John K. Kibarian

What John K. Kibarian holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

PDF Solutions (PDFS)

The Schedule 13G of Dec 31, 2025 counts 2.6M shares (6.1%) as John K. Kibarian's.

• Declared stake: 2.6M (6.1%), $133.9M — Counted as theirs in the Schedule 13G of Dec 31, 2025, which does not break them down.

Declarations

• PDF Solutions (PDFS) — 13G filed Feb 17, 2026: 2.6M shares counted as of Dec 31, 2025, 6.5% as declared
• PDF Solutions (PDFS) — 13G filed Feb 12, 2025: 2.5M shares counted as of Feb 12, 2025, 6.5% as declared

Follow John K. Kibarian's SEC filings (Atom feed)

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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