Insiders Dump Half a Billion in NVDA

NVIDIA director Mark Stevens filed sales worth more than $480M across a cluster of transactions on 31 August and 2 September, with filings reported to regulators on 2 September. The tranches ranged from $30M to $98M in a single day. Stevens holds an independent director seat, not an operational role, and the significance score on each transaction was moderate rather than high. No 10b5-1 plan flag was recorded in the vendor data, making the scale of the sales worth watching.

At argenx, the sell pressure spread across the entire C-suite. Founder and CEO Timothy Van Hauwermeiren filed a $21M sale on 5 September. The CFO had already filed a $15.8M sale days earlier. The General Counsel and Chief Medical Officer added smaller tranches. A broad executive sell-off across multiple roles in the same week is a pattern that warrants attention, even when individual trades can be linked to routine compensation windows.

On the buy side, Shenzhou International Executive Chairman Ma Jianrong filed purchases on four consecutive trading days in early September, totalling roughly $57M. The filings were reported between 3 and 7 September. Shenzhou is a major garment manufacturer listed in Hong Kong. Repeated open-market buying by the chairman across consecutive sessions is among the stronger conviction signals in the insider dataset.

Microsoft CEO Satya Nadella filed two tranches of sales totalling around $53M on 1 and 2 September, though these carried a low significance score of 1 and 2 respectively, suggesting routine planned disposals.

Note: the ORTEX first-party SEC EDGAR tables were unavailable in this environment. All data above comes from the vendor insider table, which covers non-US markets and US names on a best-efforts basis. US trades should be verified against SEC Form 4 filings directly.