Form 4 Tracker
Rubrik, Inc.
RBRK

46 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 7, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$124.14$1.6M272,538(D)

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Oct 6, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$126.17$1.6M272,538(D)

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Oct 5, 2026Oct 7 10:55 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$122.64$1.6M272,538(D)

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Oct 5, 2026Oct 6 9:31 PMYvonne WassenaarDirector
Sale
721$119.00$85.8K2,988(D)

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Oct 1, 2026Oct 2 9:50 PMJohn Wendell ThompsonDirector
Sale
13,500$115.69$1.6M8,362(I)

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Sep 25, 2026Sep 25 11:19 PMBipul Sinha
Proposed Sale
500,000$113.80$56.9M—

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Sep 17, 2026Sep 18 1:14 AMKiran Kumar ChoudaryChief Financial Officer
Sale
6,000$107.32$643.9K958,078(D)

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Sep 15, 2026Sep 18 1:14 AMKiran Kumar ChoudaryChief Financial Officer
Sale
4,000$101.05$404.2K978,073(D)

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Sep 10, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$90.41$1.2M293,293(D)

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Sep 9, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$90.46$1.2M293,293(D)

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Sep 8, 2026Sep 11 12:46 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$91.33$1.2M293,293(D)

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Sep 8, 2026Sep 8 11:21 PMArvind Nithrakashyap
Proposed Sale
128,200$91.63$11.7M—

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Sep 3, 2026Sep 4 1:05 AMYvonne WassenaarDirector
Sale
721$89.52$64.5K3,709(D)

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Sep 1, 2026Sep 4 12:22 AMJohn Wendell ThompsonDirector
Sale
13,500$89.03$1.2M8,362(I)

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Sep 3, 2026Sep 3 8:39 PMYVONNE WASSENAAR
Proposed Sale
2,163$87.18$188.6K—

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Aug 24, 2026Aug 25 8:15 PMKiran Kumar ChoudaryChief Financial Officer
Sale
10,000$98.32$983.2K978,073(D)

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Aug 5, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$83.71$1.1M293,293(D)

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Aug 4, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$79.81$1.0M293,293(D)

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Aug 3, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$74.04$949.2K293,293(D)

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Aug 3, 2026Aug 4 11:00 PMJohn Wendell ThompsonDirector
Sale
13,500$74.10$1.0M8,362(I)

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Page 1 of 7

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 24, 2026Aug 25 8:15 PMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
4,000—4,000(D)

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Aug 5, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,066,710(D)

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Aug 4, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,079,530(D)

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Aug 3, 2026Aug 5 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
2,502—10,092,350(D)

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Aug 3, 2026Aug 4 11:00 PMJohn Wendell ThompsonDirector
Option Exercise
11,000—61,001(D)

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Aug 3, 2026Aug 4 11:00 PMJohn Wendell ThompsonDirector
Conversion
11,000—50,001(D)

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Aug 3, 2026Aug 4 11:00 PMJohn Wendell ThompsonDirector
Option Exercise
11,000$4.3877,946(D)

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Jul 15, 2026Jul 16 9:13 PMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
12,000$7.9919,450(D)

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Jul 15, 2026Jul 16 9:13 PMKiran Kumar ChoudaryChief Financial Officer
Conversion
12,000—0(D)

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Jul 15, 2026Jul 16 9:13 PMKiran Kumar ChoudaryChief Financial Officer
Option Exercise
12,000—12,000(D)

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Jul 10, 2026Jul 14 8:15 PMMhatre RaviDirector
Conversion
2,381,353—518,008(I)

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Jul 8, 2026Jul 8 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,094,852(D)

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Jul 7, 2026Jul 8 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,107,672(D)

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Jul 6, 2026Jul 8 11:01 PMArvind NithrakashyapDirector, Chief Technology Officer
Conversion
12,820—10,120,492(D)

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Jul 1, 2026Jul 1 11:37 PMJohn Wendell ThompsonDirector
Conversion
11,000—50,001(D)

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Jul 1, 2026Jul 1 11:37 PMJohn Wendell ThompsonDirector
Option Exercise
11,000—61,001(D)

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Jul 1, 2026Jul 1 11:37 PMJohn Wendell ThompsonDirector
Option Exercise
11,000$4.3888,946(D)

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Jun 24, 2026Jun 26 10:46 PMMhatre RaviDirector
Conversion
2,381,353—777,013(I)

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Jun 3, 2026Jun 4 1:41 AMYvonne WassenaarDirector
Conversion
721—33,116(D)

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Jun 1, 2026Jun 4 1:40 AMJohn Wendell ThompsonDirector
Option Exercise
11,000$4.3899,946(D)

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