Sigdo Koppers: Insider Selling Dominates as Next Print Approaches

SK, the Chilean industrial conglomerate, heads into its December earnings date with a steady drift lower in the share price and a meaningful trail of insider selling that has accumulated since April.

The most notable feature of the recent record is the volume of related-party disposals. Inversiones Okavango SPA, a connected entity, sold shares across multiple sessions from April through June, offloading positions at prices between 1,727 and 1,730 CLP per share. Then, in September, the company itself (SIGDO KOPPERS S.A., classified as "EMISOR") disposed of 1,288,490 shares at 1,650 CLP. That single transaction makes up the bulk of the 90-day net figure: 1,423,345 shares sold for a combined 2.35 billion CLP over the period. The seller here is a related entity rather than a named executive, but the pattern of consistent disposal across the spring and into September is hard to ignore. The share price has fallen from around 1,730 CLP at the time of the April trades to 1,600 CLP today, a decline of roughly 8% from those levels.

Where the picture brightens is in the factor scores. SK ranks in the 89th percentile on the short-score metric, meaning relatively few institutional participants are expressing a bearish view through borrowing and short positions. The dividend score sits at the 84th percentile, reflecting the company's active payout record: three cash dividends have been declared in 2026 alone, with the most recent announced in early September. The earnings yield ranks near the top of its universe at the 93rd percentile, a signal that on a valuation basis the stock screens cheaply relative to its own earnings power. That combination of high yield, generous dividends and low short interest suggests a market that is not particularly alarmed, even as related parties have been reducing exposure.

Short interest and borrow data for SK carry no current readings, so positioning in the lending market cannot be assessed this week. Similarly, analyst coverage is effectively absent from current data: the only price target on record dates from late 2021 and sits well below the current share price, making it unsuitable for comparison. The ownership register, last reported at end-2025, shows a tightly held structure. Three Homar, Jutlandia and Kaizen vehicles each hold just under 9.4% of shares. Ramón Aboitiz Musatadi holds a further 8.5% personally. Chile's AFP Habitat, a pension fund, accounts for just over 3%. With the free float constrained by this cluster of family-linked vehicles, liquidity is limited and daily price moves can be small and irregular. The flat close on October 27 is consistent with that structure.

Earnings history gives some texture to the upcoming December 1 event. The May 2026 print produced a sharp single-day fall of 0.5%, followed by a further drift lower over the subsequent five days. The August result was more benign, with a small positive reaction on the day and again over the week. The pattern is not consistent enough to set a strong prior, though the May episode stands out as the most volatile print in the recent record. A note from June flagged double-digit revenue growth in Q1 driven by infrastructure and logistics, which at the time supported an improvement in sentiment.

The December 1 earnings release is the clearest near-term focus: whether the revenue momentum from the first half of the year held through Q3, and whether the pace of related-party selling ahead of that date reflects routine portfolio management or something more substantive.