RBRK insider buying and SEC filings, explained
Rubrik, Inc. · CIK 1943896
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Services-Prepackaged Software
- State of incorporation
- DE
- Fiscal year end
- Jan 31
- Former names
- Rubrik, Inc.
Insider activity in the last 12 months
Bought
$502K
Insiders who bought
1
Sold (not marked 10b5-1)
$4.3M
Planned sales (10b5-1)
$58.8M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Nov 2, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $117.27 ($1.6M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 8,362 shares. | SEC filing Filed Nov 3, 2026, 4:45 PM ET |
| Oct 5–7, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 38,460 shares between Oct 5 and Oct 7 at about $124.32 ($4.8M), marked as a 10b5-1 plan trade. Holdings down 12% to 272,538 shares. | SEC filing Filed Oct 7, 2026, 6:55 PM ET |
| Oct 5, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 721 shares at $119.00 ($86K), marked as a 10b5-1 plan trade. Holdings down 19% to 2,988 shares. | SEC filing Filed Oct 6, 2026, 5:31 PM ET |
| Oct 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $115.69 ($1.6M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 8,362 shares. | SEC filing Filed Oct 2, 2026, 5:50 PM ET |
| Sep 15–17, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 10,000 shares between Sep 15 and Sep 17 at about $104.81 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 1% to 958,078 shares. | SEC filing Filed Sep 17, 2026 |
| Sep 8–10, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 38,460 shares between Sep 8 and Sep 10 at about $90.73 ($3.5M), marked as a 10b5-1 plan trade. Holdings down 12% to 293,293 shares. | SEC filing Filed Sep 10, 2026 |
| Sep 3, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 721 shares at $89.52 ($65K), marked as a 10b5-1 plan trade. Holdings down 16% to 3,709 shares. | SEC filing Filed Sep 3, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $89.03 ($1.2M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 8,362 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 24, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 10,000 shares at about $98.32 ($983K), marked as a 10b5-1 plan trade. Holdings down 1% to 978,073 shares. | SEC filing Filed Aug 25, 2026 |
| Aug 3–5, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 38,460 shares between Aug 3 and Aug 5 at about $79.19 ($3.0M), marked as a 10b5-1 plan trade. Holdings down 12% to 293,293 shares. | SEC filing Filed Aug 5, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 721 shares at $75.00 ($54K), marked as a 10b5-1 plan trade. Holdings down 16% to 3,917 shares. | SEC filing Filed Aug 4, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $74.10 ($1.0M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 8,362 shares. | SEC filing Filed Aug 4, 2026 |
| Jul 15, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 28,000 shares at about $81.73 ($2.3M), marked as a 10b5-1 plan trade. Holdings down 3% to 984,073 shares. | SEC filing Filed Jul 16, 2026 |
| Jul 13, 2026 | Sale | Ravi Mhatre (Director) sold 3,979 shares indirectly (by entity) at about $83.10 ($331K). Holdings by entity down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 14, 2026 |
| Jul 6–8, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 38,460 shares between Jul 6 and Jul 8 at about $86.65 ($3.3M), marked as a 10b5-1 plan trade. Holdings down 11% to 303,611 shares. | SEC filing Filed Jul 8, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 721 shares at $81.57 ($59K), marked as a 10b5-1 plan trade. Holdings down 13% to 4,638 shares. | SEC filing Filed Jul 1, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $82.67 ($1.1M), marked as a 10b5-1 plan trade. Direct holdings down 57% to 8,362 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 26, 2026 | Sale | Ravi Mhatre (Director) sold 3,979 shares indirectly (by entity) at about $71.49 ($284K). Holdings by entity down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 26, 2026 |
| Jun 23, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 676 shares at $75.00 ($51K), marked as a 10b5-1 plan trade. Holdings down 11% to 5,359 shares. | SEC filing Filed Jun 24, 2026 |
| Jun 3, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 721 shares at $80.73 ($58K), marked as a 10b5-1 plan trade. Holdings down 24% to 2,326 shares. | SEC filing Filed Jun 3, 2026 |
| Jun 1–3, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 225,087 shares between Jun 1 and Jun 3 at about $83.85 ($18.9M), marked as a 10b5-1 plan trade. Holdings down 42% to 314,048 shares. | SEC filing Filed Jun 3, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $84.54 ($1.1M), marked as a 10b5-1 plan trade. Direct holdings down 70% to 4,653 shares. | SEC filing Filed Jun 3, 2026 |
| May 29, 2026 | Planned (10b5-1) | Yvonne Wassenaar (Director) sold 2,838 shares at $75.00 ($213K), marked as a 10b5-1 plan trade. Holdings down 55% to 2,326 shares. | SEC filing Filed Jun 1, 2026 |
| May 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $55.49 ($749K), marked as a 10b5-1 plan trade. Direct holdings down 70% to 4,653 shares. | SEC filing Filed May 4, 2026 |
| Apr 7, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 20,000 shares at about $51.69 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 4% to 549,901 shares. | SEC filing Filed Apr 8, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $48.91 ($660K), marked as a 10b5-1 plan trade. Direct holdings down 70% to 4,653 shares. | SEC filing Filed Apr 2, 2026 |
| Mar 30, 2026 | Purchase (code P) | Mark D. Mclaughlin (Director) bought 10,638 shares at about $47.21 ($502K), reported as a purchase (code P). Holdings up 354% to 13,639 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 1, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $53.60 ($724K), marked as a 10b5-1 plan trade. Direct holdings down 70% to 4,653 shares. | SEC filing Filed Mar 3, 2026 |
| Feb 18, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 20,000 shares at about $54.17 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 4% to 474,959 shares. | SEC filing Filed Feb 19, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $55.29 ($746K), marked as a 10b5-1 plan trade. Direct holdings down 75% to 3,655 shares. | SEC filing Filed Feb 3, 2026 |
| Jan 16, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 20,000 shares at about $67.66 ($1.4M), marked as a 10b5-1 plan trade. Holdings down 4% to 489,959 shares. | SEC filing Filed Jan 16, 2026 |
| Jan 14–15, 2026 | Planned (10b5-1) | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 5,693 shares between Jan 14 and Jan 15 at about $70.34 ($400K), marked as a 10b5-1 plan trade. Holdings down 2% to 337,010 shares. | SEC filing Filed Jan 16, 2026 |
| Dec 12, 2025 | Sale Amended filing | Ravi Mhatre (Director) sold 5,307 shares indirectly (by entity) at about $85.27 ($453K). Holdings by entity down 100% to 0 shares. Not marked as a 10b5-1 plan trade. This amends a filing from Dec 15, 2025. | SEC filing Filed Jan 16, 2026 |
| Jan 12, 2026 | Planned (10b5-1) | Brian K. McCarthy (Pres.,Global Sales & Field Ops) sold 10,000 shares at about $70.88 ($709K), marked as a 10b5-1 plan trade. Holdings down 3% to 330,772 shares. | SEC filing Filed Jan 13, 2026 |
| Jan 7, 2026 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 3,500 shares at about $76.20 ($267K), marked as a 10b5-1 plan trade. Holdings down 1% to 504,959 shares. | SEC filing Filed Jan 8, 2026 |
| Jan 5, 2026 | Planned (10b5-1) | John Wendell Thompson (Director) sold 13,500 shares directly and indirectly (by trust) at about $73.84 ($997K), marked as a 10b5-1 plan trade. Direct holdings down 80% to 2,702 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 22, 2025 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 3,500 shares at about $79.25 ($277K), marked as a 10b5-1 plan trade. Holdings down 1% to 506,459 shares. | SEC filing Filed Dec 23, 2025 |
| Dec 17, 2025 | Sale | Kiran Kumar Choudary (CFO) sold 6,779 shares at about $76.18 ($516K). Holdings down 1% to 507,959 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 18, 2025 |
| Dec 17, 2025 | Sale | Brian K. McCarthy (Pres.,Global Sales & Field Ops) sold 4,797 shares at about $76.18 ($365K). Holdings down 1% to 340,772 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 18, 2025 |
| Dec 17, 2025 | Sale | Arvind Nithrakashyap (Chief Technology Officer and Director) sold 31,450 shares at $76.19 ($2.4M). Holdings down 8% to 342,703 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 18, 2025 |
| Dec 10, 2025 | Planned (10b5-1) | Brian K. McCarthy (Pres.,Global Sales & Field Ops) sold 10,000 shares at about $90.83 ($908K), marked as a 10b5-1 plan trade. Holdings down 3% to 339,319 shares. | SEC filing Filed Dec 10, 2025 |
| Dec 9, 2025 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 3,500 shares at about $91.46 ($320K), marked as a 10b5-1 plan trade. Holdings down 1% to 507,551 shares. | SEC filing Filed Dec 10, 2025 |
| Dec 1, 2025 | Planned (10b5-1) | John Wendell Thompson (Director) sold 9,009 shares indirectly (by trust) at about $68.75 ($619K), marked as a 10b5-1 plan trade. Holdings by trust down 90% to 998 shares. | SEC filing Filed Dec 2, 2025 |
| Nov 19, 2025 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 3,500 shares at about $69.46 ($243K), marked as a 10b5-1 plan trade. Holdings down 1% to 509,051 shares. | SEC filing Filed Nov 20, 2025 |
| Nov 10, 2025 | Planned (10b5-1) | Brian K. McCarthy (Pres.,Global Sales & Field Ops) sold 10,000 shares at about $75.90 ($759K), marked as a 10b5-1 plan trade. Holdings down 3% to 349,319 shares. | SEC filing Filed Nov 12, 2025 |
| Nov 5, 2025 | Planned (10b5-1) | Kiran Kumar Choudary (CFO) sold 3,500 shares at about $72.29 ($253K), marked as a 10b5-1 plan trade. Holdings down 1% to 510,551 shares. | SEC filing Filed Nov 6, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | John Wendell Thompson (Director) sold 9,009 shares indirectly (by trust) at about $75.45 ($680K), marked as a 10b5-1 plan trade. Holdings by trust down 90% to 998 shares. | SEC filing Filed Nov 4, 2025 |
63 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow RBRK in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.