Shannon John Poulin

Shannon John Poulin: President, Semiconductor Test at Teradyne. What Shannon John Poulin 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)

Shannon John Poulin holds 15,722 Teradyne shares (0.01% of the company), worth about $6.0M at the last price, according to the Form 4 of May 22, 2026.

• Shares held: 15,722 (0.01%), $6.0M — Held in their own name.
• Options: 8,532 (0.01%), $3.3M — The right to buy 8,532 shares at $82.61 each, until 2032. Not bought yet.
• Options: 3,937 (0.00%), $1.5M — The right to buy 3,937 shares at $269.07 each, until 2033. Not bought yet.

Declarations

• Teradyne (TER) — Form 4 of May 22, 2026 (President, Semiconductor Test): open-market sale of 1,008 at $345.37; option exercise or conversion of 2,843 at $82.61; 15,722 shares after 0000904454-26-000321
• Teradyne (TER) — Form 4 of Apr 1, 2026 (President, Semiconductor Test): shares withheld for tax of 1,162 at $312.20; 16,074 shares after 0000904454-26-000216
• Teradyne (TER) — Form 4 of Feb 4, 2026 (President, Semiconductor Test): grant or award of 4,460; 17,236 shares after 0000904454-26-000073
• Teradyne (TER) — Form 3 of May 9, 2025 (President, Semiconductor Test); 12,711 shares after 0000904454-25-000253

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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