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Rubrik stock timeline
A year of the price with every insider trade, planned sale, earnings report and material 8-K marked
252 sessions+47.9% to $105.75
Rubrik (RBRK) stock rose 48% over the last 252 sessions, to $105.75. On the way it reported 0 quarters, its insiders filed 1 open-market trade and 12 Form 144 notices of planned sales, and the company filed 2 material 8-Ks. Each is marked on the price and listed with what the stock did next.
Each mark, and what followed
| Date | Kind | What | Next session | 5 sessions | 21 sessions |
|---|---|---|---|---|---|
| Nov 2, 2026 | Form 144 | Form 144: John and Sandra Thompson Trust plans to sell $621K | −7.9% (−7.5% vs SPY) | −16.0% (−13.3% vs SPY) | — |
| Nov 2, 2026 | Form 144 | Form 144: John Thompson plans to sell $2.7M | −7.9% (−7.5% vs SPY) | −16.0% (−13.3% vs SPY) | — |
| Sep 25, 2026 | Form 144 | Form 144: Bipul Sinha plans to sell $56.9M | −3.8% (−4.3% vs SPY) | +1.4% (+1.8% vs SPY) | +12.3% (+13.3% vs SPY) |
| Sep 8, 2026 | Form 144 | Form 144: Arvind Nithrakashyap plans to sell $11.7M | −2.2% (−1.6% vs SPY) | +6.8% (+8.0% vs SPY) | +29.5% (+28.1% vs SPY) |
| Sep 3, 2026 | Form 144 | Form 144: Yvonne Wassenaar plans to sell $189K | +5.5% (+4.5% vs SPY) | +2.0% (+2.9% vs SPY) | +30.8% (+29.9% vs SPY) |
| Aug 27, 2026 | 8-K | Directors and officers: departures, appointments, pay | −14.0% (−13.8% vs SPY) | −15.0% (−15.2% vs SPY) | +5.5% (+6.0% vs SPY) |
| Aug 3, 2026 | Form 144 | Form 144: John Thompson plans to sell $2.4M | +3.2% (+1.8% vs SPY) | +21.9% (+18.4% vs SPY) | +25.1% (+22.5% vs SPY) |
| Aug 3, 2026 | Form 144 | Form 144: John and Sandra Thompson Trust plans to sell $543K | +3.2% (+1.8% vs SPY) | +21.9% (+18.4% vs SPY) | +25.1% (+22.5% vs SPY) |
| Jul 15, 2026 | Form 144 | Form 144: Kiran Choudary plans to sell $4.2M | −9.1% (−9.5% vs SPY) | −15.0% (−14.5% vs SPY) | +9.4% (+6.7% vs SPY) |
| Jul 13, 2026 | Form 144 | Form 144: Lightspeed Management Company, L.L.C. plans to sell $333K | −0.6% (+0.1% vs SPY) | −6.6% (−5.1% vs SPY) | +14.9% (+12.5% vs SPY) |
| Jul 13, 2026 | Form 144 | Form 144: Lightspeed General Partner IX, LP plans to sell $636K | −0.6% (+0.1% vs SPY) | −6.6% (−5.1% vs SPY) | +14.9% (+12.5% vs SPY) |
| Jul 13, 2026 | Insider sale | Mhatre Ravi sold $331K | −0.6% (+0.1% vs SPY) | −6.6% (−5.1% vs SPY) | +14.9% (+12.5% vs SPY) |
| Jun 26, 2026 | Form 144 | Form 144: Lightspeed Management Company, LLC plans to sell $282K | +1.8% (+2.6% vs SPY) | +16.4% (+14.9% vs SPY) | +5.2% (+4.6% vs SPY) |
| Jun 26, 2026 | Form 144 | Form 144: Lightspeed General Partner IX, L.P. plans to sell $538K | +1.8% (+2.6% vs SPY) | +16.4% (+14.9% vs SPY) | +5.2% (+4.6% vs SPY) |
| Feb 4, 2026 | 8-K | Directors and officers: departures, appointments, pay | −7.1% (−5.8% vs SPY) | +6.1% (+5.2% vs SPY) | +9.7% (+11.8% vs SPY) |
Insiders’ record here
In the year on the chart, Rubrik's insiders reported 0 open-market buys ($0) and 1 sale ($331K). Of the 1 old enough to score, 0 were followed by the stock doing what the trade implied over the next 63 sessions (beating SPY after a buy, lagging it after a sale); the median excess return after a buy was — and after a sale +45.3%.
Across the whole universe (19,782 scored trades), insider buys beat the market 46% of the time and sales were followed by a lagging stock 61% of the time; buys of $1M or more 39%. Every pattern →
What this kind of 8-K usually did
| Item | 8-Ks | Next session, median | Up next session | 21 sessions, median | Typical size |
|---|---|---|---|---|---|
| 5.02 Directors and officers: departures, appointments, pay | 39,174 | −0.1% | 48% | +0.7% | ±1.4% |
Across every company in the move-odds universe, measured from the close before the filing. Every 8-K item ranked →
Rubrik: every quarter → Live insider trades →
Prices are daily closes; filings and trades are as filed with the SEC (Form 4 within two business days of the trade, 8-K within four of the event). Moves after a mark are the stock's close-to-close change and the same for SPY; they describe the record, not what the next one will do. Not investment advice.