삼성전기 주가 질주에 웃는 임원들…장덕현 사장, 30억 넘게 벌었다

Samsung Electro-Mechanics' explosive 185% stock surge in four months reflects surging demand for AI server components, underscoring semiconductors' critical role in AI infrastructure buildout. Executives' substantial gains from strategically buying shares during undervalued periods—particularly President Jang Deok-hyun's 3.7 billion won unrealized gain—demonstrate how insider conviction can precede and validate structural market opportunities. This exemplifies why executive share buybacks serve as powerful signals of management confidence in long-term growth trends in emerging technology sectors.