Form 4 Tracker
Rubrik, Inc.
RBRK

46 insider filings · Latest: Oct 5, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 1, 2026Jun 4 1:40 AMJohn Wendell ThompsonDirector
Sale
13,500$84.54$1.1M4,653(I)

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Jun 3, 2026Jun 4 1:39 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$78.89$1.0M314,048(D)

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Jun 2, 2026Jun 4 1:39 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
12,820$82.16$1.1M314,048(D)

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Jun 1, 2026Jun 4 1:39 AMArvind NithrakashyapDirector, Chief Technology Officer
Sale
199,447$84.28$16.8M314,048(D)

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Jun 1, 2026Jun 2 9:35 PMArvind Nithrakashyap
Proposed Sale
302,007$82.33$24.9M—

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May 29, 2026Jun 1 9:46 PMYvonne WassenaarDirector
Sale
2,838$75.00$212.8K2,326(D)

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Jun 1, 2026Jun 1 9:40 PMArvind Nithrakashyap
Proposed Sale
302,007$85.07$25.7M—

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May 29, 2026May 29 8:25 PMYVONNE WASSENAAR
Proposed Sale
5,677$70.32$399.2K—

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May 1, 2026May 4 10:22 PMJohn Wendell ThompsonDirector
Sale
13,500$55.49$749.1K4,653(I)

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May 1, 2026May 1 8:48 PMJOHN AND SANDRA THOMPSON TRUST
Proposed Sale
7,500$53.18$398.9K—

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May 1, 2026May 1 8:48 PMJOHN THOMPSON
Proposed Sale
33,000$53.18$1.8M—

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Apr 7, 2026Apr 8 11:10 PMKiran Kumar ChoudaryChief Financial Officer
Sale
20,000$51.69$1.0M549,901(D)

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Apr 1, 2026Apr 2 11:42 PMJohn Wendell ThompsonDirector
Sale
13,500$48.91$660.3K4,653(I)

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Mar 30, 2026Apr 1 9:00 PMMark D MclaughlinDirector
Purchase
10,638$47.21$502.2K13,639(D)

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Mar 24, 2026Mar 26 11:30 PMArvind NithrakashyapDirector, Chief Technology Officer
Sale
28,967$48.20$1.4M348,668(D)

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Mar 24, 2026Mar 26 11:30 PMKiran Kumar ChoudaryChief Financial Officer
Sale
122,613$48.20$5.9M564,901(D)

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Mar 24, 2026Mar 24 10:51 PMArvind Nithrakashyap
Proposed Sale
29,015$48.77$1.4M—

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Mar 24, 2026Mar 24 10:38 PMKiran Kumar Choudary
Proposed Sale
122,820$48.77$6.0M—

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Mar 2, 2026Mar 4 12:27 AMJohn Wendell ThompsonDirector
Sale
13,500$53.60$723.6K4,653(I)

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Feb 18, 2026Feb 19 10:43 PMKiran Kumar ChoudaryChief Financial Officer
Sale
20,000$54.17$1.1M474,959(D)

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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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