Wednesday’s insider buys and sells: Fermi, Tesla and more By Investing.com

Caddis Holdings sold 11,000,000 Fermi shares for roughly $56.27M across March 30-31, 2026, the largest disclosed transaction. Notable insider buys include GitLab CEO William Staples purchasing $128,342 of stock and Vitesse director Dan O’Leary buying 10,000 shares for $185,600; Universal Safety director Ault purchased $72,808 of shares. Significant insider sales include Monolithic Power Systems EVP Saria Tseng selling ~25,094 shares for ~$25.9M, Tesla director Kathleen Wilson-Thompson selling 20,008 shares for ~$9.27M (and exercising 40,000 options at $14.99), Dianthus CFO selling ~$9.5M, and CoreWeave CDO selling ~$9.9M. Advanced Flower Capital reported Q4 2025 EPS -$0.12 vs $0.03 est. and revenue $5.19M vs $5.46M, while the piece opens noting gold weakness and a dollar safe-haven bid amid geopolitical tensions.

Analysis

The recent insider footprint shows a bifurcation: concentrated block monetization by large holders and selective buys in thinly traded names. Block monetizations tend to create durable supply pressure and spike borrow costs for shorts, while small insider purchases in low-float names can produce outsized short-term squeezes without changing the longer-term fundamentals.

Macro flows (safe‑haven dollar bid) create a negative backdrop for commodity- and FX‑exposed equities while nudging USD‑priced software/recurring‑revenue businesses toward resiliency. That dynamic amplifies sector dispersion: cyclical commodity names face margin compression and higher financing costs, whereas USD revenue‑centric businesses de‑risk in local‑currency terms.

Read insider behavior through instrument structure and timing: option exercises followed by planned sales or trades under 10b5‑1 typically signal liquidity/tax-management and have low informational content, whereas unscheduled large block sales by controlling owners are a higher‑probability negative signal that often precedes multi‑week underperformance. Monitor borrow rates and successive selling tranches — two rapid increases are a red flag for forced selling/dilution.

Short horizon (days–weeks) risk is dominated by liquidity flows and borrow repricing; medium horizon (3–12 months) depends on company fundamentals and catalyst cadence (earnings, buybacks, M&A). Triggers that would reverse the negative price action include credible buyback programs, activist involvement, or a clear path to positive free cash flow; absent those, expect continued dispersion and event‑driven volatility.

Key Decisions for Investors

• GTLB — Tactical directional: buy a 3–6 month call spread sized 1–2% NAV to play asymmetric upside if sentiment inflects. Risk = premium paid; target = 40–80% nominal upside to break‑even on spread if SaaS re‑rating resumes. Close or trim on completion of a material profitability guide‑up or if the position falls 30% from entry.
• VTS — Income/defensive: initiate a buy‑write (own shares + sell 1–2 month OTM calls) to harvest yield while capping upside. Position size 1–3% NAV; expected total return = dividend + call premium ~mid‑teens annualized if rolled. Exit or unwind if dividend is cut or implied volatility spikes >50% vs historical.
• TSLA — Hedged bearish: purchase a 2–3 month put spread to limit max loss while capturing downside from near‑term de‑risking flows and volatility compression. Allocate 0.5–1% NAV; max loss = premium paid, max gain = spread width minus premium (2–4x potential payoff). Reduce or convert to long calls on a decisive bullish catalyst (volume breakout + margin guide‑up).
• MPWR / CRWV — Relative/defensive hedge: trim outright equity exposure and buy 6–9 month protective put spreads on MPWR or CRWV (size 0.5–1% NAV) OR execute a pair: long SMCI (or other higher‑growth semi‑name) vs short MPWR to express dispersion. Objective = limit left‑tail from insider‑driven dumping while keeping upside participation; stop losses: 25% adverse move vs entry.