Rep. Lisa McClain's Spouse Made 8 Trades in September, Disclosed 28 Days Later

As seen on the 24/7 Wall St. homepage on October 12, 2026.

  • CACI CACI International, Inc. Class A Common Stock (CACI)Buy$15K – $50KSep 14
  • CAT Caterpillar, Inc. Common Stock (CAT)Buy$1K – $15KSep 28
  • IBRX ImmunityBio, Inc. - Common Stock (IBRX)Buy$1K – $15KSep 30
  • IBRX ImmunityBio, Inc. - Common Stock (IBRX)Buy$1K – $15KSep 28
  • MSFT Microsoft Corporation - Common Stock (MSFT)Buy$1K – $15KSep 30
  • NG Novagold Resources Inc. (NG)Buy$1K – $15KSep 14
  • OLN Olin Corporation Common Stock (OLN)Buy$15K – $50KSep 14
  • STX Seagate Technology Holdings PLC - Ordinary Shares (STX)Partial sell$15K – $50KSep 30
+ 1 more trades in this filing
Made public 28 days after the earliest trade

The House GOP conference chair's spouse put the three biggest tickets into defense IT, chlorine chemicals and offshore drilling, each in the $15,000 to $50,000 range, while trimming Seagate. Nine buys across one September stretch, disclosed 28 days after the first trade, lands days after the Senate shelved a congressional trading ban.

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Lisa McClain, who chairs the House Republican Conference, disclosed on October 12 that her spouse made eight September purchases, the largest in CACI International and Olin Corporation.

CACI is a defense IT contractor and Olin makes chlorine and ammunition chemicals, both exposed to congressional oversight that McClain helps steer. The filing came 28 days after the first trade.

Smaller buys included ImmunityBio, Microsoft, Novagold Resources, and Caterpillar, and the only sale was a partial trim of Seagate Technology.

The timing draws attention because the disclosures landed in the days after the Senate shelved a bill that would have banned members of Congress and their spouses from trading individual stocks. McClain's role as conference chair, a position that shapes Republican legislative strategy, adds weight to any filing that surfaces during an active debate over trading restrictions.

Mentioned: CACI, CAT, IBRX, MSFT, NG, OLN, STX, RIG