Smith Gregory Stephen sold $1.4M of TER
Smith Gregory Stephen (President and CEO) sold 4,000 shares of TERADYNE, INC (TER) at $337.83 ($1.35M total) on 2026-09-15 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale reduces the CEO's ownership, which may be interpreted as a negative signal, but the pre-arranged 10b5-1 plan tempers speculation.
Market read
The filing provides fresh insider activity data, offering a modest trading cue for TER.
What to watch
Potential upcoming earnings or strategic announcements could contextualize the sale.
Background
Form 4 filings disclose insider transactions; a CEO sale often draws investor attention.
Ticker impact
CEO Stephen Smith sold 4,000 shares for $1.35M via a 10b5-1 plan, reducing his stake to 108,495 shares.
Possible modest downside pressure in the near term.
The sale size is material for a mid-cap and executed under a pre-arranged plan, suggesting a neutral to slightly negative market reaction.
Market effects
Minimal impact on the broader medical device sector.
Limited to U.S. investors tracking insider activity.
Low
Counterpoint
The sale may be purely liquidity-driven, not indicative of company outlook.
Key entities
- ExecutiveStephen Smith
President and CEO of Teradyne, Inc.




