KOSS
KOSS CORP
+0.07 (+2.08%)3.43USD4.5K成交股數32.5M市值–本益比(近四季)2.5股價營收比+1.6%營收年增(近四季)–下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 0 · 0 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 0 · 0 |
| 近 180 天 淨額 | 0 |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-17 | 02-17 | KOSS MICHAEL J | President and CEO | J 其他 | 12.0K | – | – | 0 | SEC |
| 2025-12-02 | 12-04 | LILLIE LENORE | Director | P 公開市場買進 | 2.5K | 4.96 | 12K | 2.5K | SEC |
| 2025-06-13 | 06-17 | Koss Michael J Jr | VP - Marketing & Product | S 公開市場賣出 | 24.6K | 4.78 | 118K | 26.0K | SEC |
| 2025-06-13 | 06-17 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 24.6K | 1.90 | 47K | 50.6K | SEC |
| 2025-06-12 | 06-17 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 6.0K | 1.90 | 11K | 32.0K | SEC |
| 2025-06-12 | 06-17 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 1.5K | 1.90 | 3K | 198K | SEC |
| 2025-06-12 | 06-17 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 1.5K | 5.02 | 8K | 196K | SEC |
| 2025-06-12 | 06-17 | Koss Michael J Jr | VP - Marketing & Product | S 公開市場賣出 | 6.0K | 4.91 | 29K | 26.0K | SEC |
| 2025-06-11 | 06-17 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 23.5K | 5.65 | 133K | 196K | SEC |
| 2025-06-11 | 06-17 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 23.5K | 1.90 | 45K | 220K | SEC |
| 2025-06-10 | 06-17 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 1.90 | 48K | 221K | SEC |
| 2025-06-10 | 06-17 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 25.0K | 5.80 | 145K | 196K | SEC |
| 2024-12-12 | 12-16 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 25.0K | 7.39 | 185K | 196K | SEC |
| 2024-12-12 | 12-16 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 1.90 | 48K | 221K | SEC |
| 2024-05-30 | 05-31 | KOSS MICHAEL J | President and CEO | J 其他 | 15.0K | – | – | 12.0K | SEC |
| 2024-05-20 | 05-21 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 25.0K | 5.25 | 131K | 196K | SEC |
| 2024-05-20 | 05-21 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 2.17 | 54K | 221K | SEC |
| 2022-06-02 | 06-03 | Sweasy William Jesse | Director | P 公開市場買進 | 2.8K | 7.30 | 21K | 20.0K | SEC |
| 2022-06-01 | 06-02 | Sweasy William Jesse | Director | P 公開市場買進 | 17.2K | 6.96 | 119K | 17.2K | SEC |
| 2021-11-02 | 11-02 | Smith David Donnan | Chief Financial Officer | S 公開市場賣出 | 10.0K | 15.54 | 155K | 0 | SEC |
| 2021-11-02 | 11-02 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 10.0K | 2.63 | 26K | 10.0K | SEC |
| 2021-09-15 | 09-17 | Koss Michael J Jr | VP - Marketing & Product | S 公開市場賣出 | 24.1K | 17.74 | 427K | 26.0K | SEC |
| 2021-09-15 | 09-17 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 15.0K | 2.92 | 44K | 41.0K | SEC |
| 2021-09-15 | 09-17 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 9.1K | 2.17 | 20K | 50.1K | SEC |
| 2021-09-01 | 09-02 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 780 | 1.95 | 2K | 776K | SEC |
| 2021-09-01 | 09-02 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 780 | 18.75 | 15K | 775K | SEC |
| 2021-08-31 | 09-02 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 10.0K | 1.90 | 19K | 161K | SEC |
| 2021-08-31 | 09-02 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 9.2K | 18.51 | 171K | 775K | SEC |
| 2021-08-31 | 09-02 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 9.2K | 1.95 | 18K | 784K | SEC |
| 2021-08-31 | 09-02 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 10.0K | 18.38 | 184K | 151K | SEC |
| 2021-08-30 | 08-31 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 18.26 | 91K | 151K | SEC |
| 2021-08-30 | 08-31 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 5.0K | 1.90 | 10K | 156K | SEC |
| 2021-08-30 | 08-31 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 5.4K | 18.28 | 99K | 775K | SEC |
| 2021-08-30 | 08-31 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 5.4K | 1.95 | 11K | 780K | SEC |
| 2021-08-27 | 08-31 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 4.6K | 1.95 | 9K | 780K | SEC |
| 2021-08-27 | 08-31 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 10.0K | 18.06 | 181K | 151K | SEC |
| 2021-08-27 | 08-31 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 10.0K | 1.90 | 19K | 161K | SEC |
| 2021-08-27 | 08-31 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 4.6K | 18.06 | 83K | 775K | SEC |
| 2021-08-26 | 09-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 8.5K | 18.33 | 156K | 775K | SEC |
| 2021-08-26 | 09-03 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 8.5K | 1.95 | 17K | 783K | SEC |
| 2021-08-25 | 08-26 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 15.0K | 1.90 | 29K | 56.0K | SEC |
| 2021-08-25 | 08-26 | Koss Michael J Jr | VP - Marketing & Product | M 選擇權執行 | 15.0K | 1.95 | 29K | 41.0K | SEC |
| 2021-08-25 | 08-26 | Koss Michael J Jr | VP - Marketing & Product | S 公開市場賣出 | 30.0K | 18.01 | 540K | 26.0K | SEC |
| 2021-08-24 | 08-26 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 16.5K | 1.95 | 32K | 791K | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 25.0K | 20.06 | 501K | 151K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 10.0K | 1.73 | 17K | 110K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 10.0K | 2.20 | 22K | 100K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 22.0K | 2.57 | 57K | 90.0K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 48.0K | 3.00 | 144K | 68.0K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 10.0K | 2.63 | 26K | 20.0K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 10.0K | 1.97 | 20K | 10.0K | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 13.7K | 18.27 | 251K | 176K | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 36.3K | 17.40 | 631K | 190K | SEC |
| 2021-08-24 | 08-26 | Smith David Donnan | Chief Financial Officer | S 公開市場賣出 | 110K | 17.64 | 1.9M | 0 | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 2.17 | 54K | 226K | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 2.92 | 73K | 201K | SEC |
| 2021-08-24 | 08-26 | KOSS JOHN C JR | Vice President - Sales | M 選擇權執行 | 25.0K | 1.95 | 49K | 176K | SEC |
| 2021-08-24 | 08-26 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 16.5K | 19.74 | 326K | 775K | SEC |
| 2021-07-01 | 07-02 | Smith David Donnan | Chief Financial Officer | S 公開市場賣出 | 42.5K | 22.05 | 937K | 7.5K | SEC |
| 2021-07-01 | 07-02 | Smith David Donnan | Chief Financial Officer | M 選擇權執行 | 50.0K | 6.00 | 300K | 50.0K | SEC |
| 2021-07-01 | 07-02 | LILLIE LENORE | VP - Operations | S 公開市場賣出 | 15.0K | 22.27 | 334K | 0 | SEC |
| 2021-07-01 | 07-02 | LILLIE LENORE | VP - Operations | M 選擇權執行 | 6.0K | 1.97 | 12K | 15.0K | SEC |
| 2021-07-01 | 07-02 | LILLIE LENORE | VP - Operations | M 選擇權執行 | 9.0K | 2.20 | 20K | 9.0K | SEC |
| 2021-07-01 | 07-02 | Smith David Donnan | Chief Financial Officer | S 公開市場賣出 | 7.5K | 23.00 | 173K | 0 | SEC |
| 2021-06-15 | 06-16 | Koss Michael J Jr | VP - Marketing & Product | S 公開市場賣出 | 10.0K | 24.30 | 243K | 26.0K | SEC |
| 2021-06-15 | 06-16 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 24.22 | 121K | 151K | SEC |
| 2021-06-14 | 06-16 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 3.0K | 25.20 | 76K | 156K | SEC |
| 2021-06-09 | 06-10 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 27.00 | 135K | 159K | SEC |
| 2021-06-08 | 06-10 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 8.1K | 30.00 | 244K | 164K | SEC |
| 2021-06-03 | 06-03 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 31.35 | 157K | 187K | SEC |
| 2021-06-03 | 06-03 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 35.36 | 177K | 172K | SEC |
| 2021-06-03 | 06-03 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 30.00 | 150K | 182K | SEC |
| 2021-06-03 | 06-03 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 32.50 | 163K | 177K | SEC |
| 2021-06-02 | 06-03 | KOSS JOHN C JR | Vice President - Sales | S 公開市場賣出 | 5.0K | 28.00 | 140K | 192K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 5.0K | 30.00 | 150K | 32.0K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 5.0K | 43.00 | 215K | 27.0K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 25.0K | 26.11 | 653K | 793K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 8.2K | 29.63 | 244K | 775K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | S 公開市場賣出 | 10.0K | 28.18 | 282K | 783K | SEC |
| 2021-06-02 | 06-03 | KOSS MICHAEL J | President and CEO | M 選擇權執行 | 43.2K | 1.95 | 84K | 818K | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 190K | 760K | 不變 | 持平 |
| BlackRock, Inc. | 95.0K | 381K | +5.4K (+6%) | 加碼 |
| GEODE CAPITAL MANAGEMENT, LLC | 59.5K | 239K | +3.6K (+6%) | 加碼 |
| 城堡 CITADEL ADVISORS LLC | 33.1K | 133K | 新進 | 新進 |
| VANGUARD FIDUCIARY TRUST CO | 30.7K | 123K | −594 (-2%) | 減碼 |
| DIMENSIONAL FUND ADVISORS LP | 24.4K | 98K | +2.8K (+13%) | 加碼 |
| STATE STREET CORP | 18.0K | 72K | 不變 | 持平 |
| JAMES INVESTMENT RESEARCH, INC. | 15.5K | 62K | 不變 | 持平 |
| NewEdge Advisors, LLC | 15.5K | 62K | 不變 | 持平 |
| NORTHERN TRUST CORP | 10.3K | 41K | −4.0K (-28%) | 減碼 |
| UBS Group AG | 2.2K | 9K | −4.0K (-65%) | 減碼 |
| Vanguard Global Advisers, LLC | 2.0K | 8K | 不變 | 持平 |
| N.E.W. Advisory Services LLC | 1.0K | 4K | 不變 | 持平 |
| Activest Wealth Management | 1.0K | 4K | 不變 | 持平 |
| Tower Research Capital LLC (TRC) | 672 | 3K | −540 (-45%) | 減碼 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | 300 | 1K | 不變 | 持平 |
| SBI Securities Co., Ltd. | 120 | 481.00 | 不變 | 持平 |
| MORGAN STANLEY | 80 | 321.00 | 不變 | 持平 |
| OSAIC HOLDINGS, INC. | 50 | 200.00 | 不變 | 持平 |
| BARCLAYS PLC | 23 | 92.00 | 新進 | 新進 |
| Crewe Advisors LLC | 20 | 81.00 | 不變 | 持平 |
| Parallel Advisors, LLC | 9 | 36.00 | −1 (-10%) | 減碼 |
| Caitong International Asset Management Co., Ltd | 2 | 8.00 | 新進 | 新進 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 23 +0 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 3 / 3 / 3 / 5 |
| 機構合計持股 · 佔流通股 | 499K · 5.3% |
| 合計季末市值 | 2.0M |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 88.4K |
|---|---|
| 與上期比 | -11.2% |
| 佔流通股數 | 0.93% |
| 日均成交量 | 17.3K |
| 回補天數 | 5.1 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 88.4K | -11.2% | 0.93% | 17.3K | 5.1 |
| 2026-08-14 | 99.6K | -13.4% | 1.05% | 15.0K | 6.6 |
| 2026-07-31 | 115K | +32.4% | 1.22% | 16.2K | 7.1 |
| 2026-07-15 | 86.9K | -5.7% | 0.92% | 21.4K | 4.1 |
| 2026-06-30 | 92.1K | -0.6% | 0.97% | 20.9K | 4.4 |
| 2026-06-15 | 92.7K | -17.3% | 0.98% | 25.1K | 3.7 |
| 2026-05-29 | 112K | -2.3% | 1.18% | 21.5K | 5.2 |
| 2026-05-15 | 115K | +16.2% | 1.21% | 27.9K | 4.1 |
| 2026-04-30 | 98.7K | -4.8% | 1.04% | 40.6K | 2.4 |
| 2026-04-15 | 104K | +3.6% | 1.10% | 14.2K | 7.3 |
| 2026-03-31 | 100K | -1.9% | 1.06% | 24.0K | 4.2 |
| 2026-03-13 | 102K | -1.1% | 1.08% | 18.6K | 5.5 |
| 2026-02-27 | 103K | -5.9% | 1.09% | 21.4K | 4.8 |
| 2026-02-13 | 110K | -27.6% | 1.16% | 36.2K | 3.0 |
| 2026-01-30 | 151K | +6.3% | 1.60% | 39.1K | 3.9 |
| 2026-01-15 | 142K | +44.5% | 1.51% | 69.1K | 2.1 |
| 2025-12-31 | 98.6K | +9.3% | 1.04% | 43.7K | 2.3 |
| 2025-12-15 | 90.3K | -31.1% | 0.95% | 25.4K | 3.6 |
| 2025-11-28 | 131K | -2.4% | 1.38% | 23.7K | 5.5 |
| 2025-11-14 | 134K | -8.3% | 1.42% | 31.5K | 4.3 |
| 2025-10-31 | 146K | +7.9% | 1.54% | 54.9K | 2.7 |
| 2025-10-15 | 136K | -13.6% | 1.43% | 53.9K | 2.5 |
| 2025-09-30 | 157K | -4.4% | 1.66% | 28.9K | 5.4 |
| 2025-09-15 | 164K | -13.6% | 1.73% | 46.2K | 3.6 |
| 2025-08-29 | 190K | -5.0% | 2.01% | 108K | 1.8 |
| 2025-08-15 | 200K | -19.3% | 2.11% | 39.8K | 5.0 |