Insider · CIK 0001207433
John Wendell Thompson
director
Files at RBRK (Rubrik, Inc.). First filing Apr 2, 2025, latest Oct 2, 2026.
In brief
John Wendell Thompson files SEC Form 4 as director at RBRK (Rubrik, Inc.). Since Apr 2, 2025, John Wendell Thompson has reported 0 open-market buys worth $0 and 19 open-market sells worth $16M, the latest filed on Oct 2, 2026.
A track record needs three past buys with six months of prices behind them; John Wendell Thompson has 0, so none is measured yet.
The newest scored trade: sold $1.6M of RBRK on Oct 1, 2026, filed Oct 2, 2026, scored 40 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 12 sells worth $11M.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 19
$0 bought, $16M sold
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.
RBRKOct 9, 2026 · close 125.14
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. | $1.6M 13,500 shares | -180% | +163% from low-0% from high | |
| 40Moderate | Rubrik, Inc. | $1.2M 13,500 shares | -135% | +102% from low-17% from high | |
| 40Moderate | Rubrik, Inc. | $1.0M 13,500 shares | -108% | +71% from low-24% from high | |
| 40Moderate | Rubrik, Inc. | $1.1M 13,500 shares | -90% | +87% from low-17% from high | |
| 40Moderate | Rubrik, Inc. | $1.1M 13,500 shares | -77% | +94% from low-15% from high | |
| 21Weak | Rubrik, Inc. | $749k 13,500 shares | -68% | +26% from low-45% from high | |
| 35Weak | Rubrik, Inc. | $660k 13,500 shares | -60% | +7% from low-51% from high | |
| 29Weak | Rubrik, Inc. | $724k 13,500 shares | -54% | +14% from low-46% from high | |
| 11Weak | Rubrik, Inc. | $746k 13,500 shares | -47% | +5% from low-45% from high | |
| 40Moderate | Rubrik, Inc. | $997k 13,500 shares | -386% | +42% from low-26% from high | |
| 50Moderate | Rubrik, Inc. | $619k 9,009 shares | -90% | +39% from low-31% from high | |
| 51Moderate | Rubrik, Inc. | $680k 9,009 shares | -90% | +83% from low-24% from high | |
| 51Moderate | Rubrik, Inc. | $746k 9,009 shares | -90% | +163% from low-17% from high | |
| 52Moderate | Rubrik, Inc. | $791k 9,009 shares | -90% | +188% from low-12% from high | |
| 52Moderate | Rubrik, Inc. | $786k 9,009 shares | -90% | +187% from low-12% from high | |
| 52Moderate | Rubrik, Inc. | $774k 9,009 shares | -90% | +179% from low-15% from high | |
| 53Moderate | Rubrik, Inc. | $885k 9,009 shares | -90% | +227% from low0% from high | |
| 50Moderate | Rubrik, Inc. | $644k 9,009 shares | -90% | +133% from low-10% from high | |
| 49Moderate | Rubrik, Inc. | $542k 9,009 shares | -90% | +98% from low-23% 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 |
|---|---|---|---|---|---|
| Aug 3, 2026 | RBRK RUBRIK INC | 33,000 0.02% of outstanding | $2.4M | Aug 3, 2026 | $2.3M |
| Aug 3, 2026 | RBRK RUBRIK INC | 7,500 0.00% of outstanding | $543k | Aug 3, 2026 | $2.3M |
| May 1, 2026 | RBRK RUBRIK INC | 33,000 0.02% of outstanding | $1.8M | May 1, 2026 | $2.1M |
| May 1, 2026 | RBRK RUBRIK INC | 7,500 0.00% of outstanding | $399k | May 1, 2026 | $2.1M |
| Jan 5, 2026 | RBRK RUBRIK, INC. | 44,000 0.03% of outstanding | $3.3M | Jan 5, 2026 | $1.3M |
| Jan 5, 2026 | RBRK RUBRIK, INC. | 10,000 0.01% of outstanding | $755k | Jan 5, 2026 | $1.3M |
| Nov 3, 2025 | RBRK RUBRIK INC | 18,018 0.01% of outstanding | $1.4M | Nov 3, 2025 | $1.5M |
| Aug 1, 2025 | RBRK RUBRIK INC | 27,027 0.02% of outstanding | $2.6M | Aug 1, 2025 | $1.7M |
| May 1, 2025 | RBRK RUBRIK INC | 27,027 0.03% of outstanding | $1.9M | May 1, 2025 | $1.8M |
| Jan 14, 2025 | RBRK RUBRIK INC | 36,036 0.04% of outstanding | $2.3M | Jan 14, 2025 | none |
Transactions
The newest 50 of 166 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -300 | $114.68 | $34k | 7,200 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,700 | $115.62 | $197k | 5,500 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -500 | $116.47 | $58k | 5,000 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +11,000 | $0.00 | $0 | 19,362 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -896 | $114.71 | $103k | 18,466 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -7,710 | $115.57 | $891k | 10,756 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -2,394 | $116.46 | $279k | 8,362 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -11,000 | $0.00 | $0 | 55,946 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Class B Common Stockderivative10b5-1 | +11,000 | - | - | 61,001 | 11 d ago |
| Oct 1, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -11,000 | - | - | 50,001 | 11 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,600 | $88.58 | $142k | 8,400 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -600 | $89.18 | $54k | 7,800 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -100 | $90.30 | $9,030 | 7,700 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -200 | $91.66 | $18k | 7,500 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +11,000 | $0.00 | $0 | 19,362 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,600 | $88.34 | $406k | 14,762 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -4,700 | $89.02 | $418k | 10,062 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -600 | $90.24 | $54k | 9,462 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -900 | $91.08 | $82k | 8,562 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -200 | $92.37 | $18k | 8,362 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -11,000 | $0.00 | $0 | 66,946 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Class B Common Stockderivative10b5-1 | +11,000 | - | - | 61,001 | 40 d ago |
| Sep 1, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -11,000 | - | - | 50,001 | 40 d ago |
| Aug 3, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,500 | $73.79 | $111k | 11,000 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,000 | $74.59 | $75k | 10,000 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +11,000 | $0.00 | $0 | 19,362 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,740 | $73.73 | $423k | 13,622 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -5,260 | $74.51 | $392k | 8,362 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -11,000 | $0.00 | $0 | 77,946 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | MOption exercise Class B Common Stockderivative10b5-1 | +11,000 | - | - | 61,001 | Aug 4, 2026 |
| Aug 3, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -11,000 | - | - | 50,001 | Aug 4, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -700 | $82.00 | $57k | 14,300 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,500 | $82.91 | $124k | 12,800 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -300 | $83.70 | $25k | 12,500 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +11,000 | $0.00 | $0 | 19,362 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -3,100 | $82.02 | $254k | 16,262 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -7,000 | $82.81 | $580k | 9,262 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -900 | $83.59 | $75k | 8,362 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -11,000 | $0.00 | $0 | 88,946 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | MOption exercise Class B Common Stockderivative10b5-1 | +11,000 | - | - | 61,001 | Jul 1, 2026 |
| Jul 1, 2026 | RBRK Rubrik, Inc. | CConversion Class B Common Stockderivative10b5-1 | -11,000 | - | - | 50,001 | Jul 1, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -100 | $79.91 | $7,991 | 17,400 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -300 | $82.45 | $25k | 17,100 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -160 | $83.49 | $13k | 16,940 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -1,140 | $84.64 | $96k | 15,800 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stockindirect: By John and Sandra Thompson Trust10b5-1 | -800 | $85.87 | $69k | 15,000 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | CConversion Class A Common Stock10b5-1 | +11,000 | $0.00 | $0 | 15,653 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -200 | $79.77 | $16k | 15,453 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -750 | $82.13 | $62k | 14,703 | Jun 3, 2026 |
| Jun 1, 2026 | RBRK Rubrik, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -991 | $82.73 | $82k | 13,712 | Jun 3, 2026 |
50 of 166 rows shown.
Questions about John Wendell Thompson
Answered from the filings on this page, as of the latest one.
Is John Wendell Thompson buying or selling?
In the last 12 months John Wendell Thompson reported 0 open-market buys worth $0 and 12 open-market sells worth $11M on SEC Form 4; the latest was sold $1.6M of RBRK on Oct 1, 2026. Grants, option exercises and tax withholding are not counted.
How did John Wendell Thompson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John Wendell Thompson has 0.
Where does John Wendell Thompson file Form 4?
John Wendell Thompson has filed Form 4 at RBRK (Rubrik, Inc.). 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.