Updated Jul 16, 2026
Poulin Shannon John has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $581K.

Shannon John Poulin is a corporate executive known for his role as President of Semiconductor Test at Teradyne, Inc., a leading supplier of automation equipment for test and industrial applications. He has been involved in the semiconductor industry for several years, contributing to advancements in testing technologies.
| Role | President, Semiconductor Test |
|---|---|
| Notability | 70/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-26 | TER | TERADYNE, INC | S — Open-market sale | 656 | $355.00 | $233K |
| 2026-05-26 | TER | TERADYNE, INC | F — Tax withholding / forfeiture | 1.5K | $345.98 | $530K |
| 2026-05-26 | TER | TERADYNE, INC | M — Option exercise | 2.8K | $82.61 | $235K |
| 2026-05-26 | TER | TERADYNE, INC | S — Open-market sale | 1.0K | $345.37 | $348K |
| 2026-04-03 | TER | TERADYNE, INC | F — Tax withholding / forfeiture | 1.2K | $312.20 | $363K |
| 2026-02-06 | TER | TERADYNE, INC | A — Grant or award | 4.5K | $0.00 |
Shannon John Poulin is a corporate executive known for his role as President of Semiconductor Test at Teradyne, Inc., a leading supplier of automation equipment for test and industrial applications. He has been involved in the semiconductor industry for several years, contributing to advancements in testing technologies.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($581K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Poulin Shannon John profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.