Teradyne (TER) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
TER slides 4.5% to $343.21 on 1.8x normal volume. Closed at $343.21, -4.52% vs the prior close of $359.44. Day range $331.89–$344.88, opened at $341.80.
TER daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — TER slides 4.5% to $343.21 on 1.8x normal volume
- Closed at $343.21, -4.52% vs the prior close of $359.44. Day range $331.89–$344.88, opened at $341.80.
- Volume was 4.53M shares, 1.8x its 50-day average of 2.51M — unusually heavy trading.
- Price is -10.1% vs its 50-day average ($381.69) and -0.2% vs its 200-day average ($344.07).
- 52-week range $135.83–$487.91; today's close sits at 59% of that range, 29.7% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — TER slides 5.5% to $359.44, 3 down days in a row
- Closed at $359.44, -5.48% vs the prior close of $380.29. Day range $354.74–$371.71, opened at $368.04.
- Volume was 3.77M shares, 1.5x its 50-day average of 2.51M.
- Price is -6.1% vs its 50-day average ($382.62) and +4.7% vs its 200-day average ($343.34).
- 52-week range $135.00–$487.91; today's close sits at 64% of that range, 26.3% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — TER dips 0.9% to $380.29
- Closed at $380.29, -0.93% vs the prior close of $383.85. Day range $362.54–$381.10, opened at $371.50.
- Volume was 2.74M shares, 1.1x its 50-day average of 2.51M.
- Price is -0.8% vs its 50-day average ($383.50) and +11.0% vs its 200-day average ($342.53).
- 52-week range $135.00–$487.91; today's close sits at 70% of that range, 22.1% below the 52-week high.
Oct 12, 2026 — TER slides 4.7% to $383.85
- Closed at $383.85, -4.68% vs the prior close of $402.68. Day range $381.74–$394.68, opened at $394.09.
- Volume was 2.73M shares, 1.1x its 50-day average of 2.53M.
- Price is +0.2% vs its 50-day average ($383.21) and +12.4% vs its 200-day average ($341.63).
- 52-week range $131.75–$487.91; today's close sits at 71% of that range, 21.3% below the 52-week high.
Oct 9, 2026 — TER rises 1.0% to $402.68
- Closed at $402.68, +0.99% vs the prior close of $398.72. Day range $399.31–$414.26, opened at $405.19.
- Volume was 1.81M shares, 0.7x its 50-day average of 2.64M.
- Price is +5.2% vs its 50-day average ($382.89) and +18.2% vs its 200-day average ($340.70).
- 52-week range $131.75–$487.91; today's close sits at 76% of that range, 17.5% below the 52-week high.
Oct 8, 2026 — TER slides 3.2% to $398.72, 4 down days in a row
- Closed at $398.72, -3.17% vs the prior close of $411.78. Day range $388.85–$410.73, opened at $405.00.
- Volume was 3.39M shares, 1.2x its 50-day average of 2.76M.
- Price is +4.3% vs its 50-day average ($382.14) and +17.4% vs its 200-day average ($339.67).
- 52-week range $131.75–$487.91; today's close sits at 75% of that range, 18.3% below the 52-week high.
- That makes 4 straight losses.
Oct 7, 2026 — TER slides 4.3% to $411.78, 3 down days in a row
- Closed at $411.78, -4.31% vs the prior close of $430.32. Day range $404.80–$416.69, opened at $415.18.
- Volume was 2.40M shares, 0.8x its 50-day average of 2.83M.
- Price is +8.2% vs its 50-day average ($380.56) and +21.6% vs its 200-day average ($338.65).
- 52-week range $131.75–$487.91; today's close sits at 79% of that range, 15.6% below the 52-week high.
- That makes 3 straight losses.
Oct 6, 2026 — TER slides 3.2% to $430.32
- Closed at $430.32, -3.20% vs the prior close of $444.53. Day range $427.04–$448.00, opened at $445.07.
- Volume was 2.01M shares, 0.7x its 50-day average of 2.87M.
- Price is +13.6% vs its 50-day average ($378.73) and +27.5% vs its 200-day average ($337.55).
- 52-week range $131.75–$487.91; today's close sits at 84% of that range, 11.8% below the 52-week high.
Oct 5, 2026 — TER dips 1.0% to $444.53
- Closed at $444.53, -1.00% vs the prior close of $449.04. Day range $435.50–$447.71, opened at $447.09.
- Volume was 1.68M shares, 0.6x its 50-day average of 2.90M — lighter than usual.
- Price is +18.0% vs its 50-day average ($376.82) and +32.2% vs its 200-day average ($336.32).
- 52-week range $131.75–$487.91; today's close sits at 88% of that range, 8.9% below the 52-week high.
Oct 2, 2026 — TER jumps 8.0% to $449.04, a 3-month high
- Closed at $449.04, +8.00% vs the prior close of $415.79. Day range $427.03–$451.86, opened at $430.80.
- Volume was 3.40M shares, 1.2x its 50-day average of 2.87M.
- Price is +19.8% vs its 50-day average ($374.93) and +34.0% vs its 200-day average ($335.06).
- 52-week range $131.75–$487.91; today's close sits at 89% of that range, 8.0% below the 52-week high.
TER latest news & SEC filings
Every SEC filing by or about TER in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 15, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Oct 15, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Oct 2, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Johnson Mercedes sold 167 shares at $402.90 (≈$67.28K) on Oct 1, 2026; now holds 6,197
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Oct 1, 2026 · 144 — Notice of proposed sale (Form 144)
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Sep 28, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Herweck Peter received an award of 77 shares on Sep 24, 2026; now holds 16,278
- Herweck Peter reported an other transaction of 4 shares on Sep 25, 2026; now holds 16,282
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 28, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Tufano Paul J received an award of 141 shares on Sep 24, 2026; now holds 65,989
- Tufano Paul J reported an other transaction of 19 shares on Sep 25, 2026; now holds 66,008
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 10, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 2.03 — Took on a new material debt or financial obligation.
Jul 31, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 28, 2026:
- Revenue: $1.33B (prior year $651.80M) (+103.9% vs Jun 29, 2025)
- Net income: $374.53M (prior year $78.37M) (+377.9% vs Jun 29, 2025)
- Diluted EPS: $2.38 (prior year $0.49) (+385.7% vs Jun 29, 2025)
Jul 30, 2026 · SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jul 29, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade TER
- Last results release: Jul 29, 2026 (8-K Item 2.02). Previous ones: Apr 29, 2026, Feb 3, 2026, Oct 29, 2025. Based on that rhythm, the next report is likely around Oct 28, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.98% (largest 8.0%).
- Liquidity: about 2.56M shares (≈$879.22M) trade per day on average.
- 52-week position: $343.21 vs a range of $135.83–$487.91 (59% of the range).
- Dividends: last ex-dividend date Sep 4, 2026 ($0.13/share); 4 payments in the past 12 months.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 25 sales; latest: Marilyn Matz sold 400 shares on Sep 17, 2026.
- Latest filings: 8-K Aug 10, 2026; 10-Q Jul 31, 2026; 8-K Jul 29, 2026.
- Share count: 156.34M shares outstanding (Jul 27, 2026), -1.7% vs a year earlier.
- Listing: Nasdaq · industry: Instruments For Meas & Testing of Electricity & Elec Signals.
TER market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 341.80 | 344.88 | 331.89 | 343.21 | 4.53M |
| Oct 14, 2026 | 368.04 | 371.71 | 354.74 | 359.44 | 3.77M |
| Oct 13, 2026 | 371.50 | 381.10 | 362.54 | 380.29 | 2.74M |
| Oct 12, 2026 | 394.09 | 394.68 | 381.74 | 383.85 | 2.73M |
| Oct 9, 2026 | 405.19 | 414.26 | 399.31 | 402.68 | 1.81M |
| Oct 8, 2026 | 405.00 | 410.73 | 388.85 | 398.72 | 3.39M |
| Oct 7, 2026 | 415.18 | 416.69 | 404.80 | 411.78 | 2.40M |
| Oct 6, 2026 | 445.07 | 448.00 | 427.04 | 430.32 | 2.01M |
| Oct 5, 2026 | 447.09 | 447.71 | 435.50 | 444.53 | 1.68M |
| Oct 2, 2026 | 430.80 | 451.86 | 427.03 | 449.04 | 3.40M |
| Oct 1, 2026 | 402.90 | 419.37 | 401.24 | 415.79 | 1.71M |
| Sep 30, 2026 | 402.60 | 404.46 | 393.14 | 400.91 | 1.52M |
| Sep 29, 2026 | 410.85 | 415.61 | 399.84 | 403.02 | 2.57M |
| Sep 28, 2026 | 394.70 | 401.97 | 383.50 | 401.30 | 2.03M |
| Sep 25, 2026 | 394.85 | 400.46 | 388.38 | 398.38 | 1.61M |
| Sep 24, 2026 | 383.08 | 388.54 | 376.02 | 387.70 | 1.33M |
| Sep 23, 2026 | 398.00 | 398.68 | 378.31 | 389.14 | 2.01M |
| Sep 22, 2026 | 373.00 | 399.40 | 370.45 | 398.69 | 2.32M |
| Sep 21, 2026 | 378.71 | 384.99 | 370.88 | 381.54 | 3.39M |
| Sep 18, 2026 | 359.24 | 371.71 | 356.97 | 371.47 | 4.29M |
About Teradyne
Teradyne (TER) is listed on the Nasdaq and classified by the SEC under “Instruments For Meas & Testing of Electricity & Elec Signals”. Its business address is in NORTH READING, MA. State of incorporation: MA. Fiscal year ends December 31. SEC CIK 97210.
TER board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Andrew Chisholm Henry | Director | Sep 28, 2026 |
| Peter Herweck | Director | Sep 28, 2026 |
| Mercedes Johnson | Director | Sep 2, 2026 |
| Ernest E Maddock | Director | Sep 28, 2026 |
| Marilyn Matz | Director | Sep 18, 2026 |
| Necip Sayiner | Director | May 12, 2026 |
| Gregory Stephen Smith | President and CEO | Sep 16, 2026 |
| Paul J Tufano | Director | Sep 28, 2026 |
| Kralingen Bridget A Van | Director | May 12, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Ryan Driscoll | VP, General Counsel, Secretary | May 11, 2026 |
| Jean Pierre Hathout | President, Teradyne Robotics | Jun 3, 2026 |
| Regan Mills | President, Product Test | Apr 9, 2026 |
| Shannon John Poulin | President, Semiconductor Test | May 26, 2026 |
| Gregory Stephen Smith | President and CEO | Sep 16, 2026 |
| Michelle L. Turner | Chief Financial Officer | Nov 5, 2025 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 17, 2026 | Marilyn Matz | Sale | 400 | $351.11 |
| Sep 15, 2026 | Marilyn Matz | Sale | 800 | $337.83 |
| Sep 15, 2026 | Gregory Stephen Smith | Sale | 4,000 | $337.83 |
| Sep 1, 2026 | Mercedes Johnson | Sale | 167 | $341.30 |
| Aug 17, 2026 | Marilyn Matz | Sale | 1,200 | $425.00 |
| Aug 17, 2026 | Gregory Stephen Smith | Sale | 4,000 | $425.00 |
| Aug 3, 2026 | Mercedes Johnson | Sale | 166 | $358.15 |
| Jul 15, 2026 | Gregory Stephen Smith | Sale | 4,000 | $356.31 |
| Jul 15, 2026 | Marilyn Matz | Sale | 1,200 | $356.31 |
| Jul 1, 2026 | Mercedes Johnson | Sale | 167 | $460.00 |
| Jun 15, 2026 | Marilyn Matz | Sale | 1,200 | $423.03 |
| Jun 15, 2026 | Gregory Stephen Smith | Sale | 4,000 | $423.03 |
| Jun 2, 2026 | Mercedes Johnson | Sale | 167 | $369.74 |
| May 22, 2026 | Shannon John Poulin | Sale | 656 | $355.00 |
| May 21, 2026 | Marilyn Matz | Sale | 400 | $350.00 |
TER financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | — | $554.05M | 3.47 | $674.41M |
| Dec 31, 2024 | — | $542.37M | 3.32 | $672.18M |
| Dec 31, 2023 | — | $448.75M | 2.73 | $585.23M |
| Dec 31, 2022 | — | $715.50M | 4.22 | $577.92M |
| Dec 31, 2021 | — | $1.01B | 5.53 | $1.10B |
Latest balance sheet: total assets $4.93B, total liabilities $1.45B, cash $349.54M (as of Jun 28, 2026).
TER earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 29, 2026 | 8-K Item 2.02 (results) | $319.41 |
| Apr 29, 2026 | 8-K Item 2.02 (results) | $306.33 |
| Feb 3, 2026 | 8-K Item 2.02 (results) | $282.98 |
| Oct 29, 2025 | 8-K Item 2.02 (results) | $173.94 |
| Jul 30, 2025 | 8-K Item 2.02 (results) | $107.65 |
| Apr 29, 2025 | 8-K Item 2.02 (results) | $74.89 |
| Jan 30, 2025 | 8-K Item 2.02 (results) | $115.08 |
| Oct 24, 2024 | 8-K Item 2.02 (results) | $110.72 |
| Jul 25, 2024 | 8-K Item 2.02 (results) | — |
| Apr 25, 2024 | 8-K Item 2.02 (results) | — |
| Jan 31, 2024 | 8-K Item 2.02 (results) | — |
| Oct 26, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.