All companies › RBRK

RBRK · Rubrik, Inc.

Everything on this page is public record — SEC Form 4 filings and congressional disclosures — alongside any INSIDER SCANNER research case for this company.

Open-market buys0
Open-market sells13
Research cases0
Last filing2026-09-10

Insider flow: Selling only — a count of disclosed transactions, not a rating or a recommendation.

Insider transaction timeline

Every reported transaction, positioned by trade date. Purchases sit above the axis, sales below; circle area is proportional to dollar value. No share-price line is drawn — this feed carries transaction prices only, and a price history inferred from them would imply market data the filings do not contain.

Open-market purchase Open-market sale
2026-09-08 — Nithrakashyap Arvind · sold 2,767 @ $90.43 2026-09-08 — Nithrakashyap Arvind · sold 7,836 @ $91.47 2026-09-08 — Nithrakashyap Arvind · sold 2,217 @ $91.95 2026-09-09 — Nithrakashyap Arvind · sold 3,243 @ $89.33 2026-09-09 — Nithrakashyap Arvind · sold 5,297 @ $90.41 2026-09-09 — Nithrakashyap Arvind · sold 3,237 @ $91.16 2026-09-09 — Nithrakashyap Arvind · sold 1,013 @ $92.08 2026-09-09 — Nithrakashyap Arvind · sold 30 @ $92.87 2026-09-10 — Nithrakashyap Arvind · sold 369 @ $87.55 2026-09-10 — Nithrakashyap Arvind · sold 611 @ $89.12 2026-09-10 — Nithrakashyap Arvind · sold 4,844 @ $89.73 2026-09-10 — Nithrakashyap Arvind · sold 4,675 @ $90.88 2026-09-10 — Nithrakashyap Arvind · sold 2,321 @ $91.67
2026-09-082026-09-10

Insider participation

One row per insider, one cell per reported transaction, shaded by value. Repeat buying and activity clustered in time are visible at a glance.

Nithrakashyap Arvind Chief Technology Officer, Director
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The analysis built on top of these filings

The filings above are public record and stay public here. What an account adds for $RBRK is the reading of them — and for this company, that is what the list below says it is, no more.

  • Transaction timelineThe [{'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 369.0, 'price': 87.55, 'value': 32305.95, 'is_buy': False}, {'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 611.0, 'price': 89.12, 'value': 54452.32, 'is_buy': False}, {'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 4844.0, 'price': 89.73, 'value': 434652.12, 'is_buy': False}, {'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 4675.0, 'price': 90.88, 'value': 424864.0, 'is_buy': False}, {'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 2321.0, 'price': 91.67, 'value': 212766.07, 'is_buy': False}, {'transaction_date': '2026-09-09', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 3243.0, 'price': 89.33, 'value': 289697.19, 'is_buy': False}, {'transaction_date': '2026-09-09', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 5297.0, 'price': 90.41, 'value': 478901.77, 'is_buy': False}, {'transaction_date': '2026-09-09', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 3237.0, 'price': 91.16, 'value': 295084.92, 'is_buy': False}, {'transaction_date': '2026-09-09', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 1013.0, 'price': 92.08, 'value': 93277.04, 'is_buy': False}, {'transaction_date': '2026-09-09', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 30.0, 'price': 92.87, 'value': 2786.1, 'is_buy': False}, {'transaction_date': '2026-09-08', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 2767.0, 'price': 90.43, 'value': 250219.81, 'is_buy': False}, {'transaction_date': '2026-09-08', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 7836.0, 'price': 91.47, 'value': 716758.92, 'is_buy': False}, {'transaction_date': '2026-09-08', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 2217.0, 'price': 91.95, 'value': 203853.15, 'is_buy': False}] reported transactions plotted over the window rather than listed, so concentration is visible.

Not available for RBRK today: no reported open-market purchases in this window, so there is no insider cost basis to compute; no research case — nothing here has cleared the scoring threshold. Both appear on this page on their own if that changes.

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Not financial advice. This page reports public filings and past research output. It is not a recommendation to buy or sell, and no price target here is a prediction. Trade at your own risk.