American Superconductor (AMSC) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $26.89, +4.83% vs the prior close of $25.65.
- Volume 1.13M shares, 1.6x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
AMSC jumps 4.8% to $26.89. Closed at $26.89, +4.83% vs the prior close of $25.65. Day range $24.08–$27.05, opened at $24.71.
AMSC 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 — AMSC jumps 4.8% to $26.89
- Closed at $26.89, +4.83% vs the prior close of $25.65. Day range $24.08–$27.05, opened at $24.71.
- Volume was 1.13M shares, 1.6x its 50-day average of 712.88K.
- Price is -10.1% vs its 50-day average ($29.91) and -24.5% vs its 200-day average ($35.59).
- 52-week range $24.08–$70.49; today's close sits at 6% of that range, 61.9% below the 52-week high.
Oct 14, 2026 — AMSC slides 10.7% to $25.65, a 52-week low on 1.8x normal volume
- Closed at $25.65, -10.66% vs the prior close of $28.71. Day range $25.38–$28.00, opened at $28.00.
- Volume was 1.28M shares, 1.8x its 50-day average of 704.52K — unusually heavy trading.
- Price is -14.6% vs its 50-day average ($30.03) and -28.0% vs its 200-day average ($35.60).
- 52-week range $24.87–$70.49; today's close sits at 2% of that range, 63.6% below the 52-week high.
- That makes 6 straight losses.
Oct 13, 2026 — AMSC slides 3.0% to $28.71, 5 down days in a row
- Closed at $28.71, -3.01% vs the prior close of $29.60. Day range $28.32–$29.72, opened at $29.18.
- Volume was 604.80K shares, 0.9x its 50-day average of 705.74K.
- Price is -4.9% vs its 50-day average ($30.19) and -19.4% vs its 200-day average ($35.63).
- 52-week range $24.87–$70.49; today's close sits at 8% of that range, 59.3% below the 52-week high.
- That makes 5 straight losses.
Oct 12, 2026 — AMSC slides 3.0% to $29.60, 4 down days in a row
- Closed at $29.60, -3.01% vs the prior close of $30.52. Day range $29.47–$30.51, opened at $30.43.
- Volume was 541.80K shares, 0.8x its 50-day average of 708.13K.
- Price is -2.1% vs its 50-day average ($30.23) and -17.0% vs its 200-day average ($35.64).
- 52-week range $24.87–$70.49; today's close sits at 10% of that range, 58.0% below the 52-week high.
- That makes 4 straight losses.
Oct 9, 2026 — AMSC dips 1.4% to $30.52, 3 down days in a row
- Closed at $30.52, -1.39% vs the prior close of $30.95. Day range $30.30–$31.54, opened at $31.30.
- Volume was 744.30K shares, 1.1x its 50-day average of 708.57K.
- Price is +1.0% vs its 50-day average ($30.23) and -14.4% vs its 200-day average ($35.65).
- 52-week range $24.87–$70.49; today's close sits at 12% of that range, 56.7% below the 52-week high.
- That makes 3 straight losses.
Oct 8, 2026 — AMSC dips 2.5% to $30.95
- Closed at $30.95, -2.49% vs the prior close of $31.74. Day range $30.16–$31.96, opened at $31.14.
- Volume was 1.06M shares, 1.5x its 50-day average of 710.01K.
- Price is +2.5% vs its 50-day average ($30.21) and -13.2% vs its 200-day average ($35.66).
- 52-week range $24.87–$70.49; today's close sits at 13% of that range, 56.1% below the 52-week high.
Oct 7, 2026 — AMSC dips 0.3% to $31.74 on 1.9x normal volume
- Closed at $31.74, -0.35% vs the prior close of $31.85. Day range $29.99–$31.97, opened at $30.57.
- Volume was 1.37M shares, 1.9x its 50-day average of 704.27K — unusually heavy trading.
- Price is +5.4% vs its 50-day average ($30.12) and -11.0% vs its 200-day average ($35.66).
- 52-week range $24.87–$70.49; today's close sits at 15% of that range, 55.0% below the 52-week high.
Oct 6, 2026 — AMSC jumps 6.2% to $31.85, a 1-month high
- Closed at $31.85, +6.24% vs the prior close of $29.98. Day range $30.25–$32.10, opened at $30.49.
- Volume was 846.00K shares, 1.2x its 50-day average of 714.93K.
- Price is +5.9% vs its 50-day average ($30.06) and -10.7% vs its 200-day average ($35.65).
- 52-week range $24.87–$70.49; today's close sits at 15% of that range, 54.8% below the 52-week high.
Oct 5, 2026 — AMSC ends flat (-0.1%) to $29.98
- Closed at $29.98, -0.10% vs the prior close of $30.01. Day range $29.24–$30.30, opened at $30.06.
- Volume was 487.50K shares, 0.7x its 50-day average of 727.60K.
- Price is -0.2% vs its 50-day average ($30.04) and -15.9% vs its 200-day average ($35.64).
- 52-week range $24.87–$70.49; today's close sits at 11% of that range, 57.5% below the 52-week high.
Oct 2, 2026 — AMSC rises 1.7% to $30.01
- Closed at $30.01, +1.73% vs the prior close of $29.50. Day range $29.69–$30.68, opened at $30.37.
- Volume was 534.00K shares, 0.7x its 50-day average of 734.61K.
- Price is -0.1% vs its 50-day average ($30.05) and -15.8% vs its 200-day average ($35.64).
- 52-week range $24.87–$70.49; today's close sits at 11% of that range, 57.4% below the 52-week high.
AMSC latest news & SEC filings
Every SEC filing by or about AMSC in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 21, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Littlefield Barbara G. received an award of 1,607 shares on Sep 18, 2026; now holds 37,034
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 · 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 · 10-Q — Quarterly report (unaudited financial statements for the quarter)
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: $9.49M (prior year $6.72M) (+41.1% vs Jun 30, 2025)
- Diluted EPS: $0.20 (prior year $0.17) (+17.6% vs Jun 30, 2025)
Aug 5, 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 5.07 — Reported shareholder vote results.
This is a results-day filing: the earnings press release is attached as an exhibit.
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.
Jun 18, 2026 · ARS — Annual report to shareholders
Annual report to shareholders
Jun 18, 2026 · DEFA14A — Additional proxy materials
Additional proxy materials
Jun 18, 2026 · DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Things to know before you trade AMSC
- Last results release: Aug 5, 2026 (8-K Item 2.02). Previous ones: May 27, 2026, Feb 4, 2026, Nov 5, 2025. Based on that rhythm, the next report is likely around Nov 4, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.46% (largest 10.7%).
- Liquidity: about 796.74K shares (≈$21.42M) trade per day on average.
- 52-week position: $26.89 vs a range of $24.08–$70.49 (6% 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: Laura A. Dambier sold 4,000 shares on Jun 11, 2026.
- Latest filings: 8-K Sep 21, 2026; 10-Q Aug 5, 2026; 8-K Aug 5, 2026.
- Share count: 48.44M shares outstanding (Jul 31, 2026), +7.3% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Motors & Generators.
AMSC market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 24.71 | 27.05 | 24.08 | 26.89 | 1.13M |
| Oct 14, 2026 | 28.00 | 28.00 | 25.38 | 25.65 | 1.28M |
| Oct 13, 2026 | 29.18 | 29.72 | 28.32 | 28.71 | 604.80K |
| Oct 12, 2026 | 30.43 | 30.51 | 29.47 | 29.60 | 541.80K |
| Oct 9, 2026 | 31.30 | 31.54 | 30.30 | 30.52 | 744.30K |
| Oct 8, 2026 | 31.14 | 31.96 | 30.16 | 30.95 | 1.06M |
| Oct 7, 2026 | 30.57 | 31.97 | 29.99 | 31.74 | 1.37M |
| Oct 6, 2026 | 30.49 | 32.10 | 30.25 | 31.85 | 846.00K |
| Oct 5, 2026 | 30.06 | 30.30 | 29.24 | 29.98 | 487.50K |
| Oct 2, 2026 | 30.37 | 30.68 | 29.69 | 30.01 | 534.00K |
| Oct 1, 2026 | 29.25 | 30.08 | 28.20 | 29.50 | 665.00K |
| Sep 30, 2026 | 29.52 | 29.83 | 28.95 | 29.11 | 742.40K |
| Sep 29, 2026 | 30.00 | 30.26 | 29.02 | 29.17 | 659.00K |
| Sep 28, 2026 | 29.63 | 29.98 | 28.83 | 29.29 | 525.30K |
| Sep 25, 2026 | 30.89 | 31.06 | 29.96 | 30.01 | 676.40K |
| Sep 24, 2026 | 30.22 | 30.74 | 29.69 | 30.42 | 700.10K |
| Sep 23, 2026 | 32.01 | 32.13 | 30.78 | 31.05 | 877.40K |
| Sep 22, 2026 | 30.29 | 31.55 | 30.04 | 31.24 | 922.70K |
| Sep 21, 2026 | 31.00 | 31.00 | 30.12 | 30.24 | 570.60K |
| Sep 18, 2026 | 29.23 | 30.34 | 28.85 | 30.19 | 993.00K |
About American Superconductor
American Superconductor (AMSC) is listed on the Nasdaq and classified by the SEC under “Motors & Generators”. Its business address is in DEVENS, MA. State of incorporation: DE. Fiscal year ends March 31. SEC CIK 880807.
AMSC 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 |
|---|---|---|
| Laura A. Dambier | Director | Jun 12, 2026 |
| Terence Robert Donnelly | Director | Apr 7, 2026 |
| Arthur H House | Director | Apr 7, 2026 |
| Margaret D. Klein | Director | Apr 7, 2026 |
| Barbara G. Littlefield | Director | Sep 21, 2026 |
| Daniel P Mcgahn | Chairman, President and CEO | Jun 11, 2026 |
| David R Jr Oliver | Director | Apr 7, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| John W Jr Kosiba | SVP, CFO & Treasurer | Jun 11, 2026 |
| Daniel P Mcgahn | Chairman, President and CEO | Jun 11, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 11, 2026 | Laura A. Dambier | Sale | 4,000 | $37.63 |
| Jun 11, 2026 | Daniel P Mcgahn | Sale | 4,609 | $37.85 |
| Jun 11, 2026 | Daniel P Mcgahn | Sale | 11,508 | $37.28 |
| Jun 11, 2026 | John W Jr Kosiba | Sale | 5,026 | $37.33 |
| Jun 11, 2026 | John W Jr Kosiba | Sale | 1,743 | $37.85 |
| Jun 8, 2026 | John W Jr Kosiba | Sale | 3,286 | $41.50 |
| Jun 8, 2026 | John W Jr Kosiba | Sale | 1,549 | $42.35 |
| Jun 8, 2026 | Daniel P Mcgahn | Sale | 4,992 | $41.39 |
| Jun 8, 2026 | Daniel P Mcgahn | Sale | 4,678 | $42.19 |
| Jun 3, 2026 | Daniel P Mcgahn | Sale | 4,501 | $49.25 |
| Jun 3, 2026 | Daniel P Mcgahn | Sale | 7,075 | $48.31 |
| Jun 3, 2026 | Daniel P Mcgahn | Sale | 500 | $50.29 |
| Jun 3, 2026 | Daniel P Mcgahn | Sale | 817 | $50.99 |
| Jun 3, 2026 | John W Jr Kosiba | Sale | 2,638 | $49.28 |
| Jun 3, 2026 | John W Jr Kosiba | Sale | 609 | $50.83 |
AMSC financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Mar 31, 2026 | — | $133.81M | 3.05 | $23.15M |
| Mar 31, 2025 | — | $6.03M | 0.16 | $28.29M |
| Mar 31, 2024 | — | $-11.11M | -0.37 | $2.14M |
| Mar 31, 2023 | — | $-35.04M | -1.26 | $-22.48M |
| Mar 31, 2022 | — | $-19.19M | -0.71 | $-18.98M |
Latest balance sheet: total assets $762.22M, total liabilities $189.74M, cash $143.71M (as of Jun 30, 2026).
AMSC earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 5, 2026 | 8-K Item 2.02 (results) | $32.94 |
| May 27, 2026 | 8-K Item 2.02 (results) | $52.68 |
| Feb 4, 2026 | 8-K Item 2.02 (results) | $27.61 |
| Nov 5, 2025 | 8-K Item 2.02 (results) | $59.42 |
| Jul 30, 2025 | 8-K Item 2.02 (results) | $43.94 |
| May 21, 2025 | 8-K Item 2.02 (results) | $24.19 |
| Feb 5, 2025 | 8-K Item 2.02 (results) | $25.52 |
| Oct 30, 2024 | 8-K Item 2.02 (results) | $23.48 |
| Aug 6, 2024 | 8-K Item 2.02 (results) | — |
| May 29, 2024 | 8-K Item 2.02 (results) | — |
| Jan 24, 2024 | 8-K Item 2.02 (results) | — |
| Nov 1, 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.