Kla (KLAC) Stock: Why It's Down Today
Updated Oct 20, 2026, 1:16 PM ET · intraday price
- Trading at $161.67 as of 1:16 PM ET, -2.84% vs the prior close of $166.40.
- Volume 4.94M shares, 0.5x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
Coherent (COHR)Nova (NVMI)Camtek (CAMT)Syntec Optics (OPTX)Optex Systems (OPXS)MultiSensor AI (MSAI)
KLAC dips 2.8% to $161.67, a 6-month low. Trading at $161.67 (intraday, 1:16 PM ET), -2.84% vs the prior close of $166.40. Day range $159.90–$165.29, opened at $163.90.
KLAC daily analysis — what happened
A plain-English, data-only note for every US trading day (today's note updates every 2 hours while the market is open). Newest first; older days stay archived below.
Oct 20, 2026 — KLAC dips 2.8% to $161.67, a 6-month low
- Trading at $161.67 (intraday, 1:16 PM ET), -2.84% vs the prior close of $166.40. Day range $159.90–$165.29, opened at $163.90.
- Volume was 4.94M shares, 0.5x its 50-day average of 9.41M — lighter than usual.
- Price is -12.9% vs its 50-day average ($185.65) and -10.9% vs its 200-day average ($181.41).
- 52-week range $107.20–$307.37; the current price sits at 27% of that range, 47.4% below the 52-week high.
Oct 19, 2026 — KLAC rises 0.4% to $166.40
- Closed at $166.40, +0.40% vs the prior close of $165.74. Day range $166.15–$173.05, opened at $172.66.
- Volume was 11.50M shares, 1.2x its 50-day average of 9.35M.
- Price is -10.7% vs its 50-day average ($186.27) and -8.2% vs its 200-day average ($181.24).
- 52-week range $107.20–$307.37; today's close sits at 30% of that range, 45.9% below the 52-week high.
Oct 16, 2026 — KLAC slides 5.0% to $165.74, a 6-month low, 10 down days in a row
- Closed at $165.74, -5.00% vs the prior close of $174.46. Day range $165.20–$171.66, opened at $169.84.
- Volume was 13.10M shares, 1.4x its 50-day average of 9.36M.
- Price is -11.3% vs its 50-day average ($186.91) and -8.4% vs its 200-day average ($181.01).
- 52-week range $107.20–$307.37; today's close sits at 29% of that range, 46.1% below the 52-week high.
- That makes 10 straight losses.
Oct 15, 2026 — KLAC dips 2.4% to $174.46, 9 down days in a row
- Closed at $174.46, -2.43% vs the prior close of $178.81. Day range $168.42–$175.43, opened at $174.50.
- Volume was 13.70M shares, 1.5x its 50-day average of 9.28M.
- Price is -6.9% vs its 50-day average ($187.45) and -3.5% vs its 200-day average ($180.81).
- 52-week range $105.39–$307.37; today's close sits at 34% of that range, 43.2% below the 52-week high.
- That makes 9 straight losses.
Oct 14, 2026 — KLAC dips 2.8% to $178.81, 8 down days in a row
- Closed at $178.81, -2.82% vs the prior close of $184.00. Day range $177.39–$184.58, opened at $180.55.
- Volume was 14.47M shares, 1.6x its 50-day average of 9.26M.
- Price is -4.8% vs its 50-day average ($187.82) and -1.0% vs its 200-day average ($180.57).
- 52-week range $99.86–$307.37; today's close sits at 38% of that range, 41.8% below the 52-week high.
- That makes 8 straight losses.
Oct 13, 2026 — KLAC slides 3.2% to $184.00, 7 down days in a row
- Closed at $184.00, -3.22% vs the prior close of $190.12. Day range $179.84–$187.30, opened at $185.42.
- Volume was 10.45M shares, 1.1x its 50-day average of 9.25M.
- Price is -2.2% vs its 50-day average ($188.15) and +2.0% vs its 200-day average ($180.31).
- 52-week range $99.86–$307.37; today's close sits at 41% of that range, 40.1% below the 52-week high.
- That makes 7 straight losses.
Oct 12, 2026 — KLAC dips 2.8% to $190.12, 6 down days in a row
- Closed at $190.12, -2.79% vs the prior close of $195.57. Day range $189.44–$193.99, opened at $193.68.
- Volume was 7.71M shares, 0.8x its 50-day average of 9.37M.
- Price is +1.1% vs its 50-day average ($188.13) and +5.6% vs its 200-day average ($180.03).
- 52-week range $98.10–$307.37; today's close sits at 44% of that range, 38.1% below the 52-week high.
- That makes 6 straight losses.
Oct 9, 2026 — KLAC dips 0.6% to $195.57, 5 down days in a row
- Closed at $195.57, -0.58% vs the prior close of $196.72. Day range $195.08–$201.71, opened at $200.23.
- Volume was 5.35M shares, 0.6x its 50-day average of 9.61M — lighter than usual.
- Price is +4.0% vs its 50-day average ($187.98) and +8.8% vs its 200-day average ($179.71).
- 52-week range $98.10–$307.37; today's close sits at 47% of that range, 36.4% below the 52-week high.
- That makes 5 straight losses.
Oct 8, 2026 — KLAC ends flat (-0.1%) to $196.72, 4 down days in a row
- Closed at $196.72, -0.06% vs the prior close of $196.83. Day range $191.09–$202.22, opened at $192.72.
- Volume was 10.14M shares, 1.0x its 50-day average of 9.82M.
- Price is +4.8% vs its 50-day average ($187.68) and +9.7% vs its 200-day average ($179.37).
- 52-week range $98.10–$307.37; today's close sits at 47% of that range, 36.0% below the 52-week high.
- That makes 4 straight losses.
Oct 7, 2026 — KLAC dips 0.3% to $196.83, 3 down days in a row
- Closed at $196.83, -0.32% vs the prior close of $197.46. Day range $191.20–$197.18, opened at $192.04.
- Volume was 7.16M shares, 0.7x its 50-day average of 10.02M.
- Price is +5.2% vs its 50-day average ($187.15) and +10.0% vs its 200-day average ($179.01).
- 52-week range $98.10–$307.37; today's close sits at 47% of that range, 36.0% below the 52-week high.
- That makes 3 straight losses.
Oct 6, 2026 — KLAC slides 4.5% to $197.46
- Closed at $197.46, -4.54% vs the prior close of $206.85. Day range $196.83–$207.66, opened at $207.34.
- Volume was 9.61M shares, 1.0x its 50-day average of 10.11M.
- Price is +5.6% vs its 50-day average ($187.03) and +10.5% vs its 200-day average ($178.63).
- 52-week range $98.10–$307.37; today's close sits at 47% of that range, 35.8% below the 52-week high.
Oct 5, 2026 — KLAC ends flat (-0.0%) to $206.85
- Closed at $206.85, -0.02% vs the prior close of $206.89. Day range $199.61–$206.87, opened at $205.29.
- Volume was 7.98M shares, 0.8x its 50-day average of 10.18M.
- Price is +10.5% vs its 50-day average ($187.15) and +16.1% vs its 200-day average ($178.23).
- 52-week range $98.10–$307.37; today's close sits at 52% of that range, 32.7% below the 52-week high.
Oct 2, 2026 — KLAC jumps 3.3% to $206.89, a 1-month high
- Closed at $206.89, +3.27% vs the prior close of $200.33. Day range $204.06–$208.68, opened at $207.81.
- Volume was 7.35M shares, 0.7x its 50-day average of 10.21M.
- Price is +10.5% vs its 50-day average ($187.22) and +16.4% vs its 200-day average ($177.81).
- 52-week range $98.10–$307.37; today's close sits at 52% of that range, 32.7% below the 52-week high.
KLAC bull case vs bear case (from the data)
- Annual revenue grew 11.7% in the latest fiscal year (SEC XBRL).
- Latest fiscal-year net income: profit of $4.83B.
- Price is -12.9% vs its 50-day average — short-term trend is down.
- Price is -10.9% vs its 200-day average — below the long-term trend line.
- Insider selling outweighs buying: 25 sales vs 0 open-market buys among the 25 most recent reported insider trades (Form 4, last 12 months).
- Share count up 890.1% in a year (dilution).
KLAC latest news & SEC filings
Every SEC filing by or about KLAC in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 22, 2026 · Form ARS — Annual report to shareholders
Annual report to shareholders
Sep 22, 2026 · Form DEFA14A — Additional proxy materials
Additional proxy materials
Sep 22, 2026 · Form DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Sep 16, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Wallace Richard P sold 72,019 shares at $171.88 (≈$12.38M) on Sep 15, 2026; now holds 706,925
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 15, 2026 · Form 144 — Planned insider sale
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.
Aug 14, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Lorig Brian sold 59,586 shares at $208.13 (≈$12.40M) on Aug 13, 2026
- Lorig Brian sold 59,586 shares at $208.13 (≈$12.40M) on Aug 13, 2026
- Lorig Brian sold 59,586 shares at $208.13 (≈$12.40M) on Aug 13, 2026
- Lorig Brian sold 59,586 shares at $208.13 (≈$12.40M) on Aug 13, 2026
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 13, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Higgins Bren D. sold 31,500 shares at $209.87 (≈$6.61M) on Aug 12, 2026
- Higgins Bren D. sold 31,500 shares at $209.87 (≈$6.61M) on Aug 12, 2026
- Higgins Bren D. sold 31,500 shares at $209.87 (≈$6.61M) on Aug 12, 2026
- Higgins Bren D. sold 31,500 shares at $209.87 (≈$6.61M) on Aug 12, 2026
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 13, 2026 · Form 144 — Planned insider sale
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.
Aug 12, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Khan Ahmad A. sold 33,180 shares at $198.95 (≈$6.60M) on Aug 11, 2026
- Khan Ahmad A. sold 33,180 shares at $198.95 (≈$6.60M) on Aug 11, 2026
- Khan Ahmad A. sold 33,180 shares at $198.95 (≈$6.60M) on Aug 11, 2026
- Khan Ahmad A. sold 33,180 shares at $198.95 (≈$6.60M) on Aug 11, 2026
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 6, 2026 · Form 10-K — Annual report
Annual report (audited full-year financial statements and business review)
Fiscal year ended Jun 30, 2026:
- Revenue: $13.58B (prior year $12.16B) (+11.7% vs Jun 30, 2025)
- Net income: $4.83B (prior year $4.06B) (+18.9% vs Jun 30, 2025)
- Diluted EPS: $3.66 (prior year $3.04) (+20.4% vs Jun 30, 2025)
Aug 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Jul 28, 2026 · Form 8-K — Major event / 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 KLAC
- Last results release: Jul 28, 2026 (8-K Item 2.02). Previous ones: Apr 29, 2026, Jan 29, 2026, Oct 29, 2025. Based on that rhythm, the next report is likely around Oct 27, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 1.88% (largest 5.0%).
- Liquidity: about 8.97M shares (≈$1.45B) trade per day on average.
- 52-week position: $161.67 vs a range of $107.20–$307.37 (27% of the range).
- Dividends: last ex-dividend date Aug 17, 2026 ($0.23/share); 4 payments in the past 12 months.
- Splits: 10:1 on Jun 12, 2026
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 25 sales; latest: Richard P Wallace sold 72,019 shares on Sep 15, 2026.
- Latest filings: 10-K Aug 6, 2026; 8-K Aug 6, 2026; 8-K Jul 28, 2026.
- Share count: 1.31B shares outstanding (Aug 3, 2026), +890.1% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Optical Instruments & Lenses.
KLAC market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 20, 2026 | 163.90 | 165.29 | 159.90 | 161.67 | 4.94M |
| Oct 19, 2026 | 172.74 | 173.05 | 166.11 | 166.40 | 11.64M |
| Oct 16, 2026 | 169.76 | 171.66 | 165.20 | 165.74 | 13.13M |
| Oct 15, 2026 | 174.50 | 175.43 | 168.42 | 174.46 | 13.70M |
| Oct 14, 2026 | 180.55 | 184.58 | 177.39 | 178.81 | 14.47M |
| Oct 13, 2026 | 185.42 | 187.30 | 179.84 | 184.00 | 10.45M |
| Oct 12, 2026 | 193.68 | 193.99 | 189.44 | 190.12 | 7.71M |
| Oct 9, 2026 | 200.23 | 201.71 | 195.08 | 195.57 | 5.35M |
| Oct 8, 2026 | 192.72 | 202.22 | 191.09 | 196.72 | 10.14M |
| Oct 7, 2026 | 192.04 | 197.18 | 191.20 | 196.83 | 7.16M |
| Oct 6, 2026 | 207.34 | 207.66 | 196.83 | 197.46 | 9.61M |
| Oct 5, 2026 | 205.29 | 206.87 | 199.61 | 206.85 | 7.98M |
| Oct 2, 2026 | 207.81 | 208.68 | 204.06 | 206.89 | 7.35M |
| Oct 1, 2026 | 196.69 | 201.98 | 194.90 | 200.33 | 8.70M |
| Sep 30, 2026 | 196.01 | 197.60 | 193.95 | 194.93 | 6.85M |
| Sep 29, 2026 | 194.94 | 197.47 | 192.57 | 196.53 | 7.77M |
| Sep 28, 2026 | 186.71 | 190.70 | 182.70 | 189.17 | 8.70M |
| Sep 25, 2026 | 187.33 | 189.56 | 186.02 | 187.92 | 7.14M |
| Sep 24, 2026 | 185.81 | 187.96 | 182.40 | 187.11 | 7.80M |
| Sep 23, 2026 | 186.25 | 188.00 | 181.73 | 187.86 | 8.85M |
About Kla
Kla (KLAC) is listed on the Nasdaq and classified by the SEC under “Optical Instruments & Lenses”. Its business address is in MILPITAS, CA. State of incorporation: DE. Fiscal year ends June 30. SEC CIK 319201.
KLAC 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 |
|---|---|---|
| Robert Calderoni | Director | Feb 6, 2026 |
| Jason Conley | Director | Nov 7, 2025 |
| Tracy A Embree | Director | Nov 7, 2025 |
| Jeneanne Michelle Hanley | Director | May 12, 2026 |
| Kevin Kennedy | Director | Nov 7, 2025 |
| Michael R. Mcmullen | Director | Nov 7, 2025 |
| Victor Peng | Director | Nov 7, 2025 |
| Jamie Samath | Director | Nov 7, 2025 |
| Susan J.S. Taylor | Director | Nov 7, 2025 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Bren D. Higgins | EVP & Chief Financial Officer | Aug 13, 2026 |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Aug 12, 2026 |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Aug 11, 2026 |
| Brian Lorig | EVP, KLA Global Services | Aug 14, 2026 |
| Richard P Wallace | President and CEO | Sep 16, 2026 |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Aug 11, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 15, 2026 | Richard P Wallace | Sale | 72,019 | $171.88 |
| Sep 15, 2026 | Richard P Wallace | Sale | 72,019 | $171.88 |
| Sep 15, 2026 | Richard P Wallace | Sale | 72,019 | $171.88 |
| Sep 15, 2026 | Richard P Wallace | Sale | 72,019 | $171.88 |
| Aug 13, 2026 | Brian Lorig | Sale | 59,586 | $208.13 |
| Aug 13, 2026 | Brian Lorig | Sale | 59,586 | $208.13 |
| Aug 13, 2026 | Brian Lorig | Sale | 59,586 | $208.13 |
| Aug 13, 2026 | Brian Lorig | Sale | 59,586 | $208.13 |
| Aug 12, 2026 | Bren D. Higgins | Sale | 31,500 | $209.87 |
| Aug 12, 2026 | Bren D. Higgins | Sale | 31,500 | $209.87 |
| Aug 12, 2026 | Bren D. Higgins | Sale | 31,500 | $209.87 |
| Aug 12, 2026 | Bren D. Higgins | Sale | 31,500 | $209.87 |
| Aug 11, 2026 | Richard P Wallace | Sale | 87,568 | $198.95 |
| Aug 11, 2026 | Richard P Wallace | Sale | 87,568 | $198.95 |
| Aug 11, 2026 | Richard P Wallace | Sale | 87,568 | $198.95 |
KLAC financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Jun 30, 2026 | $13.58B | $4.83B | 3.66 | $4.14B |
| Jun 30, 2025 | $12.16B | $4.06B | 3.04 | $4.08B |
| Jun 30, 2024 | $9.81B | $2.76B | 2.03 | $3.31B |
| Jun 30, 2023 | $10.50B | $3.39B | 24.15 | $3.67B |
| Jun 30, 2022 | $9.21B | $3.32B | 21.92 | $3.31B |
Latest balance sheet: total assets $17.95B, total liabilities $11.60B, cash $1.65B (as of Jun 30, 2026).
KLAC earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 28, 2026 | 8-K Item 2.02 (results) | $190.80 |
| Apr 29, 2026 | 8-K Item 2.02 (results) | $181.62 |
| Jan 29, 2026 | 8-K Item 2.02 (results) | $168.47 |
| Oct 29, 2025 | 8-K Item 2.02 (results) | $123.53 |
| Jul 31, 2025 | 8-K Item 2.02 (results) | $87.90 |
| Apr 30, 2025 | 8-K Item 2.02 (results) | $70.27 |
| Jan 30, 2025 | 8-K Item 2.02 (results) | $74.24 |
| Oct 30, 2024 | 8-K Item 2.02 (results) | $69.18 |
| Jul 24, 2024 | 8-K Item 2.02 (results) | — |
| Apr 25, 2024 | 8-K Item 2.02 (results) | — |
| Jan 25, 2024 | 8-K Item 2.02 (results) | — |
| Oct 25, 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: intraday data as of Oct 20, 2026, 1:16 PM ET. Filings: SEC EDGAR. Refreshed every 2 hours during US market hours.