Inference Investigation

Claim investigated: The absence of post-May 2018 SEC filings suggests either complete divestiture, reduction below 5% beneficial ownership threshold, or conversion to Schedule 13G status for passive investment below activist thresholds Entity: Hanmi Semiconductor Original confidence: inferential Result: UNCHANGED → INFERENTIAL

Assessment

The inference is technically sound but relies on circumstantial evidence. The May 2018 filing cessation after 18 months aligns with typical convertible bond conversion windows, but without access to the actual bond indenture terms, we cannot distinguish between mandatory conversion, optional conversion, or complete divestiture. Korean regulatory parallel reporting requirements could definitively resolve this ambiguity.

Reasoning: While the timing pattern is consistent with convertible bond mechanics, the inference remains circumstantial without direct evidence from bond documentation or Korean regulatory filings. The 10-day Schedule 13D amendment window confirms a discrete May 2018 triggering event, but multiple scenarios could explain the filing cessation.

Underreported Angles

• Korean Foreign Investment Promotion Act notification requirements would have mandated parallel disclosure of any material position changes regardless of U.S. filing obligations, creating an independent verification pathway that appears unexplored
• The specific convertible bond indenture terms—including mandatory vs. optional conversion provisions and event-driven triggers—represent the definitive documentation that could resolve the divestiture vs. conversion question but remain inaccessible
• The timing coincidence between May 2018 filing cessation and emerging U.S.-China semiconductor tensions suggests potential strategic divestiture considerations beyond simple financial mechanics

Public Records to Check

• SEC EDGAR: Schedule 13D amendments filed by Thiel Capital, Matt Danzeisen, or Crescendo Partners in May 2018 Would confirm the exact date and nature of the triggering event that ended disclosure obligations

• other: Korean Ministry of Trade, Industry and Energy foreign investment notification database for Hanmi Semiconductor position changes 2018 Would confirm whether position reduction triggered Korean regulatory disclosure requirements independent of U.S. obligations

• other: Korean Financial Supervisory Service DART system for Hanmi Semiconductor convertible bond conversion disclosures May-June 2018 Would definitively establish whether bond conversion occurred versus complete divestiture

• SEC EDGAR: Form 144 insider trading notices filed by Thiel Capital or Crescendo Partners for Hanmi Semiconductor May 2018 Would indicate whether shares were sold in public markets versus converted through bond mechanics

Significance

SIGNIFICANT — This represents a major information gap in documenting how prominent U.S. investors exit foreign semiconductor investments. The Korean regulatory pathway offers a concrete verification mechanism that could definitively resolve whether strategic divestiture or routine conversion explains the timing, with broader implications for understanding U.S. investor behavior in Korean technology sectors during emerging trade tensions.