Insiders Buy as Bears Circle Talen Energy

The most striking open-market purchase in the latest filings came from UBER. Andrew Gordon MacDonald, President and COO, filed on 8 September to disclose a buy of 54,325 shares at $75.65 apiece, a transaction worth just over $4.1 million. An open-market purchase at that size by a sitting COO carries weight. It is the kind of discretionary bet that insiders rarely make without conviction in the near-term outlook.

At Turkish industrial firm Burçelik Vana, the dynamics were more complex. An asset manager, Bulls Portföy Yönetimi, sold $13.6 million worth of shares on 7 September. The company's own chairman, Umit Gumus, bought $12.9 million on the same day. That kind of offsetting activity is worth watching: one large holder exits, and the man running the business steps in to absorb the selling.

Across Hong Kong-listed names, JPMorgan Chase filed as a 5% owner and reported trimming positions in Kingdee International Software, Sunny Optical Technology, and Shenzhou International, with combined disclosed disposals topping $175 million. These are threshold filings and reflect portfolio management, not necessarily a directional call.

Meanwhile, ORTEX alt data flags a separate concern at TLN. Reactor output at Talen Energy fell 10 standard deviations below its own history as of 9 October, the sharpest deviation on record in the nuclear output dataset. TLN has a short score of 45 and days-to-cover of 5.7. Bears are already pressing the stock. The output anomaly adds a fresh fundamental question ahead of its Q3 2026 earnings call.