Traders should monitor for follow-through selling volume; while 10b5-1 plans are non-discretionary, the scale of sales may pressure short-term price action, especially if executed rapidly. Consider this as part of broader insider activity trend.
Price Chart
Executive Summary
McBee Brannin, an insider at CoreWeave, has filed a Form 144 to notify the SEC of proposed sales of up to 16,998,300 shares under a 10b5-1 plan, with recent sales already executed totaling over $31M in the past month. The sales are part of a pre-arranged trading plan and involve multiple trusts and entities tied to Brannin.
Key Facts
- Reporting owner McBee Brannin filed Form 144 for proposed sale of 16,998,300 common shares.
- Sales are being conducted under a 10b5-1 plan, indicating pre-established intent.
- Multiple transactions have already occurred in March and April 2026, including large blocks of 100,000 to 300,000 shares per day.
- Proceeds from one block of sales on March 9, 2026, amounted to $21.78M.
- Sales are attributed to various entities including BRANNIN MCBEE, MEGHAN BENNETT, CANIS MAJOR/ MINOR GRATs, and BRANNIN J. MCBEE 2022 IRR TRUST.
- Total approximate value of shares proposed for sale: $1.38 billion (based on $81.25/share implied price).
Financial Impact
Up to 16,998,300 shares proposed for sale, representing a significant but not dilutive capital movement; approximate value $1.38 billion at current prices.
Risk Factors
- Potential downward pressure on stock price if large volumes are sold quickly.
- Perception of lack of confidence if selling continues amid no clear corporate catalyst.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-003406 |
| Document: 0001950047-26-003406-index.html | 0001950047-26-003406 |
| Document: 0001950047-26-003406.txt | 0001950047-26-003406 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 15, 2026 16d ago | Insider Cluster | $83.35 $86.90 | ▼ −4.26% | ▼ −1.70% | $88.57 (−6.26%) |
Sep 10, 2026 21d ago | Insider Cluster | $88.99 $81.36 | ▼ −8.57% | ▼ −8.35% | $88.57 (−0.47%) |
Sep 10, 2026 21d ago | Insider Cluster | $88.99 $81.36 | ▼ −8.57% | ▼ −8.35% | $88.57 (−0.47%) |
Sep 4, 2026 28d ago | Insider Cluster | $89.36 $82.98 | ▲ +7.14% | ▲ +5.93% | $88.57 (+0.88%) |
Aug 29, 2026 4w ago | Insider Cluster | $84.89 $102.84 | ▼ −21.14% | ▼ −21.28% | $88.57 (−4.34%) |
Aug 27, 2026 5w ago | Insider Cluster | $84.23 $89.36 | ▼ −6.09% | ▼ −5.98% | $88.57 (−5.15%) |
Aug 26, 2026 5w ago | Insider Cluster | $86.80 $84.56 | ▼ −2.58% | ▼ −2.85% | $88.57 (+2.04%) |
Aug 22, 2026 5w ago | Insider Cluster | $86.25 $84.89 | ▲ +1.58% | ▲ +2.05% | $88.57 (−2.69%) |
Aug 20, 2026 6w ago | Insider Cluster | $87.85 $84.23 | ▼ −4.12% | ▼ −4.59% | $88.57 (+0.82%) |
Aug 19, 2026 6w ago | Insider Cluster | $90.87 $88.01 | ▲ +3.15% | ▲ +2.76% | $88.57 (+2.53%) |
US Market Status
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