Form 4 Tracker
Rubrik, Inc.
RBRK

46 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 13, 2025Jun 14 12:21 AMBCV 2019-MD Primary, L.P.
Proposed Sale
11,667$88.74$1.0M—

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Jun 5, 2025Jun 5 8:22 PMBRIAN MCCARTHY
Proposed Sale
62,500$98.54$6.2M—

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Jun 5, 2025Jun 5 8:21 PMKIRAN KUMAR CHOUDARY
Proposed Sale
47,000$98.54$4.6M—

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May 13, 2025May 13 8:44 PMKIRAN KUMAR CHOUDARY
Proposed Sale
42,000$78.61$3.3M—

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May 13, 2025May 13 8:27 PMBRIAN MCCARTHY
Proposed Sale
87,500$78.61$6.9M—

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May 5, 2025May 5 9:24 PMArvind Nithrakashyap
Proposed Sale
194,897$74.67$14.6M—

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May 5, 2025May 5 8:38 PMYVONNE WASSENAAR
Proposed Sale
6,000$73.33$440.0K—

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May 1, 2025May 1 8:29 PMJOHN AND SANDRA THOMPSON TRUST
Proposed Sale
27,027$70.53$1.9M—

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Apr 16, 2025Apr 16 8:24 PMKIRAN KUMAR CHOUDARY
Proposed Sale
33,000$63.31$2.1M—

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Apr 15, 2025Apr 15 10:17 PMLightspeed Management Company, L.L.C.
Proposed Sale
13,213$62.98$832.2K—

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Feb 3, 2025Apr 8 8:56 PMArvind Nithrakashyap
Proposed Sale
292,360$53.02$15.5M—

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Apr 1, 2025Apr 1 8:16 PMGREYLOCK MANAGEMENT CORPORATION
Proposed Sale
36,418$60.29$2.2M—

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Mar 21, 2025Mar 21 6:03 PMBrian K. McCarthy
Proposed Sale
88,055$70.19$6.2M—

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Mar 21, 2025Mar 21 6:01 PMKiran Kumar Choudary
Proposed Sale
91,133$70.19$6.4M—

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Mar 3, 2025Mar 3 9:14 PMBRIAN MCCARTHY
Proposed Sale
100,000$65.12$6.5M—

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Feb 3, 2025Feb 3 10:28 PMArvind Nithrakashyap
Proposed Sale
292,360$70.87$20.7M—

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Jan 15, 2025Jan 15 9:18 PMYVONNE WASSENAAR
Proposed Sale
8,000$65.09$520.7K—

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Jan 14, 2025Jan 15 2:05 AMArvind Nithrakashyap
Proposed Sale
227,596$64.90$14.8M—

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Jan 14, 2025Jan 14 9:19 PMJOHN AND SANDRA THOMPSON TRUST
Proposed Sale
36,036$65.05$2.3M—

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Jan 13, 2025Jan 13 9:10 PMGREYLOCK MANAGEMENT CORPORATION
Proposed Sale
36,189$65.04$2.4M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 7, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,000,109(D)

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Oct 6, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,012,929(D)

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Oct 5, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
2,501—10,025,749(D)

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Oct 1, 2026Oct 2 9:50 PMJohn Wendell ThompsonDirector
Conversion
11,000—50,001(D)

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Oct 1, 2026Oct 2 9:50 PMJohn Wendell ThompsonDirector
Option Exercise
11,000$4.3855,946(D)

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Oct 1, 2026Oct 2 9:50 PMJohn Wendell ThompsonDirector
Option Exercise
11,000—61,001(D)

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Sep 25, 2026Sep 26 12:41 AMBipul SinhaDirector, Chairman of the Board and CEO, 10% Owner
Other (J)
500,000—500,000(I)

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Sep 24, 2026Sep 26 12:41 AMBipul SinhaDirector, Chairman of the Board and CEO, 10% Owner
Conversion
555,000—10,679,839(D)

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Sep 15, 2026Sep 18 1:14 AMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
4,000$7.9911,450(D)

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Sep 15, 2026Sep 18 1:14 AMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
4,000—4,000(D)

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Sep 15, 2026Sep 18 1:14 AMKiran Kumar ChoudaryChief Financial Officer
Conversion
4,000—0(D)

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Sep 10, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,028,250(D)

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Sep 9, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,041,070(D)

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Sep 8, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,053,890(D)

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Sep 3, 2026Sep 4 1:05 AMYvonne WassenaarDirector
Conversion
513—32,603(D)

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Sep 1, 2026Sep 4 12:22 AMJohn Wendell ThompsonDirector
Conversion
11,000—50,001(D)

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Sep 1, 2026Sep 4 12:22 AMJohn Wendell ThompsonDirector
Option Exercise
11,000—61,001(D)

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Sep 1, 2026Sep 4 12:22 AMJohn Wendell ThompsonDirector
Option Exercise
11,000$4.3866,946(D)

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Aug 24, 2026Aug 25 8:15 PMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
4,000$7.9915,450(D)

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Aug 24, 2026Aug 25 8:15 PMKiran Kumar ChoudaryChief Financial Officer
Conversion
4,000—0(D)

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