Joby Aviation (JOBY) is down about 3.28% to roughly $8.38 as investors rotate toward the near-term mechanics of share supply rather than fresh operating headlines. There has not been a same-day, company-issued press-release catalyst driving the decline, and the tape action lines up with post-lock-up/option-related selling pressure dynamics that can weigh on momentum names even on light news days. (ca.marketscreener.com)

A lock-up tied to certain Joby stock options ended on March 30, 2026, which can increase the pool of shares that may be sold into the market and create a near-term overhang as holders monetize gains or rebalance exposure. Separately, a recent disclosed insider transaction shows Joby’s Chief Product Officer sold shares after exercising options, reinforcing the market’s sensitivity to incremental supply at a time when the stock has been volatile. (ca.marketscreener.com)

Joby has recently highlighted meaningful certification progress, including flight testing of its first FAA-conforming aircraft, which is strategically positive for the long runway toward commercial service. However, when a stock is digesting prior financings and potential incremental selling from lock-up releases, near-term trading can decouple from longer-term milestones, producing down days that look more technical than fundamental. (jobyaviation.com)