap8.2% of flowClass A common stockSEC:0001253512-26-000007:11
797 shares@ US$688.400.0003% mcap4.2% of flowClass A common stockSEC:0001253512-26-000007:14
763 shares@ US$686.070.0003% mcap4.0% of flowClass A common stockSEC:0001253512-26-000007:12
564 shares@ US$687.530.0002% mcap2.9% of flowClass A common stockSEC:0001253512-26-000007:13
6,967 shares0Class A common stockSEC:0001253512-26-000005:0
34 shares0Class A common stockSEC:0001253512-26-000002:0
29 shares0Class A common stockSEC:0001253512-25-000010:0
3,397 shares@ US$515.3111.0% of flowClass A common stockSEC:0001253512-25-000008:0
24 shares0Class A common stockSEC:0001253512-25-000006:0
25 of 51 declarations
About Oleary Denis
OLEARY DENIS is Administrateur at CrowdStrike Holdings, Inc. and FISERV INC. Across 50 filings in total, the 50 most recent filings we hold cover the period from 2021-05-21 to 2026-07-08, with buys of EUR 3422331 and sells of EUR 13657853, and the most frequent transaction nature is Attribution.
