Notable Stock Trade Disclosures: Sept. 14–20, 2026

September 20, 2026 · Radar Report

Review 12 insider and major-owner purchases disclosed Sept. 14–20, led by a $21.8 million RSG transaction; no congressional trades appeared in the supplied list. The 12 transactions came from 11 reporting owners because Cascade Investment, L.L.C. appears twice.

Major-owner activity dominated the week: Cascade’s two RSG entries totaled about $32.5 million. That represented roughly 38% of the approximately $85.0 million listed.

Notable purchases disclosed Sept. 14–20

The table is sorted by approximate transaction amount, from largest to smallest. The supplied information identifies the disclosure-tracking window but does not provide exact filing dates or SEC accession URLs, so those details are marked as unavailable rather than inferred; available CapitolRadar issuer pages remain linked.

Major owners drove the concentration

Cascade accounted for the largest entry, acquiring 97,992 RSG shares at $222.52 for approximately $21.8 million. Its other RSG entry covered 47,819 shares at $223.44, or approximately $10.7 million. Both carry a Sept. 10 trade date.

The differing share counts and prices show that these are two separately reported transactions rather than a repeated presentation of the same transaction. The supplied information does not establish whether they appeared as separate Form 4 line items or in separate filings.

Hajioannou Polys was the other reporting owner identified as a 10 percent owner, in addition to serving as an SB director and CEO. The 1.5 million-share SB purchase was valued at approximately $11.7 million. Together, the major-owner entries gave the list much of its concentration, while the remaining activity came from directors and senior executives.

A small group of transactions represented most of the value

Five entries exceeded $10 million: Cascade’s two RSG transactions, Chen Lawrence Liren’s approximately $14.6 million IDCC purchase, Hajioannou’s approximately $11.7 million SB purchase and MURDOCH LACHLAN K’s approximately $10.3 million FOX purchase. The other seven entries ranged from approximately $1.0 million to $4.3 million.

Among those smaller transactions, Troim Tor Olav’s approximately $4.3 million BORR purchase was the largest. Rosa Luvizotto Glauber and Brown Archie M followed with purchases of approximately $3.2 million and $3.0 million, respectively, while the four smallest entries were clustered between approximately $1.0 million and $2.1 million.

Trade dates versus disclosure timing

The disclosure window and the underlying trade dates are not interchangeable. Although these entries were tracked during Sept. 14–20, their trade dates ranged from Sept. 10 through Sept. 17: the two RSG purchases were dated Sept. 10, and the SB purchase was dated Sept. 11.

Congressional periodic transaction reports may be filed up to 45 days after a trade; most SEC Form 4 transactions are due within two business days, although exceptions apply.

CapitolRadar tracks publicly disclosed trades (STOCK Act and SEC Form 4 filings); disclosures can lag the trade by up to 45 days. This article is impersonal information for your own research, not investment advice.