Sean McMaster bought $15K-$50K of OSS stock

Sean McMaster, Administrator, Federal Highway Administration, Department of Transportation, disclosed a purchase of One Stop Systems, Inc. (OSS) stock worth $15K-$50K in an OGE Form 278-T released Mar 13, 2026.

The trade happened on Jan 13, 2026, 59 days before it was made public.

OSS has moved -58.2% since the trade date, from $11.30 to $4.72 (Nov 12, 2026 close).