Regan Mills

Regan Mills: President, Product Test at Teradyne. What Regan Mills 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.

Teradyne (TER)

Regan Mills holds 11,399 Teradyne shares (0.01% of the company), worth about $4.4M at the last price, according to the Form 4 of Apr 8, 2026.

• Shares held: 11,399 (0.01%), $4.4M — Held in their own name.
• Options: 886 (0.00%), $341,703.62 — The right to buy 886 shares at $269.07 each, until 2033. Not bought yet.

Declarations

• Teradyne (TER) — Form 4 of Apr 8, 2026 (President, Product Test): open-market sale of 16 at $342.17; 11,399 shares after 0000904454-26-000229
• Teradyne (TER) — Form 4 of Apr 2, 2026 (President, Product Test): shares withheld for tax of 222 at $312.20; open-market sale of 252 at $290.88; 11,415 shares after 0000904454-26-000214
• Teradyne (TER) — Form 4 of Feb 25, 2026 (President, Product Test): open-market sale of 788 at $332.87; 11,889 shares after 0000904454-26-000130
• Teradyne (TER) — Form 4 of Feb 4, 2026 (President, Product Test): grant or award of 1,004; 12,677 shares after 0000904454-26-000069
• Teradyne (TER) — Form 4 of Feb 2, 2026 (President, Product Test): shares withheld for tax of 345 at $249.53; 11,673 shares after 0000904454-26-000059
• Teradyne (TER) — Form 4 of Jan 28, 2026 (President, Product Test): shares withheld for tax of 193 at $238.94; shares withheld for tax of 167 at $250.48; 12,018 shares after 0000904454-26-000044
• Teradyne (TER) — Form 3 of May 9, 2025 (President, Product Test); 12,215 shares after 0000904454-25-000251

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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