Denis O Leary Net Worth - Insider Trades and Bio as of Jun 28, 2026

CRWDCrowdStrike Holdings, Inc.SEC CIK: 0001253512

Estimated Net Worth

$153 Million

Last Updated: May 19, 2026 11:12 PM EST

Transaction Summary

Total Transactions140

Buy-Sell Ratio0.25

Buy Transactions6

Sell Transactions24

Transaction Volume

Total Volume-$77.88M

Net Volume$88.35M

Buy Volume$5.23M

Sell Volume-$83.11M

Trade Analysis

AVG Trade Size-$521.21K

Largest Trade$1.56M

Most Active MonthDec

Most Active Year2020

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Denis Oleary has an estimated net worth of $153 Million. This is based on reported shares across multiple companies, which include FISERV INC, CrowdStrike Holdings, Inc., and McAfee, Inc..

2020 was Denis Oleary's most active year for acquiring shares with 24 total transactions. Denis Oleary's most active month to acquire stocks was the month of November. 2020 was Denis Oleary's most active year for disposing of shares, totalling 84 transactions. Denis Oleary's most active month to dispose stocks was the month of November. 2021 saw Denis Oleary paying a total of $5,136,991.44 for 58,155 shares, this is the most they've acquired in one year. In 2019 Denis Oleary cashed out on 1,369,456 shares for a total of $18,678,478.24, their largest year based on trade value.

Holdings & Transactions

CRWDcrowdstrike holdings, inc.

Updated: Mar 27, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.12	5.85K	—	—	Mar 27, 2026	88.36K	Grant	—	Mar 25	View
From 4	0.00	34.00	—	—	Mar 23, 2026	94.21K	Grant	—	Mar 20	View
From 4	0.00	29.00	—	—	Dec 22, 2025	94.18K	Grant	—	Dec 19	View
From 4	-0.24	7.75K	$515.44	-$3.99M	Dec 08, 2025	94.15K	Sale	—	Dec 05	View
From 4	0.00	24.00	—	—	Sep 23, 2025	101.90K	Grant	—	Sep 19	View
From 4	0.02	584.00	—	—	Jun 23, 2025	101.87K	Grant	—	Jun 18 - 20	View
From 4	-0.23	15.68K	$468.93	-$7.35M	Jun 10, 2025	101.29K	Sale	—	Jun 09	View
From 4	—	—	—	—	Mar 25, 2025	116.97K	Grant	—	Mar 21 - 25	View
From 4	0.00	30.00	—	—	Mar 21, 2025	116.97K	Grant	—	Mar 20	View
From 4	0.00	31.00	—	—	Dec 23, 2024	116.94K	Grant	—	Dec 20	View
From 4	—	—	—	—	Dec 13, 2024	116.91K	Options	—	Dec 11	View
From 4	-0.21	17.53K	$362.75	-$6.36M	Dec 06, 2024	116.91K	Sale	—	Dec 04	View
From 4	0.01	40.00	—	—	Sep 23, 2024	63.27K	Grant	—	Sep 20	View
From 4	0.11	673.00	—	—	Jun 20, 2024	63.23K	Grant	—	Jun 18 - 20	View
From 4	—	48.16K	$381.45	-$2.02M	Jun 20, 2024	62.56K	Sale	—	Apr 19 - 10	View
From 4	—	—	—	—	Mar 28, 2024	71.17K	Grant	—	Mar 27	View
From 4	0.01	38.00	—	—	Mar 21, 2024	14.39K	Grant	—	Mar 20	View
From 4	0.01	49.00	—	—	Dec 21, 2023	14.36K	Grant	—	Dec 20	View
From 4	-0.10	4.04K	$238.40	-$962.83K	Dec 08, 2023	85.48K	Sale	—	Dec 07	View
From 4	0.01	76.00	—	—	Sep 22, 2023	15.74K	Grant	—	Sep 20	View
From 4	0.46	1.82K	—	—	Jun 22, 2023	15.66K	Grant	—	Jun 20 - 21	View
From 4	-0.14	3.64K	—	—	Apr 04, 2023	87.62K	Options	—	Apr 03	View
From 4	—	—	—	—	Mar 28, 2023	77.42K	Grant	—	Mar 27	View
From 4	0.02	94.00	—	—	Mar 22, 2023	13.84K	Grant	—	Mar 20	View
From 4	-0.49	39.45K	$109.00	-$4.30M	Dec 21, 2022	91.17K	Sale	—	Dec 19	View
From 4	0.51	1.31K	—	—	Jul 01, 2022	37.99K	Grant	—	Jun 29	View
From 4	—	—	—	—	Mar 25, 2022	92.63K	Grant	—	Mar 23	View
From 4	-1.00	218.25K	—	—	Jan 10, 2022	129.31K	Options	—	Jan 06	View
From 4	-0.26	29.12K	$199.19	-$4.76M	Dec 14, 2021	347.56K	Sale	—	Dec 10 - 13	View
From 4	0.45	795.00	—	—	Jul 02, 2021	376.68K	Grant	—	Jun 30	View
From 4	—	—	—	—	Dec 11, 2020	375.89K	Options	—	Dec 09	View
From 4	-0.20	19.40K	—	—	Dec 08, 2020	375.89K	Options	—	Dec 04	View
From 4	-0.21	25.00K	$148.21	-$3.71M	Dec 03, 2020	395.29K	Sale	—	Dec 01	View
From 4	-0.17	25.00K	$124.28	-$3.11M	Nov 04, 2020	420.29K	Sale	—	Nov 02	View
From 4	-0.15	25.00K	$143.37	-$3.58M	Oct 05, 2020	445.29K	Sale	—	Oct 01	View
From 4	-0.13	25.00K	$138.39	-$3.46M	Sep 03, 2020	470.29K	Sale	—	Sep 01	View
From 4	-0.11	25.00K	$114.59	-$2.86M	Aug 05, 2020	495.29K	Sale	—	Aug 03	View
From 4	—	1.78K	—	—	Jul 08, 2020	1.79K	Grant	—	Jul 06	View
From 4	-0.10	25.00K	$101.92	-$2.55M	Jul 06, 2020	518.50K	Sale	—	Jul 01	View
From 4	-0.19	56.95K	—	—	Jun 09, 2020	543.50K	Options	—	Jun 05	View
From 4	-0.08	25.00K	$94.56	-$2.36M	Jun 03, 2020	600.45K	Sale	—	Jun 01	View
From 4	-0.07	25.00K	$68.72	-$1.72M	May 05, 2020	625.45K	Sale	—	May 01	View
From 4	-0.07	25.00K	$54.94	-$1.37M	Apr 03, 2020	650.45K	Sale	—	Apr 01	View
From 4	-0.11	45.05K	—	—	Mar 26, 2020	675.45K	Options	—	Mar 24	View
From 4	-0.05	24.00K	$59.49	-$1.43M	Mar 04, 2020	720.50K	Sale	—	Mar 02	View
From 4	-0.05	24.00K	$60.69	-$1.46M	Feb 05, 2020	744.50K	Sale	—	Feb 03	View
From 4	-0.04	18.00K	—	—	Jan 13, 2020	768.50K	Options	—	Jan 09 - 10	View
From 4	-0.07	36.00K	—	—	Jan 09, 2020	786.50K	Options	—	Jan 07 - 09	View
From 4	-0.04	24.00K	$50.18	-$1.20M	Jan 06, 2020	822.50K	Sale	—	Jan 02	View
From 4	-0.02	21.00K	—	—	Dec 31, 2019	846.50K	Options	—	Dec 27 - 30	View
From 4	-0.29	350.00K	$50.03	-$17.51M	Dec 11, 2019	867.50K	Sale	Scheduled	Dec 09	View
From 4	—	—	—	—	Jun 18, 2019	1.22M	Options	—	Jun 14	View
From 3	—	—	—	—	Jun 11, 2019	—	—	—	—	View

FIfiserv inc

Updated: Apr 04, 2022VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.01	415.00	$101.40	$42.08K	Apr 04, 2022	39.97K	Grant	—	Mar 31	View
From 4	0.01	405.00	$103.79	$42.03K	Jan 03, 2022	39.55K	Grant	—	Dec 31	View
From 4	0.10	10.40K	$95.99	$998.30K	Nov 23, 2021	115.57K	Purchase	—	Nov 23	View
From 4	0.18	15.70K	$99.35	$1.56M	Nov 03, 2021	105.17K	Purchase	—	Nov 01	View
From 4	0.01	388.00	$108.50	$42.10K	Oct 01, 2021	39.15K	Grant	—	Sep 30	View
From 4	0.16	12.50K	$111.28	$1.39M	Aug 12, 2021	89.47K	Purchase	—	Aug 11	View
From 4	0.01	425.00	$106.89	$45.43K	Jul 02, 2021	38.76K	Grant	—	Jun 30	View
From 4	0.03	2.50K	—	—	May 21, 2021	76.97K	Grant	—	May 19	View
From 4	0.01	406.00	$119.04	$48.33K	Apr 02, 2021	38.33K	Grant	—	Mar 31	View
From 4	0.14	9.10K	$110.99	$1.01M	Feb 17, 2021	74.48K	Purchase	—	Feb 16	View
From 4	0.00	320.00	—	—	Jan 25, 2021	65.38K	Grant	—	Jan 22	View
From 4	—	—	$16.18	$344.45K	Dec 14, 2020	65.06K	Options	—	Dec 11	View
From 4	0.07	2.69K	—	—	May 18, 2020	43.77K	Grant	—	May 14	View
From 4	0.01	311.00	$94.99	$29.54K	Apr 02, 2020	37.93K	Grant	—	Mar 31	View
From 4	0.01	256.00	$115.63	$29.60K	Jan 03, 2020	37.62K	Grant	—	Dec 31	View
From 4	0.02	647.00	—	—	Nov 21, 2019	41.08K	Grant	—	Nov 19	View
From 4	0.01	285.00	$103.59	$29.52K	Oct 01, 2019	37.36K	Grant	—	Sep 30	View
From 4	0.01	324.00	$91.16	$29.54K	Jul 01, 2019	37.08K	Grant	—	Jun 30	View
From 4	0.06	2.14K	—	—	May 23, 2019	40.43K	Grant	—	May 22	View
From 4	0.01	335.00	$88.28	$29.57K	Apr 02, 2019	36.75K	Grant	—	Mar 31	View
From 4	-0.26	13.73K	$48.35	-$1.01M	Mar 01, 2019	38.29K	Sale	—	Feb 28	View
From 4	0.01	402.00	$73.49	$29.54K	Jan 03, 2019	36.42K	Grant	—	Dec 31	View
From 4	0.01	359.00	$82.38	$29.57K	Oct 02, 2018	36.01K	Grant	—	Sep 30	View
From 4	0.01	399.00	$74.09	$29.56K	Jul 02, 2018	35.66K	Grant	—	Jun 30	View
From 4	0.08	2.67K	—	—	May 24, 2018	106.53K	Grant	—	May 23	View
From 4	0.01	414.00	$71.31	$29.52K	Apr 02, 2018	35.26K	Grant	—	Mar 31	View
From 4	-0.41	12.16K	$81.66	-$1.58M	Feb 21, 2018	17.81K	Sale	—	Feb 16	View
From 4	0.01	225.00	$131.13	$29.50K	Jan 03, 2018	17.42K	Grant	—	Dec 31	View
From 4	0.01	229.00	$128.96	$29.53K	Oct 02, 2017	17.20K	Grant	—	Sep 30	View
From 4	0.01	230.00	$122.34	$28.14K	Jul 03, 2017	16.97K	Grant	—	Jun 30	View
From 4	0.13	2.85K	—	—	May 25, 2017	24.45K	Grant	—	May 24	View
From 4	0.01	235.00	$115.31	$27.10K	Apr 04, 2017	16.74K	Grant	—	Mar 31	View
From 4	-0.29	8.65K	$67.67	-$733.91K	Feb 16, 2017	21.61K	Sale	—	Feb 14	View
From 4	0.02	255.00	$106.28	$27.10K	Jan 04, 2017	16.50K	Grant	—	Dec 31	View
From 4	0.02	272.00	$99.47	$27.06K	Oct 03, 2016	16.25K	Grant	—	Sep 30	View
From 4	0.02	249.00	$108.73	$27.07K	Jul 01, 2016	15.98K	Grant	—	Jun 30	View
From 4	0.17	3.43K	—	—	May 19, 2016	24.20K	Grant	—	May 18	View
From 4	0.02	264.00	$102.58	$27.08K	Apr 01, 2016	15.73K	Grant	—	Mar 31	View
From 4	0.02	296.00	$91.46	$27.07K	Jan 05, 2016	15.46K	Grant	—	Dec 31	View
From 4	0.02	312.00	$86.61	$27.02K	Oct 01, 2015	15.17K	Grant	—	Sep 30	View
From 4	0.02	248.00	$82.83	$20.54K	Jul 01, 2015	14.85K	Grant	—	Jun 30	View
From 4	0.22	4.36K	—	—	May 21, 2015	24.07K	Grant	—	May 20	View
From 4	0.02	259.00	$79.40	$20.56K	Apr 01, 2015	14.61K	Grant	—	Mar 31	View
From 4	0.02	289.00	$70.97	$20.51K	Jan 05, 2015	14.35K	Grant	—	Dec 31	View
From 4	0.02	318.00	$64.64	$20.55K	Oct 01, 2014	14.06K	Grant	—	Sep 30	View
From 4	0.03	340.00	$60.32	$20.51K	Jul 01, 2014	13.74K	Grant	—	Jun 30	View
From 4	-0.15	3.60K	—	—	Jun 10, 2014	19.71K	Disposition	—	Jun 06	View
From 4	0.21	4.72K	—	—	May 30, 2014	26.86K	Grant	—	May 28	View
From 4	0.03	362.00	$56.69	$20.52K	Apr 02, 2014	13.40K	Grant	—	Mar 31	View
From 4	0.03	348.00	$59.05	$20.55K	Jan 02, 2014	74.03K	Grant	—	Dec 31	View
From 4	0.03	203.00	$101.05	$20.51K	Oct 01, 2013	6.35K	Grant	—	Sep 30	View
From 4	0.04	235.00	$87.41	$20.54K	Jul 01, 2013	6.14K	Grant	—	Jun 30	View
From 4	0.32	3.30K	—	—	May 23, 2013	13.59K	Grant	—	May 22	View
From 4	0.04	234.00	$87.86	$20.56K	Apr 02, 2013	5.91K	Grant	—	Mar 31	View
From 4	0.05	260.00	$79.03	$20.55K	Jan 02, 2013	5.67K	Grant	—	Dec 31	View
From 4	0.05	277.00	$74.03	$20.51K	Oct 01, 2012	5.41K	Grant	—	Sep 30	View
From 4	0.06	284.00	$72.22	$20.51K	Jul 02, 2012	5.14K	Grant	—	Jun 30	View
From 4	0.39	3.63K	—	—	May 24, 2012	13.01K	Grant	—	May 23	View
From 4	0.06	296.00	$69.39	$20.54K	Apr 02, 2012	4.85K	Grant	—	Mar 31	View
From 4	0.08	349.00	$58.74	$20.50K	Jan 04, 2012	4.56K	Grant	—	Dec 31	View
From 4	0.09	355.00	$50.77	$18.02K	Oct 03, 2011	4.21K	Grant	—	Sep 30	View
From 4	0.08	287.00	$62.63	$17.97K	Jul 01, 2011	3.85K	Grant	—	Jun 30	View
From 4	0.42	3.56K	—	—	May 26, 2011	11.98K	Grant	—	May 25	View
From 4	0.09	287.00	$62.72	$18.00K	Apr 04, 2011	3.57K	Grant	—	Mar 31	View
From 4	0.66	4.72K	—	—	May 28, 2010	11.86K	Grant	—	May 26	View
From 4	0.13	371.00	$48.48	$17.99K	Jan 04, 2010	3.28K	Grant	—	Dec 31	View
From 4	0.15	373.00	$48.20	$17.98K	Oct 02, 2009	2.91K	Grant	—	Sep 30	View
From 4	0.18	394.00	$45.71	$18.01K	Jul 02, 2009	2.53K	Grant	—	Jun 30	View
From 4	—	2.14K	$42.05	$89.99K	Jul 02, 2009	2.14K	Grant	—	Mar 31 - 31	View
From 4	0.93	5.28K	—	—	May 22, 2009	10.96K	Grant	—	May 20	View
From 4	2.38	4.00K	$33.26	$133.04K	Feb 26, 2009	5.68K	Purchase	—	Feb 24	View
From 4	8.38	4.24K	—	—	May 22, 2008	4.74K	Grant	—	May 21	View
From 4	—	1.77K	—	—	Jan 23, 2008	1.77K	Grant	—	Jan 21	View
From 3	—	—	—	—	Jan 23, 2008	—	—	—	—	View

mcafee, inc.

Updated: Mar 02, 2011

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-1.00	19.04K	—	—	Mar 02, 2011	—	Disposition	—	Feb 28	View
From 4	-0.28	157.10K	$35.24	-$3.72M	Dec 06, 2010	405.11K	Sale	—	Dec 02	View
From 4	0.09	14.04K	—	—	Jun 21, 2010	176.14K	Grant	—	Jun 17	View
From 4	0.05	7.10K	—	—	Apr 29, 2009	162.10K	Grant	—	Apr 27	View
From 4/A	—	5.00K	$28.19	$140.94K	Mar 05, 2009	5.00K	Purchase	—	Feb 24	View
From 4	—	5.00K	$28.19	$140.94K	Feb 25, 2009	5.00K	Grant	—	Feb 24	View
From 4	0.11	15.00K	—	—	Jul 17, 2008	150.00K	Grant	—	Jul 15	View
From 4	—	20.00K	—	—	Jul 17, 2007	20.00K	Grant	—	Jul 15	View
From 4	—	90.00K	$18.22	$1.54M	Dec 27, 2006	90.00K	Grant	—	Jul 15 - 14	View
From 4	—	20.00K	$23.00	$460.00K	Jul 18, 2006	20.00K	Grant	—	Jul 17	View
From 4	—	25.00K	$29.36	$734.00K	Jul 18, 2005	25.00K	Grant	—	Jul 15	View
From 4	—	25.00K	$16.75	$418.75K	Jul 19, 2004	25.00K	Grant	—	Jul 16	View
From 3	—	—	—	—	Jul 21, 2003	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions