Silicon Motion Technology (SIMO) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $211.30, -3.25% vs the prior close of $218.39.
- Volume 578.90K shares, 0.6x its 50-day average.
- New SEC filings: 6-K (Oct 16, 2026).
- No new insider buys or sales reported since the prior session.
SIMO slides 3.2% to $211.30, a 1-month low, 5 down days in a row. Closed at $211.30, -3.25% vs the prior close of $218.39. Day range $209.14–$218.93, opened at $218.90.
SIMO 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 — SIMO slides 3.2% to $211.30, a 1-month low, 5 down days in a row
- Closed at $211.30, -3.25% vs the prior close of $218.39. Day range $209.14–$218.93, opened at $218.90.
- Volume was 578.90K shares, 0.6x its 50-day average of 908.15K.
- Price is -17.8% vs its 50-day average ($257.02) and +0.8% vs its 200-day average ($209.68).
- 52-week range $79.76–$355.00; today's close sits at 48% of that range, 40.5% below the 52-week high.
- That makes 5 straight losses.
Oct 15, 2026 — SIMO dips 2.3% to $218.39, a 1-month low, 4 down days in a row
- Closed at $218.39, -2.32% vs the prior close of $223.58. Day range $204.37–$221.39, opened at $214.00.
- Volume was 1.30M shares, 1.4x its 50-day average of 902.12K.
- Price is -15.4% vs its 50-day average ($258.14) and +4.5% vs its 200-day average ($209.07).
- 52-week range $79.76–$355.00; today's close sits at 50% of that range, 38.5% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — SIMO slides 9.3% to $223.58, a 1-month low, 3 down days in a row
- Closed at $223.58, -9.35% vs the prior close of $246.63. Day range $220.74–$241.63, opened at $240.00.
- Volume was 1.24M shares, 1.4x its 50-day average of 896.53K.
- Price is -13.6% vs its 50-day average ($258.70) and +7.3% vs its 200-day average ($208.43).
- 52-week range $79.76–$355.00; today's close sits at 52% of that range, 37.0% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — SIMO ends flat (-0.1%) to $246.63
- Closed at $246.63, -0.13% vs the prior close of $246.95. Day range $234.00–$247.17, opened at $239.00.
- Volume was 663.90K shares, 0.7x its 50-day average of 906.00K.
- Price is -5.0% vs its 50-day average ($259.60) and +18.7% vs its 200-day average ($207.76).
- 52-week range $79.76–$355.00; today's close sits at 61% of that range, 30.5% below the 52-week high.
Oct 12, 2026 — SIMO slides 6.4% to $246.95
- Closed at $246.95, -6.42% vs the prior close of $263.90. Day range $246.00–$259.98, opened at $259.00.
- Volume was 644.30K shares, 0.7x its 50-day average of 923.76K.
- Price is -4.9% vs its 50-day average ($259.70) and +19.3% vs its 200-day average ($206.97).
- 52-week range $79.76–$355.00; today's close sits at 61% of that range, 30.4% below the 52-week high.
Oct 9, 2026 — SIMO rises 0.8% to $263.90
- Closed at $263.90, +0.77% vs the prior close of $261.89. Day range $256.63–$270.80, opened at $268.00.
- Volume was 447.60K shares, 0.5x its 50-day average of 966.82K — lighter than usual.
- Price is +1.6% vs its 50-day average ($259.83) and +28.0% vs its 200-day average ($206.19).
- 52-week range $79.76–$355.00; today's close sits at 67% of that range, 25.7% below the 52-week high.
Oct 8, 2026 — SIMO slides 8.4% to $261.89
- Closed at $261.89, -8.36% vs the prior close of $285.78. Day range $258.01–$283.35, opened at $279.10.
- Volume was 866.40K shares, 0.9x its 50-day average of 982.75K.
- Price is +0.9% vs its 50-day average ($259.66) and +27.6% vs its 200-day average ($205.32).
- 52-week range $79.76–$355.00; today's close sits at 66% of that range, 26.2% below the 52-week high.
- SEC filings that day: 6-K.
Oct 7, 2026 — SIMO ends flat (+0.3%) to $285.78, a 1-month high, 4 up days in a row
- Closed at $285.78, +0.29% vs the prior close of $284.96. Day range $275.59–$289.72, opened at $278.42.
- Volume was 676.30K shares, 0.7x its 50-day average of 999.89K.
- Price is +10.5% vs its 50-day average ($258.61) and +39.8% vs its 200-day average ($204.45).
- 52-week range $79.76–$355.00; today's close sits at 75% of that range, 19.5% below the 52-week high.
- That makes 4 straight gains.
Oct 6, 2026 — SIMO rises 0.9% to $284.96, a 1-month high, 3 up days in a row
- Closed at $284.96, +0.89% vs the prior close of $282.45. Day range $281.51–$294.98, opened at $286.41.
- Volume was 1.08M shares, 1.1x its 50-day average of 1.01M.
- Price is +10.7% vs its 50-day average ($257.33) and +40.1% vs its 200-day average ($203.45).
- 52-week range $79.76–$355.00; today's close sits at 75% of that range, 19.7% below the 52-week high.
- That makes 3 straight gains.
Oct 5, 2026 — SIMO rises 0.7% to $282.45
- Closed at $282.45, +0.70% vs the prior close of $280.50. Day range $277.36–$289.00, opened at $281.57.
- Volume was 724.50K shares, 0.7x its 50-day average of 1.01M.
- Price is +10.1% vs its 50-day average ($256.52) and +39.5% vs its 200-day average ($202.45).
- 52-week range $79.76–$355.00; today's close sits at 74% of that range, 20.4% below the 52-week high.
Oct 2, 2026 — SIMO rises 1.9% to $280.50
- Closed at $280.50, +1.91% vs the prior close of $275.24. Day range $274.54–$283.50, opened at $275.93.
- Volume was 641.30K shares, 0.6x its 50-day average of 1.01M.
- Price is +9.4% vs its 50-day average ($256.28) and +39.2% vs its 200-day average ($201.47).
- 52-week range $79.76–$355.00; today's close sits at 73% of that range, 21.0% below the 52-week high.
SIMO latest news & SEC filings
Every SEC filing by or about SIMO in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 16, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Oct 8, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Sep 22, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Aug 14, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Aug 11, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Aug 10, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Aug 6, 2026 · Form 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 30, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Jul 24, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Jul 8, 2026 · Form 6-K — Report from a foreign company (6-K)
Report from a foreign company (6-K) — news it published at home
Jun 24, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Shieh Han-Ping sold 1,000 shares at $328.00 (≈$328.00K) on Jun 18, 2026
- Shieh Han-Ping sold 1,000 shares at $328.00 (≈$328.00K) on Jun 18, 2026
- Shieh Han-Ping sold 1,000 shares at $328.00 (≈$328.00K) on Jun 18, 2026
- Shieh Han-Ping sold 1,000 shares at $328.00 (≈$328.00K) on Jun 18, 2026
- Shieh Han-Ping sold 1,000 shares at $301.25 (≈$301.25K) on Jun 2, 2026
- Shieh Han-Ping sold 1,000 shares at $301.25 (≈$301.25K) on Jun 2, 2026
- …plus 2 more transaction lines in the filing.
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.
Jun 24, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Lin Kuan-Ming sold 1,000 shares at $320.31 (≈$320.31K) on Jun 18, 2026
- Lin Kuan-Ming sold 1,000 shares at $320.31 (≈$320.31K) on Jun 18, 2026
- Lin Kuan-Ming sold 1,000 shares at $320.31 (≈$320.31K) on Jun 18, 2026
- Lin Kuan-Ming sold 1,000 shares at $320.31 (≈$320.31K) on Jun 18, 2026
- Lin Kuan-Ming sold 1,000 shares at $310.01 (≈$310.01K) on Jun 17, 2026
- Lin Kuan-Ming sold 1,000 shares at $300.00 (≈$300.00K) on Jun 17, 2026
- …plus 6 more transaction lines in the filing.
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.
Things to know before you trade SIMO
- How much it moves: over the last 20 sessions the average daily move was 2.43% (largest 9.3%).
- Liquidity: about 724.83K shares (≈$153.16M) trade per day on average.
- 52-week position: $211.30 vs a range of $79.76–$355.00 (48% of the range).
- Dividends: last ex-dividend date Aug 6, 2026 ($0.5/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, 24 sales; latest: Han-Ping Shieh sold 1,000 shares on Jun 18, 2026.
- Latest filings: 6-K Oct 16, 2026; 6-K Oct 8, 2026; 6-K Sep 22, 2026.
- Listing: Nasdaq · industry: Semiconductors & Related Devices.
SIMO market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 218.90 | 218.93 | 209.14 | 211.30 | 578.90K |
| Oct 15, 2026 | 214.00 | 221.39 | 204.37 | 218.39 | 1.30M |
| Oct 14, 2026 | 240.00 | 241.63 | 220.74 | 223.58 | 1.24M |
| Oct 13, 2026 | 239.00 | 247.17 | 234.00 | 246.63 | 663.90K |
| Oct 12, 2026 | 259.00 | 259.98 | 246.00 | 246.95 | 644.30K |
| Oct 9, 2026 | 268.00 | 270.80 | 256.63 | 263.90 | 447.60K |
| Oct 8, 2026 | 279.10 | 283.35 | 258.01 | 261.89 | 866.40K |
| Oct 7, 2026 | 278.42 | 289.72 | 275.59 | 285.78 | 676.30K |
| Oct 6, 2026 | 286.41 | 294.98 | 281.51 | 284.96 | 1.08M |
| Oct 5, 2026 | 281.57 | 289.00 | 277.36 | 282.45 | 724.50K |
| Oct 2, 2026 | 275.93 | 283.50 | 274.54 | 280.50 | 641.30K |
| Oct 1, 2026 | 279.42 | 281.36 | 272.66 | 275.24 | 491.90K |
| Sep 30, 2026 | 279.21 | 283.76 | 275.02 | 280.00 | 443.90K |
| Sep 29, 2026 | 282.17 | 284.00 | 274.22 | 276.16 | 439.10K |
| Sep 28, 2026 | 273.91 | 280.00 | 269.34 | 278.07 | 413.40K |
| Sep 25, 2026 | 275.80 | 283.99 | 273.06 | 276.23 | 473.10K |
| Sep 24, 2026 | 268.81 | 278.85 | 265.00 | 275.10 | 601.30K |
| Sep 23, 2026 | 278.30 | 281.04 | 267.46 | 276.53 | 557.70K |
| Sep 22, 2026 | 265.60 | 287.37 | 265.60 | 283.26 | 1.23M |
| Sep 21, 2026 | 277.70 | 278.98 | 263.58 | 269.00 | 996.90K |
About Silicon Motion Technology
Silicon Motion Technology (SIMO) is listed on the Nasdaq and classified by the SEC under “Semiconductors & Related Devices”. Its business address is in HONG KONG ISLAND, Hong Kong. State of incorporation: Cayman Islands. Fiscal year ends December 31. SEC CIK 1329394.
SIMO 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 |
|---|---|---|
| Shiang Feng Chen | Director | Mar 27, 2026 |
| Pongchi James Chow | Director | Mar 27, 2026 |
| Tsung-Ming Chung | Director | Mar 27, 2026 |
| Shii Tyng Duann | Director | May 7, 2026 |
| Wallace Chiachang Kou | President and CEO | Apr 9, 2026 |
| Kuan-Ming Lin | Director | Jun 24, 2026 |
| Lien Chun Liu | Director | Mar 27, 2026 |
| Tsungtan Cain Lin | Director | Apr 9, 2026 |
| Han-Ping Shieh | Director | Jun 24, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Tao Cheng | VP of Manufacturing Operations | Apr 9, 2026 |
| Shang-Tzu Ju | SVP of Platform and Strategy | Apr 9, 2026 |
| Wallace Chiachang Kou | President and CEO | Apr 9, 2026 |
| Yueh-Hua Lin | Vice President of Finance | Apr 9, 2026 |
| Po Hung Tsai | CFO | Apr 9, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 18, 2026 | Han-Ping Shieh | Sale | 1,000 | $328.00 |
| Jun 18, 2026 | Han-Ping Shieh | Sale | 1,000 | $328.00 |
| Jun 18, 2026 | Han-Ping Shieh | Sale | 1,000 | $328.00 |
| Jun 18, 2026 | Han-Ping Shieh | Sale | 1,000 | $328.00 |
| Jun 18, 2026 | Kuan-Ming Lin | Sale | 1,000 | $320.31 |
| Jun 18, 2026 | Kuan-Ming Lin | Sale | 1,000 | $320.31 |
| Jun 18, 2026 | Kuan-Ming Lin | Sale | 1,000 | $320.31 |
| Jun 18, 2026 | Kuan-Ming Lin | Sale | 1,000 | $320.31 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $310.01 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $300.00 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $310.01 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $300.00 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $310.01 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $300.00 |
| Jun 17, 2026 | Kuan-Ming Lin | Sale | 1,000 | $310.01 |
SIMO financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| No annual XBRL figures available (foreign filers often report on Form 20-F). | ||||
Latest balance sheet: total assets $—, total liabilities $—, cash $—.
SIMO earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| No 8-K earnings releases in recent filings. | ||
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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.