Rainer Jueckstock

Rainer Jueckstock: Director at Plexus. What Rainer Jueckstock 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.

Plexus (PLXS)

Rainer Jueckstock holds 29,740 Plexus shares (0.11% of the company), worth about $7.7M at the last price, according to the Form 4 of Feb 9, 2026.

• Shares held: 29,740 (0.11%), $7.7M — Held in their own name.
• Share units: 1,008 (0.00%), $261,455.04 — Plexus promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• Plexus (PLXS) — Form 4 of Feb 9, 2026; 29,740 shares after 0001328695-26-000002
• Plexus (PLXS) — Form 4 of Feb 3, 2026: option exercise or conversion of 1,370; 29,740 shares after 0001328695-26-000001
• Plexus (PLXS) — Form 4/A of Feb 3, 2025 0001328695-25-000006
• Plexus (PLXS) — Form 4 of Feb 3, 2025; 28,370 shares after 0001628280-25-004110
• Plexus (PLXS) — Form 4 of Jan 29, 2025: option exercise or conversion of 1,979; 28,370 shares after 0001628280-25-003325

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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