Insider · CIK 0002019143
Arvind Nithrakashyap
Files at RBRK (Rubrik, Inc.). First filing Apr 9, 2025, latest Oct 7, 2026.
Arvind Nithrakashyap files SEC Form 4 as officer and director at RBRK (Rubrik, Inc.). Since Apr 9, 2025, Arvind Nithrakashyap has reported 0 open-market buys worth $0 and 10 open-market sells worth $41M, the latest filed on Oct 7, 2026.
A track record needs three past buys with six months of prices behind them; Arvind Nithrakashyap has 0, so none is measured yet.
The newest scored trade: sold $4.8M of RBRK on Oct 5, 2026, filed Oct 7, 2026, scored 40 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 5 sells worth $12M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RBRK: Rubrik, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | Rubrik, Inc. | $4.8M 38,460 shares | -13% | +180% from low0% from high | |
| 40Moderate | Rubrik, Inc. | $3.5M 38,460 shares | -13% | +109% from low-14% from high | |
| 33Weak | Rubrik, Inc. | $1.4M 28,967 shares | -8% | +2% from low-52% from high | |
| 26Weak | Rubrik, Inc. | $400k 5,693 shares | -2% | +32% from low-32% from high | |
| 40Moderate | Rubrik, Inc. | $2.4M 31,450 shares | -8% | +41% from low-27% from high | |
| 45Moderate | Rubrik, Inc. | $3.0M 40,170 shares | -11% | +139% from low-25% from high | |
| 60Notable | Rubrik, Inc. | $3.8M 43,128 shares | -53% | +192% from low-11% from high | |
| 55Moderate | Rubrik, Inc. | $9.6M 97,445 shares | -300% | +222% from low-2% from high | |
| 55Moderate | Rubrik, Inc. | $7.3M 97,452 shares | -80% | +145% from low-5% from high | |
| 45Moderate | Rubrik, Inc. | $5.3M 97,452 shares | -44% | +74% from low-33% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 16, 2025 | RBRK RUBRIK, INC. | 41,421 0.03% of outstanding | $3.1M | Sep 16, 2025 | $3.8M |
| Jun 17, 2025 | RBRK RUBRIK, INC. | 43,432 0.04% of outstanding | $4.0M | Jun 17, 2025 | $22M |
| May 5, 2025 | RBRK Rubrik, Inc. | 194,897 0.19% of outstanding | $15M | May 5, 2025 | $14M |
| Feb 3, 2025 | RBRK Rubrik, Inc. | 292,360 0.34% of outstanding | $21M | Feb 3, 2025 | $6.4M |
| Jan 14, 2025 | RBRK RUBRIK, INC. | 227,596 0.26% of outstanding | $15M | Jan 14, 2025 | $6.4M |
| Jan 6, 2025 | RBRK Rubrik, Inc. | 97,469 0.11% of outstanding | $6.7M | Jan 6, 2025 | none |
Transactions
The newest 50 of 113 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +2,501 | $0.00 | $0 | 285,358 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -495 | $118.92 | $59k | 284,863 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -110 | $120.26 | $13k | 284,753 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -901 | $121.20 | $109k | 283,852 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,801 | $121.95 | $342k | 281,051 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,600 | $122.99 | $689k | 275,451 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,913 | $123.80 | $361k | 272,538 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +12,820 | $0.00 | $0 | 285,358 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -582 | $125.35 | $73k | 284,776 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -11,101 | $126.14 | $1.4M | 273,675 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,069 | $126.87 | $136k | 272,606 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -68 | $127.70 | $8,684 | 272,538 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +12,820 | $0.00 | $0 | 285,358 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,478 | $123.32 | $182k | 283,880 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -8,274 | $124.05 | $1.0M | 275,606 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,055 | $124.79 | $381k | 272,551 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -13 | $125.57 | $1,632 | 272,538 | 6 d ago |
| Oct 5, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -2,501 | $0.00 | $0 | 10,025,749 | 6 d ago |
| Oct 6, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -12,820 | $0.00 | $0 | 10,012,929 | 6 d ago |
| Oct 7, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -12,820 | $0.00 | $0 | 10,000,109 | 6 d ago |
| Sep 15, 2026 | RBRK Rubrik, Inc. | FTax withholding Class A Common Stock | -10,436 | $100.20 | $1.0M | 282,857 | 26 d ago |
| Sep 8, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +12,820 | $0.00 | $0 | 306,113 | 33 d ago |
| Sep 8, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,767 | $90.43 | $250k | 303,346 | 33 d ago |
| Sep 8, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -7,836 | $91.47 | $717k | 295,510 | 33 d ago |
| Sep 8, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,217 | $91.95 | $204k | 293,293 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +12,820 | $0.00 | $0 | 306,113 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,243 | $89.33 | $290k | 302,870 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,297 | $90.41 | $479k | 297,573 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,237 | $91.16 | $295k | 294,336 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,013 | $92.08 | $93k | 293,323 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -30 | $92.87 | $2,786 | 293,293 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +12,820 | $0.00 | $0 | 306,113 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -369 | $87.55 | $32k | 305,744 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -611 | $89.12 | $54k | 305,133 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,844 | $89.73 | $435k | 300,289 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,675 | $90.88 | $425k | 295,614 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,321 | $91.67 | $213k | 293,293 | 33 d ago |
| Sep 8, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -12,820 | $0.00 | $0 | 10,053,890 | 33 d ago |
| Sep 9, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -12,820 | $0.00 | $0 | 10,041,070 | 33 d ago |
| Sep 10, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -12,820 | $0.00 | $0 | 10,028,250 | 33 d ago |
| Mar 24, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock | +40,625 | $0.00 | $0 | 377,635 | Mar 26, 2026 |
| Mar 24, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock | -28,967 | $48.20 | $1.4M | 348,668 | Mar 26, 2026 |
| Mar 24, 2026 | RBRK Rubrik, Inc. | MOption exercise Restricted Stock Unitderivative | -40,625 | $0.00 | $0 | 0 | Mar 26, 2026 |
| Mar 24, 2026 | RBRK Rubrik, Inc. | MOption exercise Class B Common Stockderivative | +40,625 | $0.00 | $0 | 10,271,570 | Mar 26, 2026 |
| Mar 24, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative | -40,625 | $0.00 | $0 | 10,230,945 | Mar 26, 2026 |
| Jan 14, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -1,045 | $70.05 | $73k | 341,658 | Jan 16, 2026 |
| Jan 15, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,648 | $70.40 | $327k | 337,010 | Jan 16, 2026 |
| Dec 23, 2025 | RBRK Rubrik, Inc. | CConversion Class A Common Stock | +100,000 | $0.00 | $0 | 442,703 | Dec 23, 2025 |
| Dec 23, 2025 | RBRK Rubrik, Inc. | GGift Class A Common Stock | -100,000 | $0.00 | $0 | 342,703 | Dec 23, 2025 |
| Dec 23, 2025 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative | -100,000 | $0.00 | $0 | 10,230,945 | Dec 23, 2025 |
Questions about Arvind Nithrakashyap
Answered from the filings on this page, as of the latest one.
Is Arvind Nithrakashyap buying or selling?
In the last 12 months Arvind Nithrakashyap reported 0 open-market buys worth $0 and 5 open-market sells worth $12M on SEC Form 4; the latest was sold $4.8M of RBRK on Oct 5, 2026. Grants, option exercises and tax withholding are not counted.
How did Arvind Nithrakashyap's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Arvind Nithrakashyap has 0.
Where does Arvind Nithrakashyap file Form 4?
Arvind Nithrakashyap has filed Form 4 at RBRK (Rubrik, Inc.) as Chief Technology Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.