Wednesday’s top insider buys and sells: NVIDIA leads activity
On September 9, 2026, significant insider trading activity was reported. Alumis Inc. (ALMS) director acquired $10.7M in shares, while NVIDIA (NVDA) director sold $235.6M. Greenwave (GWAV) CEO bought $8M in shares, and BELITE BIO (BLTE) executives sold $31.9M. Workday (WDAY) director sold $17.9M in shares. Dell (DELL) insiders sold $48.1M. Inhibrx (INBX) and Cytosorbents (CTSO) directors also made notable purchases.
How this was made
The 30-second read
Why it matters
While some large sales (NVDA, DELL) could exert short‑term pressure, many trades are modest or part of pre‑planned 10b5‑1 programs, limiting actionable insight.
Market read
Insider activity provides a snapshot of executive confidence but offers limited immediate trading signals beyond NVDA's sizable sell.
What to watch
Rule 10b5‑1 plans can generate sales unrelated to company outlook; market may discount these trades.
Background
The article aggregates recent Form 4 insider transactions for several US-listed companies, highlighting both purchases and sales.
Ticker impact
Director Mark A. Stevens sold $235.6M of NVDA shares early September, a large insider sell disclosed via Form 4.
Potential modest downside of 2-4% over the next few days.
Large insider sell often signals reduced confidence; however, NVDA remains near 52‑week high, limiting downside.
Silver Lake Partners IV and director Egon Durban sold $48.1M of Dell Class C stock on Sep 4, disclosed via Form 4.
Possible 1‑2% pullback.
Sell size is modest relative to market cap and occurs near 52‑week high.
Alumis Inc. director Srinivas Akkaraju bought $4.9M and sold $1M of ALMS shares in early September, disclosed via Form 4.
Potential 3‑5% upside if market reacts.
Insider net purchase is small relative to market cap; impact limited.
Director Jon Faiz Kayyem purchased 5,000 INBX shares for $567,580 on Sep 8, disclosed via Form 4.
Little immediate price effect.
Purchase size is small; market likely unchanged.
BELITE BIO CEO Lin Yu‑Hsin sold $19.08M of BLTE ADSs in early September, disclosed via Form 4.
Potential 2‑3% decline.
Sell size is notable but stock is already near 52‑week high.
Market effects
Broadly reflects heightened insider activity in technology and biotech sectors.
US market sentiment may be modestly affected by large insider sells in NVDA and DELL.
Limited to US equities; no direct global macro impact.
Counterpoint
Insider sells may be routine liquidity events rather than negative signals.
Key entities
- DirectorMark A. Stevens
NVDA director who sold $235.6M of shares.
- DirectorEgon Durban
Dell director involved in $48.1M share sale.
