Denis O'Leary sold CrowdStrike Holdings ($CRWD) shares on the open market 12 times over the past year, for a total of $11.3 million. His most recent sale occurred on December 5, 2025. These transactions rank 1024th among 11,678 insiders, surpassing the average sale value of $8.6 million across 6.4 transactions. O'Leary made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 25, 2026 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 6967 | $0.00 | 94,210.0000 | 252,098,440 | 6.89% | 0.00% |
| March 25, 2026 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 5851 | $0.00 | 88,359.0000 | 252,098,440 | 6.21% | 0.00% |
| March 25, 2026 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 6967 | $0.00 | 88,359.0000 | 252,098,440 | 8.56% | 0.00% |
| March 20, 2026 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 34 | $0.00 | 94,210.0000 | 252,098,440 | 0.04% | 0.00% |
| Dec. 19, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 29 | $0.00 | 94,176.0000 | 252,098,440 | 0.03% | 0.00% |
| Dec. 5, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 3397 | $515.31 | 94,625.0000 | 252,098,440 | 3.47% | 0.00% |
| Dec. 5, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 3396 | $515.31 | 94,626.0000 | 252,098,440 | 3.46% | 0.00% |
| Dec. 5, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 478 | $516.33 | 94,147.0000 | 252,098,440 | 0.51% | 0.00% |
| Dec. 5, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 479 | $516.33 | 94,147.0000 | 252,098,440 | 0.51% | 0.00% |
| Sept. 19, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 24 | $0.00 | 101,897.0000 | 247,873,415 | 0.02% | 0.00% |
| June 18, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 561 | $0.00 | 101,850.0000 | 247,873,415 | 0.55% | 0.00% |
| June 20, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 23 | $0.00 | 101,873.0000 | 247,873,415 | 0.02% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1350 | $469.39 | 101,289.0000 | 247,873,415 | 1.32% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1930 | $468.59 | 102,614.0000 | 247,873,415 | 1.85% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1325 | $469.32 | 101,289.0000 | 247,873,415 | 1.29% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 2445 | $468.59 | 102,969.0000 | 247,873,415 | 2.32% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1680 | $469.32 | 101,289.0000 | 247,873,415 | 1.63% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 2850 | $468.76 | 102,639.0000 | 247,873,415 | 2.70% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 2729 | $468.75 | 102,660.0000 | 247,873,415 | 2.59% | 0.00% |
| June 9, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1371 | $469.38 | 101,289.0000 | 247,873,415 | 1.34% | 0.00% |
| March 21, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 6250 | $0.00 | 116,995.0000 | 247,873,415 | 5.07% | 0.00% |
| March 25, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 26 | $0.00 | 116,969.0000 | 247,873,415 | 0.02% | 0.00% |
| March 25, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 26 | $0.00 | 116,969.0000 | 247,873,415 | 0.02% | 0.00% |
| March 21, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 6250 | $0.00 | 116,943.0000 | 247,873,415 | 5.65% | 0.00% |
| March 20, 2025 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 30 | $0.00 | 116,969.0000 | 247,873,415 | 0.03% | 0.00% |
| Dec. 20, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 31 | $0.00 | 116,939.0000 | 0 | 0.03% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class B common stock | 23682 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class B common stock | 19094 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class B common stock | 23893 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class A common stock | 19094 | $0.00 | 116,908.0000 | 0 | 19.52% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class A common stock | 23893 | $0.00 | 116,908.0000 | 0 | 25.69% | 0.00% |
| Dec. 11, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class A common stock | 23682 | $0.00 | 116,908.0000 | 0 | 25.40% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 4400 | $362.76 | 50,239.0000 | 0 | 8.05% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | C | Class A common stock | 4500 | $0.00 | 54,739.0000 | 0 | 8.96% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 4500 | $362.74 | 50,239.0000 | 0 | 8.22% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 4230 | $362.74 | 50,239.0000 | 0 | 7.77% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 4400 | $362.76 | 50,239.0000 | 0 | 8.05% | 0.00% |
| Dec. 4, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | C | Class B common stock | 4500 | $0.00 | 66,669.0000 | 0 | 6.32% | 0.00% |
| Sept. 20, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 40 | $0.00 | 63,269.0000 | 0 | 0.06% | 0.00% |
| June 10, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 2650 | $381.45 | 62,556.0000 | 0 | 4.06% | 0.00% |
| April 22, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | G | Class A common stock | 3471 | $0.00 | 65,206.0000 | 0 | 5.62% | 0.00% |
| June 10, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | S | Class A common stock | 2650 | $381.45 | 62,556.0000 | 0 | 4.06% | 0.00% |
| June 18, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 641 | $0.00 | 63,197.0000 | 0 | 1.02% | 0.00% |
| June 20, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 32 | $0.00 | 63,229.0000 | 0 | 0.05% | 0.00% |
| April 19, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | G | Class A common stock | 24996 | $0.00 | 65,206.0000 | 0 | 62.16% | 0.00% |
| April 19, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Director | G | Class A common stock | 24996 | $0.00 | 61,735.0000 | 0 | 68.04% | 0.00% |
| March 27, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class B common stock | 5913 | $0.00 | 71,169.0000 | 0 | 9.06% | 0.00% |
| March 27, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class B common stock | 5913 | $0.00 | 71,169.0000 | 0 | 7.67% | 0.00% |
| March 20, 2024 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 38 | $0.00 | 14,393.0000 | 0 | 0.26% | 0.00% |
| Dec. 20, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 49 | $0.00 | 14,355.0000 | 0 | 0.34% | 0.00% |
| Dec. 7, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class A common stock | 2610 | $0.00 | 16,916.0000 | 0 | 18.24% | 0.00% |
| Dec. 7, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 2610 | $238.14 | 14,306.0000 | 0 | 15.43% | 0.00% |
| Dec. 7, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | S | Class A common stock | 1430 | $238.66 | 14,306.0000 | 0 | 9.09% | 0.00% |
| Dec. 7, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class B common stock | 2610 | $0.00 | 71,169.0000 | 0 | 3.54% | 0.00% |
| Sept. 20, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 76 | $0.00 | 15,736.0000 | 0 | 0.49% | 0.00% |
| June 20, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 82 | $0.00 | 13,923.0000 | 0 | 0.59% | 0.00% |
| June 21, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 1737 | $0.00 | 15,660.0000 | 0 | 12.48% | 0.00% |
| April 3, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class B common stock | 3642 | $0.00 | 73,779.0000 | 0 | 4.70% | 0.00% |
| April 3, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class A common stock | 3642 | $0.00 | 13,841.0000 | 0 | 20.83% | 0.00% |
| April 3, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | C | Class A common stock | 3642 | $0.00 | 17,483.0000 | 0 | 26.31% | 0.00% |
| March 27, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class B common stock | 11993 | $0.00 | 77,421.0000 | 0 | 13.41% | 0.00% |
| March 27, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | G | Class B common stock | 11993 | $0.00 | 77,421.0000 | 0 | 18.33% | 0.00% |
| March 20, 2023 | CrowdStrike Holdings, Inc. | $CRWD | OLEARY DENIS | Not found | A | Class A common stock | 94 | $0.00 | 13,841.0000 | 0 | 0.68% | 0.00% |