Form 4: CoreWeave Insider Sells Shares
Insider Transaction (Form 4)
Magnetar Financial LLC and 3 others reported changes in beneficial ownership of CoreWeave, Inc. common stock on August 13, 2026.
Summary
- Open-market sale: disposed of 41,654 Call option (obligation to sell) at $828,914.60 ($34,527,608,748) on August 13, 2026; holds 41,654 after (Indirect).
- Open-market sale: disposed of 41,655 Call option (obligation to sell) at $874,755.00 ($36,437,919,525) on August 13, 2026; holds 41,655 after (Indirect).
- Open-market sale: disposed of 142,334 Call option (obligation to sell) at $2,832,446.60 ($403,153,454,364) on August 13, 2026; holds 142,334 after (Indirect).
- Open-market sale: disposed of 142,333 Call option (obligation to sell) at $2,988,993.00 ($425,432,340,669) on August 13, 2026; holds 142,333 after (Indirect).
- Open-market sale: disposed of 19,723 Call option (obligation to sell) at $392,487.70 ($7,741,034,907) on August 13, 2026; holds 19,723 after (Indirect).
- Open-market sale: disposed of 19,722 Call option (obligation to sell) at $414,162.00 ($8,168,102,964) on August 13, 2026; holds 19,722 after (Indirect).
- Open-market sale: disposed of 1,929 Call option (obligation to sell) at $38,387.10 ($74,048,716) on August 13, 2026; holds 1,929 after (Indirect).
- Open-market sale: disposed of 1,929 Call option (obligation to sell) at $40,509.00 ($78,141,861) on August 13, 2026; holds 1,929 after (Indirect).
- Open-market sale: disposed of 41,596 Call option (obligation to sell) at $827,760.40 ($34,431,521,598) on August 13, 2026; holds 41,596 after (Indirect).
- Open-market sale: disposed of 41,597 Call option (obligation to sell) at $873,537.00 ($36,336,518,589) on August 13, 2026; holds 41,597 after (Indirect).
- Open-market sale: disposed of 57,108 Call option (obligation to sell) at $1,136,449.20 ($64,900,340,914) on August 13, 2026; holds 57,108 after (Indirect).
- Open-market sale: disposed of 57,107 Call option (obligation to sell) at $1,199,247.00 ($68,485,398,429) on August 13, 2026; holds 57,107 after (Indirect).
- Open-market sale: disposed of 71,584 Call option (obligation to sell) at $1,424,521.60 ($101,972,954,214) on August 13, 2026; holds 71,584 after (Indirect).
- Open-market sale: disposed of 71,584 Call option (obligation to sell) at $1,503,264.00 ($107,609,650,176) on August 13, 2026; holds 71,584 after (Indirect).
- Open-market sale: disposed of 17,384 Call option (obligation to sell) at $345,941.60 ($6,013,848,774) on August 13, 2026; holds 17,384 after (Indirect).
- Open-market sale: disposed of 17,384 Call option (obligation to sell) at $365,064.00 ($6,346,272,576) on August 13, 2026; holds 17,384 after (Indirect).
- Open-market sale: disposed of 60,892 Call option (obligation to sell) at $1,211,750.80 ($73,785,929,714) on August 13, 2026; holds 60,892 after (Indirect).
- Open-market sale: disposed of 60,892 Call option (obligation to sell) at $1,278,732.00 ($77,864,548,944) on August 13, 2026; holds 60,892 after (Indirect).
- Open-market sale: disposed of 39,463 Call option (obligation to sell) at $785,313.70 ($30,990,834,543) on August 13, 2026; holds 39,463 after (Indirect).
- Open-market sale: disposed of 39,463 Call option (obligation to sell) at $828,723.00 ($32,703,895,749) on August 13, 2026; holds 39,463 after (Indirect).
- Open-market sale: disposed of 6,333 Call option (obligation to sell) at $126,026.70 ($798,127,091) on August 13, 2026; holds 6,333 after (Indirect).
- Open-market sale: disposed of 6,334 Call option (obligation to sell) at $133,014.00 ($842,510,676) on August 13, 2026; holds 6,334 after (Indirect).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $1,558,695,003,742 of stock on the open market.
Insider Transactions
Magnetar Financial LLC — 10% owner
Magnetar Capital Partners LP — 10% owner
Supernova Management LLC — 10% owner
David J. Snyderman — 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 41,654 | $828.9K | $34.5B | 41,654 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 41,655 | $874.8K | $36.4B | 41,655 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 142,334 | $2.8M | $403.2B | 142,334 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 142,333 | $3.0M | $425.4B | 142,333 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 19,723 | $392.5K | $7.7B | 19,723 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 19,722 | $414.2K | $8.2B | 19,722 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 1,929 | $38.4K | $74.0M | 1,929 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 1,929 | $40.5K | $78.1M | 1,929 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 41,596 | $827.8K | $34.4B | 41,596 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 41,597 | $873.5K | $36.3B | 41,597 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 57,108 | $1.1M | $64.9B | 57,108 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 57,107 | $1.2M | $68.5B | 57,107 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 71,584 | $1.4M | $102.0B | 71,584 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 71,584 | $1.5M | $107.6B | 71,584 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 17,384 | $345.9K | $6.0B | 17,384 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 17,384 | $365.1K | $6.3B | 17,384 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 60,892 | $1.2M | $73.8B | 60,892 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 60,892 | $1.3M | $77.9B | 60,892 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 39,463 | $785.3K | $31.0B | 39,463 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 39,463 | $828.7K | $32.7B | 39,463 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 6,333 | $126.0K | $798.1M | 6,333 |
| 2026-08-13 | Open-market sale | Call option (obligation to sell) | 6,334 | $133.0K | $842.5M | 6,334 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-13 | Open-market sale (41,654 shares) |
| 2026-08-13 | Open-market sale (41,655 shares) |
| 2026-08-13 | Open-market sale (142,334 shares) |
| 2026-08-13 | Open-market sale (142,333 shares) |
| 2026-08-13 | Open-market sale (19,723 shares) |
| 2026-08-13 | Open-market sale (19,722 shares) |
| 2026-08-13 | Open-market sale (1,929 shares) |
| 2026-08-13 | Open-market sale (1,929 shares) |
| 2026-08-13 | Open-market sale (41,596 shares) |
| 2026-08-13 | Open-market sale (41,597 shares) |
| 2026-08-13 | Open-market sale (57,108 shares) |
| 2026-08-13 | Open-market sale (57,107 shares) |
| 2026-08-13 | Open-market sale (71,584 shares) |
| 2026-08-13 | Open-market sale (71,584 shares) |
| 2026-08-13 | Open-market sale (17,384 shares) |
| 2026-08-13 | Open-market sale (17,384 shares) |
| 2026-08-13 | Open-market sale (60,892 shares) |
| 2026-08-13 | Open-market sale (60,892 shares) |
| 2026-08-13 | Open-market sale (39,463 shares) |
| 2026-08-13 | Open-market sale (39,463 shares) |
| 2026-08-13 | Open-market sale (6,333 shares) |
| 2026-08-13 | Open-market sale (6,334 shares) |
Keywords
insider transaction, Form 4, CRWV, CoreWeave, Inc., bearish, Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, David J. Snyderman
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