Ultra Clean (UCTT) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $51.00, -8.65% vs the prior close of $55.83.
- Volume 1.37M shares, 1.3x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
UCTT slides 8.7% to $51.00, a 6-month low, 5 down days in a row. Closed at $51.00, -8.65% vs the prior close of $55.83. Day range $50.88–$55.20, opened at $54.50.
UCTT daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — UCTT slides 8.7% to $51.00, a 6-month low, 5 down days in a row
- Closed at $51.00, -8.65% vs the prior close of $55.83. Day range $50.88–$55.20, opened at $54.50.
- Volume was 1.37M shares, 1.3x its 50-day average of 1.04M.
- Price is -30.5% vs its 50-day average ($73.34) and -30.8% vs its 200-day average ($73.70).
- 52-week range $21.49–$144.22; today's close sits at 24% of that range, 64.6% below the 52-week high.
- That makes 5 straight losses.
Oct 15, 2026 — UCTT dips 1.7% to $55.83, a 6-month low, 4 down days in a row
- Closed at $55.83, -1.69% vs the prior close of $56.79. Day range $51.50–$56.05, opened at $54.00.
- Volume was 1.55M shares, 1.5x its 50-day average of 1.03M.
- Price is -24.5% vs its 50-day average ($73.99) and -24.1% vs its 200-day average ($73.57).
- 52-week range $21.49–$144.22; today's close sits at 28% of that range, 61.3% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — UCTT slides 6.9% to $56.79, a 6-month low, 3 down days in a row
- Closed at $56.79, -6.93% vs the prior close of $61.02. Day range $55.86–$59.87, opened at $59.06.
- Volume was 1.38M shares, 1.3x its 50-day average of 1.07M.
- Price is -23.7% vs its 50-day average ($74.47) and -22.7% vs its 200-day average ($73.42).
- 52-week range $21.49–$144.22; today's close sits at 29% of that range, 60.6% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — UCTT slides 3.9% to $61.02, a 6-month low on 2.5x normal volume
- Closed at $61.02, -3.92% vs the prior close of $63.51. Day range $58.62–$62.82, opened at $61.86.
- Volume was 2.64M shares, 2.5x its 50-day average of 1.05M — unusually heavy trading.
- Price is -18.7% vs its 50-day average ($75.03) and -16.7% vs its 200-day average ($73.27).
- 52-week range $21.49–$144.22; today's close sits at 32% of that range, 57.7% below the 52-week high.
Oct 12, 2026 — UCTT slides 7.4% to $63.51, a 6-month low
- Closed at $63.51, -7.41% vs the prior close of $68.59. Day range $63.48–$67.20, opened at $67.20.
- Volume was 1.49M shares, 1.4x its 50-day average of 1.04M.
- Price is -16.0% vs its 50-day average ($75.59) and -13.1% vs its 200-day average ($73.09).
- 52-week range $21.49–$144.22; today's close sits at 34% of that range, 56.0% below the 52-week high.
Oct 9, 2026 — UCTT rises 1.5% to $68.59
- Closed at $68.59, +1.49% vs the prior close of $67.58. Day range $66.85–$70.00, opened at $70.00.
- Volume was 876.00K shares, 0.8x its 50-day average of 1.06M.
- Price is -9.7% vs its 50-day average ($75.99) and -5.9% vs its 200-day average ($72.91).
- 52-week range $21.49–$144.22; today's close sits at 38% of that range, 52.4% below the 52-week high.
Oct 8, 2026 — UCTT slides 5.4% to $67.58, 3 down days in a row
- Closed at $67.58, -5.38% vs the prior close of $71.42. Day range $66.70–$73.54, opened at $69.82.
- Volume was 1.72M shares, 1.6x its 50-day average of 1.07M.
- Price is -11.4% vs its 50-day average ($76.28) and -7.0% vs its 200-day average ($72.69).
- 52-week range $21.49–$144.22; today's close sits at 38% of that range, 53.1% below the 52-week high.
- That makes 3 straight losses.
Oct 7, 2026 — UCTT dips 2.5% to $71.42
- Closed at $71.42, -2.48% vs the prior close of $73.24. Day range $70.28–$72.15, opened at $70.87.
- Volume was 973.90K shares, 0.9x its 50-day average of 1.08M.
- Price is -6.4% vs its 50-day average ($76.32) and -1.5% vs its 200-day average ($72.48).
- 52-week range $21.49–$144.22; today's close sits at 41% of that range, 50.5% below the 52-week high.
Oct 6, 2026 — UCTT dips 1.1% to $73.24
- Closed at $73.24, -1.05% vs the prior close of $74.02. Day range $71.73–$74.84, opened at $74.84.
- Volume was 1.11M shares, 1.0x its 50-day average of 1.10M.
- Price is -4.2% vs its 50-day average ($76.44) and +1.4% vs its 200-day average ($72.25).
- 52-week range $21.49–$144.22; today's close sits at 42% of that range, 49.2% below the 52-week high.
Oct 5, 2026 — UCTT rises 1.8% to $74.02
- Closed at $74.02, +1.83% vs the prior close of $72.69. Day range $71.42–$76.26, opened at $71.98.
- Volume was 1.39M shares, 1.3x its 50-day average of 1.09M.
- Price is -3.5% vs its 50-day average ($76.72) and +2.8% vs its 200-day average ($72.01).
- 52-week range $21.49–$144.22; today's close sits at 43% of that range, 48.7% below the 52-week high.
Oct 2, 2026 — UCTT slides 7.6% to $72.69
- Closed at $72.69, -7.57% vs the prior close of $78.64. Day range $71.39–$81.08, opened at $81.00.
- Volume was 1.91M shares, 1.8x its 50-day average of 1.06M.
- Price is -5.7% vs its 50-day average ($77.09) and +1.3% vs its 200-day average ($71.76).
- 52-week range $21.49–$144.22; today's close sits at 42% of that range, 49.6% below the 52-week high.
UCTT latest news & SEC filings
Every SEC filing by or about UCTT in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Xiao Jinsong had withheld for taxes 19,188 shares at $81.06 (≈$1.56M) on Sep 30, 2026; now holds 129,935
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 2, 2026 · Form 3 — New insider holdings
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Sep 30, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Sep 4, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Sep 4, 2026 · Form 3 — New insider holdings
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Sep 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 14, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
Aug 14, 2026 · Form 424B5 — Prospectus supplement
Prospectus supplement — the company is selling securities off a shelf registration
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Aug 13, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
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.
Aug 12, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
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.
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 5.02 — Change in directors or officers (appointment, departure or pay).
Aug 4, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 26, 2026:
- Net income: $8.70M (prior year -$162.00M) (swung to profit vs Jun 27, 2025)
- Diluted EPS: $0.19 (prior year -$3.58) (swung to profit vs Jun 27, 2025)
Aug 3, 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.
Jul 31, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
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 10, 2026 · Form S-8 — Employee share plan registration
Registration of shares for employee stock plans (S-8)
Things to know before you trade UCTT
- Last results release: Aug 3, 2026 (8-K Item 2.02). Previous ones: Oct 28, 2025, Jul 28, 2025, Apr 28, 2025. Based on that rhythm, the next report is likely around Nov 2, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 3.37% (largest 8.7%). That is a volatile stock.
- Liquidity: about 1.23M shares (≈$62.58M) trade per day on average.
- 52-week position: $51.00 vs a range of $21.49–$144.22 (24% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 25 sales; latest: Brian E Harding sold 1,203 shares on Jul 2, 2026.
- Latest filings: 8-K Sep 30, 2026; 8-K Aug 14, 2026; 8-K Aug 6, 2026.
- Share count: 45.28M shares outstanding (Jul 29, 2026), -0.1% vs a year earlier.
- Listing: Nasdaq · industry: Semiconductors & Related Devices.
UCTT market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 54.50 | 55.20 | 50.88 | 51.00 | 1.37M |
| Oct 15, 2026 | 54.00 | 56.05 | 51.50 | 55.83 | 1.55M |
| Oct 14, 2026 | 59.06 | 59.87 | 55.86 | 56.79 | 1.38M |
| Oct 13, 2026 | 61.86 | 62.82 | 58.62 | 61.02 | 2.64M |
| Oct 12, 2026 | 67.20 | 67.20 | 63.48 | 63.51 | 1.49M |
| Oct 9, 2026 | 70.00 | 70.00 | 66.85 | 68.59 | 876.00K |
| Oct 8, 2026 | 69.82 | 73.54 | 66.70 | 67.58 | 1.72M |
| Oct 7, 2026 | 70.87 | 72.15 | 70.28 | 71.42 | 973.90K |
| Oct 6, 2026 | 74.84 | 74.84 | 71.73 | 73.24 | 1.11M |
| Oct 5, 2026 | 71.98 | 76.26 | 71.42 | 74.02 | 1.39M |
| Oct 2, 2026 | 81.00 | 81.08 | 71.39 | 72.69 | 1.91M |
| Oct 1, 2026 | 81.63 | 81.87 | 77.76 | 78.64 | 1.26M |
| Sep 30, 2026 | 81.23 | 82.57 | 79.66 | 81.06 | 1.60M |
| Sep 29, 2026 | 81.08 | 82.04 | 79.72 | 80.46 | 887.70K |
| Sep 28, 2026 | 77.15 | 79.50 | 74.74 | 78.07 | 606.70K |
| Sep 25, 2026 | 77.53 | 78.06 | 76.41 | 77.69 | 689.70K |
| Sep 24, 2026 | 75.08 | 77.66 | 74.24 | 76.52 | 587.50K |
| Sep 23, 2026 | 75.49 | 77.68 | 72.37 | 77.29 | 706.00K |
| Sep 22, 2026 | 71.88 | 76.59 | 71.84 | 76.55 | 1.18M |
| Sep 21, 2026 | 72.83 | 73.63 | 70.74 | 73.05 | 603.10K |
About Ultra Clean
Ultra Clean (UCTT) is listed on the Nasdaq and classified by the SEC under “Semiconductors & Related Devices”. Its business address is in HAYWARD, CA. State of incorporation: DE. Fiscal year ends December 30. SEC CIK 1275014.
UCTT 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 |
|---|---|---|
| Thomas T Edman | Director | May 27, 2026 |
| Clarence L Granger | Director | May 27, 2026 |
| David T Ibnale | Director | May 27, 2026 |
| Emily M Liggett | Director | May 27, 2026 |
| Ernest E Maddock | Director | May 27, 2026 |
| Jacqueline A. Seto | Director | May 27, 2026 |
| Joanne Solomon | Director | May 27, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Paul Yoonku Cho | General Counsel and Secretary | Jun 4, 2026 |
| Christopher S Cook | President, Products Division | Sep 2, 2026 |
| Brian E Harding | Chief Accounting Officer | Jul 7, 2026 |
| Samuel Williams Johnson | SVP, Services Business | May 27, 2026 |
| Michael Dennis Keogh | Chief Financial Officer | Sep 4, 2026 |
| Jeffrey L. Mckibben | Chief Information Officer | May 27, 2026 |
| Jamie J. Palfrey | SVP, Global Human Resources | May 27, 2026 |
| Sheri Savage | CFO | Jun 9, 2026 |
| Robert Anthony Wunar | Chief Operating Officer | May 27, 2026 |
| Jinsong Xiao | Chief Executive Officer | May 27, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 2, 2026 | Brian E Harding | Sale | 1,203 | $130.12 |
| Jul 2, 2026 | Brian E Harding | Sale | 2,194 | $128.37 |
| Jul 2, 2026 | Brian E Harding | Sale | 440 | $126.92 |
| Jul 2, 2026 | Brian E Harding | Sale | 1,203 | $130.12 |
| Jul 2, 2026 | Brian E Harding | Sale | 2,194 | $128.37 |
| Jul 2, 2026 | Brian E Harding | Sale | 440 | $126.92 |
| Jul 2, 2026 | Brian E Harding | Sale | 1,203 | $130.12 |
| Jul 2, 2026 | Brian E Harding | Sale | 2,194 | $128.37 |
| Jul 2, 2026 | Brian E Harding | Sale | 440 | $126.92 |
| Jul 2, 2026 | Brian E Harding | Sale | 1,203 | $130.12 |
| Jul 2, 2026 | Brian E Harding | Sale | 2,194 | $128.37 |
| Jul 2, 2026 | Brian E Harding | Sale | 440 | $126.92 |
| Jun 4, 2026 | Sheri Savage | Sale | 120 | $87.52 |
| Jun 4, 2026 | Sheri Savage | Sale | 600 | $87.37 |
| Jun 4, 2026 | Sheri Savage | Sale | 1,070 | $88.69 |
UCTT financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 26, 2025 | — | $-181.20M | -4.00 | $65.60M |
| Dec 27, 2024 | $2.10B | $23.70M | 0.52 | $65.00M |
| Dec 29, 2023 | $1.73B | $-31.10M | -0.70 | $135.90M |
| Dec 30, 2022 | $2.37B | $40.40M | 0.88 | $47.20M |
| Dec 31, 2021 | $2.10B | $119.50M | 2.69 | $211.60M |
Latest balance sheet: total assets $1.92B, total liabilities $1.20B, cash $255.90M (as of Jun 26, 2026).
UCTT earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 3, 2026 | 8-K Item 2.02 (results) | $89.17 |
| Oct 28, 2025 | 8-K Item 2.02 (results) | $29.84 |
| Jul 28, 2025 | 8-K Item 2.02 (results) | $24.73 |
| Apr 28, 2025 | 8-K Item 2.02 (results) | $22.30 |
| Feb 24, 2025 | 8-K Item 2.02 (results) | $36.06 |
| Oct 28, 2024 | 8-K Item 2.02 (results) | $35.05 |
| Jul 27, 2023 | 8-K Item 2.02 (results) | — |
| Apr 26, 2023 | 8-K Item 2.02 (results) | — |
| Feb 22, 2023 | 8-K Item 2.02 (results) | — |
| Oct 26, 2022 | 8-K Item 2.02 (results) | — |
| Jul 28, 2022 | 8-K Item 2.02 (results) | — |
| Apr 27, 2022 | 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 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.