// company-profile
Teradyne, Inc Insider Trading
TEREvery SEC Form 4 insider trading filing for Teradyne, Inc (TER) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=TER" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Teradyne, Inc insiders bought $0 (3 transactions) and sold $697K (3 transactions).
- Most active insider: Smith Gregory Stephen with 5 transactions totaling $6.4M.
- Largest single sale: $2.9M by Smith Gregory Stephen on May 15, 2026.
- 80% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Teradyne, Inc as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 3, 2026 | JOHNSON MERCEDES | TER | Sale10b5 | 166 | $358.15 | $59K |
| Jul 15, 2026 | MATZ MARILYN | TER | Sale10b5 | 1,200 | $356.31 | $428K |
| Jul 15, 2026 | Smith Gregory Stephen | TER | Sale10b5 | 4,000 | $356.31 | $1.43M |
| Jul 1, 2026 | JOHNSON MERCEDES | TER | Sale10b5 | 167 | $460.00 | $77K |
| Jun 25, 2026 | Henry Andrew Chisholm | TER | Award | 52 | $0.00 | $0K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →