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 sells54
Research cases0
Last filing2026-10-07

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
2026-08-24 — Choudary Kiran Kumar · sold 300 @ $99.93 2026-08-24 — Choudary Kiran Kumar · sold 4,400 @ $97.81 2026-08-24 — Choudary Kiran Kumar · sold 5,300 @ $98.65 2026-09-01 — THOMPSON JOHN WENDELL · sold 100 @ $90.30 2026-09-01 — THOMPSON JOHN WENDELL · sold 1,600 @ $88.58 2026-09-01 — THOMPSON JOHN WENDELL · sold 200 @ $91.66 2026-09-01 — THOMPSON JOHN WENDELL · sold 4,600 @ $88.34 2026-09-01 — THOMPSON JOHN WENDELL · sold 4,700 @ $89.02 2026-09-01 — THOMPSON JOHN WENDELL · sold 600 @ $89.18 2026-09-01 — THOMPSON JOHN WENDELL · sold 900 @ $91.08 2026-09-03 — Wassenaar Yvonne · sold 721 @ $89.52 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 2026-09-15 — Choudary Kiran Kumar · sold 1,100 @ $99.08 2026-09-15 — Choudary Kiran Kumar · sold 1,214 @ $101.47 2026-09-15 — Choudary Kiran Kumar · sold 400 @ $103.48 2026-09-15 — Choudary Kiran Kumar · sold 586 @ $100.20 2026-09-15 — Choudary Kiran Kumar · sold 700 @ $102.72 2026-09-17 — Choudary Kiran Kumar · sold 200 @ $103.86 2026-09-17 — Choudary Kiran Kumar · sold 2,572 @ $108.05 2026-09-17 — Choudary Kiran Kumar · sold 2,728 @ $107.42 2026-09-17 — Choudary Kiran Kumar · sold 300 @ $105.98 2026-10-01 — THOMPSON JOHN WENDELL · sold 300 @ $114.68 2026-10-01 — THOMPSON JOHN WENDELL · sold 1,700 @ $115.62 2026-10-01 — THOMPSON JOHN WENDELL · sold 500 @ $116.47 2026-10-01 — THOMPSON JOHN WENDELL · sold 896 @ $114.71 2026-10-01 — THOMPSON JOHN WENDELL · sold 7,710 @ $115.57 2026-10-01 — THOMPSON JOHN WENDELL · sold 2,394 @ $116.46 2026-10-05 — Nithrakashyap Arvind · sold 495 @ $118.92 2026-10-05 — Nithrakashyap Arvind · sold 110 @ $120.26 2026-10-05 — Nithrakashyap Arvind · sold 901 @ $121.20 2026-10-05 — Nithrakashyap Arvind · sold 2,801 @ $121.95 2026-10-05 — Nithrakashyap Arvind · sold 5,600 @ $122.99 2026-10-05 — Nithrakashyap Arvind · sold 2,913 @ $123.80 2026-10-05 — Wassenaar Yvonne · sold 721 @ $119.00 2026-10-06 — Nithrakashyap Arvind · sold 582 @ $125.35 2026-10-06 — Nithrakashyap Arvind · sold 11,101 @ $126.14 2026-10-06 — Nithrakashyap Arvind · sold 1,069 @ $126.87 2026-10-06 — Nithrakashyap Arvind · sold 68 @ $127.70 2026-10-07 — Nithrakashyap Arvind · sold 1,478 @ $123.32 2026-10-07 — Nithrakashyap Arvind · sold 8,274 @ $124.05 2026-10-07 — Nithrakashyap Arvind · sold 3,055 @ $124.79 2026-10-07 — Nithrakashyap Arvind · sold 13 @ $125.57
2026-08-242026-10-07

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
THOMPSON JOHN WENDELL Director
Choudary Kiran Kumar Chief Financial Officer
Wassenaar Yvonne Director
Included with a free account

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': '2026-10-07', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 1478.0, 'price': 123.32, 'value': 182266.96, 'is_buy': False}, {'transaction_date': '2026-10-07', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 8274.0, 'price': 124.05, 'value': 1026389.7, 'is_buy': False}, {'transaction_date': '2026-10-07', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 3055.0, 'price': 124.79, 'value': 381233.45, 'is_buy': False}, {'transaction_date': '2026-10-07', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 13.0, 'price': 125.57, 'value': 1632.41, 'is_buy': False}, {'transaction_date': '2026-10-06', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 582.0, 'price': 125.35, 'value': 72953.7, 'is_buy': False}, {'transaction_date': '2026-10-06', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 11101.0, 'price': 126.14, 'value': 1400280.14, 'is_buy': False}, {'transaction_date': '2026-10-06', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 1069.0, 'price': 126.87, 'value': 135624.03, 'is_buy': False}, {'transaction_date': '2026-10-06', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 68.0, 'price': 127.7, 'value': 8683.6, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 495.0, 'price': 118.92, 'value': 58865.4, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 110.0, 'price': 120.26, 'value': 13228.6, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 901.0, 'price': 121.2, 'value': 109201.2, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 2801.0, 'price': 121.95, 'value': 341581.95, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 5600.0, 'price': 122.99, 'value': 688744.0, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 2913.0, 'price': 123.8, 'value': 360629.4, 'is_buy': False}, {'transaction_date': '2026-10-05', 'insider_name': 'Wassenaar Yvonne', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 721.0, 'price': 119.0, 'value': 85799.0, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 300.0, 'price': 114.68, 'value': 34404.0, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 1700.0, 'price': 115.62, 'value': 196554.0, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 500.0, 'price': 116.47, 'value': 58235.0, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 896.0, 'price': 114.71, 'value': 102780.16, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 7710.0, 'price': 115.57, 'value': 891044.7, 'is_buy': False}, {'transaction_date': '2026-10-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 2394.0, 'price': 116.46, 'value': 278805.24, 'is_buy': False}, {'transaction_date': '2026-09-17', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 200.0, 'price': 103.86, 'value': 20772.0, 'is_buy': False}, {'transaction_date': '2026-09-17', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 2572.0, 'price': 108.05, 'value': 277904.6, 'is_buy': False}, {'transaction_date': '2026-09-17', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 2728.0, 'price': 107.42, 'value': 293041.76, 'is_buy': False}, {'transaction_date': '2026-09-17', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 300.0, 'price': 105.98, 'value': 31794.0, 'is_buy': False}, {'transaction_date': '2026-09-15', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 1100.0, 'price': 99.08, 'value': 108988.0, 'is_buy': False}, {'transaction_date': '2026-09-15', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 1214.0, 'price': 101.47, 'value': 123184.58, 'is_buy': False}, {'transaction_date': '2026-09-15', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 400.0, 'price': 103.48, 'value': 41392.0, 'is_buy': False}, {'transaction_date': '2026-09-15', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 586.0, 'price': 100.2, 'value': 58717.2, 'is_buy': False}, {'transaction_date': '2026-09-15', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 700.0, 'price': 102.72, 'value': 71904.0, 'is_buy': False}, {'transaction_date': '2026-09-10', 'insider_name': 'Nithrakashyap Arvind', 'insider_title': 'Chief Technology Officer, Director', 'transaction_type': 'Open-market sell', 'shares': 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}, {'transaction_date': '2026-09-03', 'insider_name': 'Wassenaar Yvonne', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 721.0, 'price': 89.52, 'value': 64543.92, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 100.0, 'price': 90.3, 'value': 9030.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 1600.0, 'price': 88.58, 'value': 141728.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 200.0, 'price': 91.66, 'value': 18332.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 4600.0, 'price': 88.34, 'value': 406364.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 4700.0, 'price': 89.02, 'value': 418394.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 600.0, 'price': 89.18, 'value': 53508.0, 'is_buy': False}, {'transaction_date': '2026-09-01', 'insider_name': 'THOMPSON JOHN WENDELL', 'insider_title': 'Director', 'transaction_type': 'Open-market sell', 'shares': 900.0, 'price': 91.08, 'value': 81972.0, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 300.0, 'price': 99.93, 'value': 29979.0, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 4400.0, 'price': 97.81, 'value': 430364.0, 'is_buy': False}, {'transaction_date': '2026-08-24', 'insider_name': 'Choudary Kiran Kumar', 'insider_title': 'Chief Financial Officer', 'transaction_type': 'Open-market sell', 'shares': 5300.0, 'price': 98.65, 'value': 522845.0, '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.

A free account opens all of it.

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.