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JOHNSON MERCEDES
Director
65Open-market trades
5Tickers
—Avg 90d after buys
−8.70%Avg 90d after sales
—Avg 180d after buys
−21.4%Avg 180d after sales
TERADYNE, INC. 34 open-market prints by this insider, 5/19/2017 – 9/1/2026. Triangles mark only their Form 4 purchases and sales. Full TER chart
TER adjusted close▲ buy▼ sale
TER trades
| Date | Form 4 | Ticker | Side | Shares | Value | 90d | 180d |
|---|---|---|---|---|---|---|---|
| 9/1/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 167 | $57.0K | −8.70%hist | −21.4%hist |
| 8/3/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 166 | $59.5K | −8.70%hist | −21.4%hist |
| 7/1/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 167 | $76.8K | −8.70%hist | −21.4%hist |
| 6/2/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 167 | $61.7K | +10.9% | −21.4%hist |
| 4/6/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $195.1K | −20.4% | −21.4%hist |
| 3/5/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $187.0K | −34.1% | −9.82% |
| 2/5/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $166.9K | −41.1% | −49.0% |
| 1/5/2026 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $132.4K | −43.8% | −73.0% |
| 12/5/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $125.0K | −52.3% | −104.2% |
| 11/5/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $110.7K | −51.0% | −80.1% |
| 10/6/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $92.4K | −48.6% | −113.6% |
| 9/5/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $75.0K | −65.4% | −154.2% |
| 8/5/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $66.3K | −71.4% | −133.8% |
| 7/30/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 1,875 | $198.2K | −34.3% | −115.7% |
| 3/3/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $69.3K | +24.7% | −14.2% |
| 2/3/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $70.4K | +32.0% | +4.59% |
| 1/2/2025 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $79.2K | +33.9% | +27.2% |
| 12/2/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $68.8K | +6.46% | +29.6% |
| 11/7/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $69.6K | −0.98% | +33.5% |
| 10/1/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $83.0K | +1.67% | +35.8% |
| 9/3/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $83.4K | +8.92% | +14.8% |
| 8/1/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $80.5K | +9.99% | −0.38% |
| 7/1/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $92.5K | +9.28% | +14.1% |
| 6/3/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $89.9K | +11.7% | +19.6% |
| 5/6/2024 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 625 | $75.8K | +4.48% | +14.3% |
| 7/17/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $86.3K | +16.5% | +10.3% | |
| 6/15/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $81.5K | +11.2% | +12.3% | |
| 5/26/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $75.0K | +1.54% | +10.8% | |
| 4/20/2023 | Form 410b5-1 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $75.0K | −16.1% | +2.70% |
| 3/15/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $77.4K | −8.66% | +3.43% | |
| 2/15/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $79.8K | +13.8% | +3.22% | |
| 1/23/2023 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 750 | $75.0K | +5.60% | −11.5% | |
| 8/14/2020 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 15,000 | $1.36M | −11.7% | −43.2% | |
| 5/19/2017 | TERADYNE, INC · Instruments For Meas & Testing of Electricity & Elec SignalsIndustryInstruments For Meas & Testing of Electricity & Elec SignalsMkt cap (est.)$181.52BPrice$371.4752w high$483.6552w low$131.82 | SELL | 8,000 | $280.6K | +2.99% | −23.1% |
Chart uses split-adjusted closes from the first print through the latest available bar. Returns use the last close on or before the trade date and the first close on or after 90 and 180 calendar days. Sales are signed so a declining price is a positive result for the seller. Not investment advice.