The sales are small in proportion to market cap and coincide with derivative exercises, suggesting tax/vesting-related liquidity rather than informed selling. Monitor for any acceleration of insider sales or a pattern of C-suite selling without option exercise, which would be more concerning.
Price Chart
Executive Summary
Chief Revenue Officer Marc Boroditsky and Director John Boynton sold a combined $680K in open-market sales within a week, with Boroditsky also exercising derivative shares for zero cash. The sales are modest relative to NBIS's market cap and appear linked to option exercise and tax planning, not a material bearish signal.
Key Financial Metrics
Key Facts
- Chief Revenue Officer Marc Boroditsky sold 2,000 shares at $208.63 ($417K) and 5,000 shares at $209.26 ($1.05M) on 2026-09-14, all open-market sales.
- Boroditsky also exercised 14,000 derivative shares at $0 (non-cash) on the same day, suggesting the sales were to cover exercise costs or taxes.
- Director John Boynton sold 1,250 shares at $207.67 ($262K) on 2026-09-15.
- Total cluster value is $680K in open-market sales; no purchases were reported.
- No 10b5-1 plan was indicated, but the pattern (option exercise + same-day sale) is consistent with routine tax/vesting-related disposition.
Financial Impact
Total open-market sales of $680K, representing approximately 0.2% of NBIS's market cap (based on ~$326M market cap from prior snapshot).
Risk Factors
- If Boroditsky or other C-suite insiders continue selling without option exercise, it could signal deteriorating confidence.
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-NBIS-1789672987179 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 1d ago | Insider Cluster | $155.00 | awaiting T+1 | — | $153.27 (−1.12%) |
Oct 22, 2026 5d ago | 6-K | $159.17 $158.74 | ▼ −0.27% | ▲ +0.25% | $153.27 (−3.71%) |
Oct 20, 2026 7d ago | Insider Cluster | $171.45 $171.57 | ▼ −0.07% | ▲ +0.46% | $153.27 (+10.60%) |
Oct 19, 2026 8d ago | Insider Cluster | $170.24 $171.45 | ▼ −0.71% | ▼ −0.38% | $153.27 (+9.97%) |
Oct 16, 2026 12d ago | Insider Cluster | $170.24 $171.45 | ▼ −0.71% | ▼ −0.38% | $153.27 (+9.97%) |
Oct 7, 2026 20d ago | SC 13G/A | $219.71 $221.07 | ▲ +0.62% | ▲ +0.02% | $153.27 (−30.24%) |
Oct 5, 2026 22d ago | Insider Cluster | $232.57 $249.87 | ▼ −7.44% | ▼ −6.89% | $153.27 (+34.10%) |
Sep 21, 2026 5w ago | Insider Cluster | $236.12 $226.61 | ▲ +4.03% | ▲ +3.31% | $153.27 (+35.09%) |
Sep 17, 2026 5w ago | Insider Cluster | $217.99 $223.54 | ▲ +2.55% | ▲ +2.67% | $153.27 (−29.69%) |
Aug 26, 2026 8w ago | 6-K | $213.93 $218.48 | ▲ +2.13% | ▲ +1.47% | $153.27 (−28.36%) |
US Market Status
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