Seagate Technology (STX) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $690.81, -3.19% vs the prior close of $713.54.
- Volume 5.87M shares, 1.4x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
STX slides 3.2% to $690.81, a 3-month low, 4 down days in a row. Closed at $690.81, -3.19% vs the prior close of $713.54. Day range $652.29–$691.99, opened at $679.99.
STX 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 — STX slides 3.2% to $690.81, a 3-month low, 4 down days in a row
- Closed at $690.81, -3.19% vs the prior close of $713.54. Day range $652.29–$691.99, opened at $679.99.
- Volume was 5.87M shares, 1.4x its 50-day average of 4.26M.
- Price is -18.3% vs its 50-day average ($845.93) and +2.7% vs its 200-day average ($672.66).
- 52-week range $209.00–$1,145.00; today's close sits at 51% of that range, 39.7% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — STX slides 4.5% to $713.54, a 3-month low, 3 down days in a row
- Closed at $713.54, -4.50% vs the prior close of $747.20. Day range $711.63–$751.81, opened at $733.04.
- Volume was 4.23M shares, 1.0x its 50-day average of 4.28M.
- Price is -15.9% vs its 50-day average ($848.87) and +6.4% vs its 200-day average ($670.61).
- 52-week range $209.00–$1,145.00; today's close sits at 54% of that range, 37.7% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — STX dips 0.8% to $747.20, a 1-month low
- Closed at $747.20, -0.80% vs the prior close of $753.25. Day range $693.93–$749.00, opened at $693.93.
- Volume was 6.79M shares, 1.6x its 50-day average of 4.25M.
- Price is -12.2% vs its 50-day average ($851.50) and +11.8% vs its 200-day average ($668.47).
- 52-week range $209.00–$1,145.00; today's close sits at 58% of that range, 34.7% below the 52-week high.
Oct 12, 2026 — STX slides 3.8% to $753.25, a 1-month low
- Closed at $753.25, -3.80% vs the prior close of $783.00. Day range $750.68–$770.00, opened at $767.00.
- Volume was 4.10M shares, 1.0x its 50-day average of 4.29M.
- Price is -11.7% vs its 50-day average ($853.18) and +13.1% vs its 200-day average ($666.16).
- 52-week range $209.00–$1,145.00; today's close sits at 58% of that range, 34.2% below the 52-week high.
Oct 9, 2026 — STX rises 1.1% to $783.00
- Closed at $783.00, +1.05% vs the prior close of $774.83. Day range $766.09–$789.59, opened at $784.16.
- Volume was 3.92M shares, 0.9x its 50-day average of 4.36M.
- Price is -8.4% vs its 50-day average ($855.24) and +18.0% vs its 200-day average ($663.81).
- 52-week range $209.00–$1,145.00; today's close sits at 61% of that range, 31.6% below the 52-week high.
Oct 8, 2026 — STX slides 4.1% to $774.83
- Closed at $774.83, -4.05% vs the prior close of $807.57. Day range $770.06–$801.95, opened at $794.45.
- Volume was 5.07M shares, 1.1x its 50-day average of 4.44M.
- Price is -9.5% vs its 50-day average ($856.61) and +17.2% vs its 200-day average ($661.31).
- 52-week range $209.00–$1,145.00; today's close sits at 60% of that range, 32.3% below the 52-week high.
Oct 7, 2026 — STX ends flat (+0.2%) to $807.57
- Closed at $807.57, +0.24% vs the prior close of $805.63. Day range $780.90–$810.78, opened at $784.25.
- Volume was 4.42M shares, 1.0x its 50-day average of 4.53M.
- Price is -5.7% vs its 50-day average ($856.40) and +22.6% vs its 200-day average ($658.92).
- 52-week range $209.00–$1,145.00; today's close sits at 64% of that range, 29.5% below the 52-week high.
Oct 6, 2026 — STX slides 9.2% to $805.63
- Closed at $805.63, -9.18% vs the prior close of $887.09. Day range $798.62–$863.50, opened at $857.12.
- Volume was 7.28M shares, 1.6x its 50-day average of 4.48M.
- Price is -5.8% vs its 50-day average ($855.20) and +22.7% vs its 200-day average ($656.34).
- 52-week range $209.00–$1,145.00; today's close sits at 64% of that range, 29.6% below the 52-week high.
Oct 5, 2026 — STX jumps 4.5% to $887.09
- Closed at $887.09, +4.49% vs the prior close of $848.99. Day range $875.00–$903.00, opened at $876.00.
- Volume was 5.59M shares, 1.2x its 50-day average of 4.47M.
- Price is +3.7% vs its 50-day average ($855.42) and +35.7% vs its 200-day average ($653.70).
- 52-week range $209.00–$1,145.00; today's close sits at 72% of that range, 22.5% below the 52-week high.
Oct 2, 2026 — STX slides 10.2% to $848.99 on 3.2x normal volume
- Closed at $848.99, -10.21% vs the prior close of $945.57. Day range $791.75–$852.29, opened at $822.56.
- Volume was 13.58M shares, 3.2x its 50-day average of 4.29M — unusually heavy trading.
- Price is -0.7% vs its 50-day average ($854.72) and +30.5% vs its 200-day average ($650.71).
- 52-week range $209.00–$1,145.00; today's close sits at 68% of that range, 25.9% below the 52-week high.
STX latest news & SEC filings
Every SEC filing by or about STX in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 2, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Mosley William D sold 360 shares at $929.01 (≈$334.44K) on Oct 1, 2026; now holds 372,750
- Mosley William D sold 855 shares at $930.03 (≈$795.18K) on Oct 1, 2026; now holds 371,895
- Mosley William D sold 1,665 shares at $930.99 (≈$1.55M) on Oct 1, 2026; now holds 370,230
- Mosley William D sold 1,320 shares at $932.04 (≈$1.23M) on Oct 1, 2026; now holds 368,910
- Mosley William D sold 840 shares at $933.28 (≈$783.95K) on Oct 1, 2026; now holds 368,070
- Mosley William D sold 822 shares at $934.35 (≈$768.04K) on Oct 1, 2026; now holds 367,248
- …plus 10 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.
Oct 2, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Mosley William D converted options/RSUs into 14,000 shares at $46.23 (≈$647.22K) on Oct 1, 2026; now holds 392,108
- Mosley William D sold 360 shares at $898.10 (≈$323.31K) on Oct 1, 2026; now holds 391,748
- Mosley William D sold 517 shares at $900.46 (≈$465.54K) on Oct 1, 2026; now holds 391,231
- Mosley William D sold 440 shares at $901.49 (≈$396.65K) on Oct 1, 2026; now holds 390,791
- Mosley William D sold 384 shares at $902.55 (≈$346.58K) on Oct 1, 2026; now holds 390,407
- Mosley William D sold 696 shares at $903.36 (≈$628.74K) on Oct 1, 2026; now holds 389,711
- …plus 23 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.
Sep 22, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Morris John Christopher converted options/RSUs into 915 shares at $158.40 (≈$144.94K) on Sep 21, 2026; now holds 32,047
- Morris John Christopher sold 40 shares at $863.66 (≈$34.55K) on Sep 21, 2026; now holds 32,007
- Morris John Christopher sold 80 shares at $865.11 (≈$69.21K) on Sep 21, 2026; now holds 31,927
- Morris John Christopher sold 40 shares at $865.80 (≈$34.63K) on Sep 21, 2026; now holds 31,887
- Morris John Christopher sold 160 shares at $868.11 (≈$138.90K) on Sep 21, 2026; now holds 31,727
- Morris John Christopher sold 80 shares at $869.21 (≈$69.54K) on Sep 21, 2026; now holds 31,647
- …plus 21 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.
Sep 21, 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 16, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Romano Gianluca converted options/RSUs into 90,380 shares on Sep 14, 2026; now holds 120,740
- Romano Gianluca sold 49,984 shares at $772.16 (≈$38.60M) on Sep 15, 2026; now holds 70,756
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 16, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Chong Kian Fatt converted options/RSUs into 14,470 shares on Sep 14, 2026; now holds 25,093
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 9, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 3.02 — Sold unregistered shares.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
- Item 8.01 — Reported other events the company considers important.
Sep 8, 2026 · ARS — Annual report to shareholders
Annual report to shareholders
Sep 8, 2026 · DEFA14A — Additional proxy materials
Additional proxy materials
Sep 8, 2026 · DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Sep 4, 2026 · 8-K — 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 5, 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.
Aug 4, 2026 · 10-K — Annual report (audited full-year financial statements and business review)
Annual report (audited full-year financial statements and business review)
Fiscal year ended Jul 3, 2026:
- Revenue: $12.20B (prior year $9.10B) (+34.1% vs Jun 27, 2025)
- Net income: $3.18B (prior year $1.47B) (+116.7% vs Jun 27, 2025)
- Diluted EPS: $13.90 (prior year $6.77) (+105.3% vs Jun 27, 2025)
Jul 31, 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 28, 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).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade STX
- Last results release: Jul 28, 2026 (8-K Item 2.02). Previous ones: Apr 28, 2026, Jan 27, 2026, Oct 28, 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 3.20% (largest 10.2%). That is a volatile stock.
- Liquidity: about 4.90M shares (≈$3.38B) trade per day on average.
- 52-week position: $690.81 vs a range of $209.00–$1,145.00 (51% of the range).
- Dividends: last ex-dividend date Sep 24, 2026 ($0.74/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: John Christopher Morris sold 40 shares on Sep 21, 2026.
- Latest filings: 8-K Sep 9, 2026; 8-K Sep 4, 2026; 10-K Aug 4, 2026.
- Share count: 226.64M shares outstanding (Jul 31, 2026), +6.6% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Computer Storage Devices.
STX market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 679.99 | 691.99 | 652.29 | 690.81 | 5.87M |
| Oct 14, 2026 | 733.04 | 751.81 | 711.63 | 713.54 | 4.23M |
| Oct 13, 2026 | 693.93 | 749.00 | 693.93 | 747.20 | 6.79M |
| Oct 12, 2026 | 767.00 | 770.00 | 750.68 | 753.25 | 4.10M |
| Oct 9, 2026 | 784.16 | 789.59 | 766.09 | 783.00 | 3.92M |
| Oct 8, 2026 | 794.45 | 801.95 | 770.06 | 774.83 | 5.07M |
| Oct 7, 2026 | 784.25 | 810.78 | 780.90 | 807.57 | 4.42M |
| Oct 6, 2026 | 857.12 | 863.50 | 798.62 | 805.63 | 7.28M |
| Oct 5, 2026 | 876.00 | 903.00 | 875.00 | 887.09 | 5.59M |
| Oct 2, 2026 | 822.56 | 852.29 | 791.75 | 848.99 | 13.58M |
| Oct 1, 2026 | 911.16 | 946.36 | 893.75 | 945.57 | 2.48M |
| Sep 30, 2026 | 921.00 | 928.92 | 907.03 | 922.34 | 3.08M |
| Sep 29, 2026 | 943.50 | 944.43 | 900.10 | 913.45 | 2.59M |
| Sep 28, 2026 | 912.10 | 932.87 | 870.38 | 921.51 | 3.40M |
| Sep 25, 2026 | 924.36 | 924.36 | 903.53 | 916.83 | 2.80M |
| Sep 24, 2026 | 914.66 | 926.01 | 898.80 | 905.92 | 3.07M |
| Sep 23, 2026 | 913.20 | 927.00 | 885.00 | 923.86 | 3.24M |
| Sep 22, 2026 | 857.69 | 936.94 | 856.39 | 919.84 | 5.27M |
| Sep 21, 2026 | 894.27 | 914.82 | 861.96 | 877.33 | 4.19M |
| Sep 18, 2026 | 814.69 | 872.00 | 807.03 | 858.79 | 6.97M |
About Seagate Technology
Seagate Technology (STX) is listed on the Nasdaq and classified by the SEC under “Computer Storage Devices”. Its business address is in SINGAPORE, Singapore. Fiscal year ends June 27. SEC CIK 1137789.
STX 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 |
|---|---|---|
| Mark Adams | Director | Oct 28, 2025 |
| Shankar Arumugavelu | Director | Jun 4, 2026 |
| Prat Bhatt | Director | Jun 2, 2026 |
| Judy Bruner | Director | Oct 21, 2025 |
| Michael R Cannon | Director | Oct 28, 2025 |
| Richard L Clemmer | Director | Oct 28, 2025 |
| Yolanda Lee Conyers | Director | Sep 3, 2026 |
| Jay L Geldmacher | Director | Feb 2, 2026 |
| Dylan G. Haggart | Director | Oct 28, 2025 |
| William D Mosley | CEO | Sep 16, 2026 |
| Thomas A Szlosek | Director | Nov 12, 2025 |
| Stephanie Tilenius | Director | May 6, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Kian Fatt Chong | EVP Global Operations | Sep 16, 2026 |
| James Ci Lee | EVP & CLO | Aug 26, 2026 |
| William D Mosley | CEO | Sep 16, 2026 |
| John Christopher Morris | EVP & CTO | Sep 22, 2026 |
| Gianluca Romano | EVP & CFO | Sep 16, 2026 |
| Ban Seng Teh | EVP & Chief Commercial Officer | Sep 16, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 21, 2026 | John Christopher Morris | Sale | 40 | $902.07 |
| Sep 21, 2026 | John Christopher Morris | Sale | 40 | $899.53 |
| Sep 21, 2026 | John Christopher Morris | Sale | 40 | $863.66 |
| Sep 21, 2026 | John Christopher Morris | Sale | 80 | $865.11 |
| Sep 21, 2026 | John Christopher Morris | Sale | 40 | $865.80 |
| Sep 21, 2026 | John Christopher Morris | Sale | 160 | $868.11 |
| Sep 21, 2026 | John Christopher Morris | Sale | 80 | $869.21 |
| Sep 21, 2026 | John Christopher Morris | Sale | 200 | $870.28 |
| Sep 21, 2026 | John Christopher Morris | Sale | 520 | $871.56 |
| Sep 21, 2026 | John Christopher Morris | Sale | 1,000 | $872.42 |
| Sep 21, 2026 | John Christopher Morris | Sale | 1,040 | $873.49 |
| Sep 21, 2026 | John Christopher Morris | Sale | 986 | $874.50 |
| Sep 21, 2026 | John Christopher Morris | Sale | 974 | $875.35 |
| Sep 21, 2026 | John Christopher Morris | Sale | 760 | $876.54 |
| Sep 21, 2026 | John Christopher Morris | Sale | 418 | $877.36 |
STX financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Jul 3, 2026 | $12.20B | $3.18B | 13.90 | $3.67B |
| Jun 27, 2025 | $9.10B | $1.47B | 6.77 | $1.08B |
| Jun 28, 2024 | $6.55B | $335.00M | 1.58 | $918.00M |
| Jun 30, 2023 | $7.38B | $-529.00M | -2.56 | $942.00M |
| Jul 1, 2022 | $11.66B | $1.65B | 7.36 | $1.66B |
Latest balance sheet: total assets $9.97B, total liabilities $7.80B, cash $1.70B (as of Jul 3, 2026).
STX earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 28, 2026 | 8-K Item 2.02 (results) | $747.30 |
| Apr 28, 2026 | 8-K Item 2.02 (results) | $579.03 |
| Jan 27, 2026 | 8-K Item 2.02 (results) | $371.76 |
| Oct 28, 2025 | 8-K Item 2.02 (results) | $223.00 |
| Jul 30, 2025 | 8-K Item 2.02 (results) | $147.42 |
| Jul 29, 2025 | 8-K Item 2.02 (results) | $152.68 |
| Apr 29, 2025 | 8-K Item 2.02 (results) | $81.60 |
| Jan 21, 2025 | 8-K Item 2.02 (results) | $101.25 |
| Oct 22, 2024 | 8-K Item 2.02 (results) | $112.64 |
| Jul 23, 2024 | 8-K Item 2.02 (results) | — |
| Apr 23, 2024 | 8-K Item 2.02 (results) | — |
| Jan 24, 2024 | 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.