RSSS
Research Solutions, Inc.
+0.04 (+1.94%)2.10USD13.2K成交股數70.9M市值23.3本益比(近四季)1.5股價營收比-4.3%營收年增(近四季)2026-11-12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 · 0.00 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
| 其中 10b5-1 計畫賣出 | 0 筆 |
| 近 180 天 買進 · 賣出金額 | 0.00 · 0.00 |
| 近 180 天 淨額 | 0.00 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-31 | 08-03 | Cohen Sefton | Chief Revenue Officer | D 處分 | 284K | 2.20 | 625K | 75.9K | SEC |
| 2026-03-18 | 05-06 | Cohen Sefton | Chief Revenue Officer | A 獲配股票 | 80.0K | 2.29 | 183K | 360K | SEC |
| 2025-12-19 | 12-22 | Kutil David | CFO & Secretary | F 繳稅扣股 | 758 | 2.89 | 2K | 29.2K | SEC |
| 2025-12-10 | 12-22 | Kutil David | CFO & Secretary | A 獲配股票 | 30.0K | 3.00 | 90K | 30.0K | SEC |
| 2025-11-17 | 11-21 | Regazzi John J | Director | M 選擇權執行 | 150K | 0.70 | 105K | 319K | SEC |
| 2025-11-12 | 12-12 | MCPEAK MERRILL A | Director | M 選擇權執行 | 75.0K | 0.70 | 53K | 485K | SEC |
| 2025-09-19 | 09-26 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 1.4K | 3.66 | 5K | 607K | SEC |
| 2025-09-19 | 09-26 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 2.2K | 3.66 | 8K | 378K | SEC |
| 2025-06-20 | 06-23 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 2.9K | 2.69 | 8K | 381K | SEC |
| 2025-06-20 | 06-23 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 933 | 2.69 | 3K | 544K | SEC |
| 2025-06-20 | 06-23 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 2.1K | 2.69 | 6K | 608K | SEC |
| 2025-06-18 | 06-18 | MCPEAK MERRILL A | Director | M 選擇權執行 | 75.0K | 1.10 | 83K | 410K | SEC |
| 2025-06-05 | 06-06 | Regazzi John J | Director | M 選擇權執行 | 16.0K | 0.80 | 13K | 169K | SEC |
| 2025-06-05 | 06-06 | Regazzi John J | Director | M 選擇權執行 | 30.0K | 1.10 | 33K | 153K | SEC |
| 2025-05-02 | 06-04 | MCPEAK MERRILL A | Director | M 選擇權執行 | 50.0K | 1.05 | 53K | 335K | SEC |
| 2025-03-20 | 03-21 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 41.7K | 2.85 | 119K | 384K | SEC |
| 2025-03-20 | 03-21 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 44.5K | 2.85 | 127K | 610K | SEC |
| 2025-03-20 | 03-21 | Cohen Sefton | Chief Revenue Officer | F 繳稅扣股 | 35.1K | 2.85 | 100K | 280K | SEC |
| 2025-03-20 | 03-21 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 22.0K | 2.85 | 63K | 544K | SEC |
| 2024-12-20 | 12-23 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 919 | 3.93 | 4K | 566K | SEC |
| 2024-12-20 | 12-23 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 2.0K | 3.93 | 8K | 655K | SEC |
| 2024-12-20 | 12-23 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 2.2K | 3.93 | 9K | 425K | SEC |
| 2024-12-20 | 12-23 | Cohen Sefton | Chief Revenue Officer | F 繳稅扣股 | 25.0K | 3.93 | 98K | 315K | SEC |
| 2024-11-12 | 11-14 | Cohen Sefton | Chief Revenue Officer | A 獲配股票 | 340K | – | – | 340K | SEC |
| 2024-09-20 | 09-24 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 3.0K | 2.82 | 8K | 657K | SEC |
| 2024-09-20 | 09-24 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 2.9K | 2.82 | 8K | 427K | SEC |
| 2024-09-20 | 09-24 | Hunt Shane Alan | Chief Revenue Officer | F 繳稅扣股 | 530 | 2.82 | 1K | 386K | SEC |
| 2024-09-20 | 09-24 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 1.8K | 2.82 | 5K | 567K | SEC |
| 2024-06-20 | 06-24 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 3.8K | 2.63 | 10K | 430K | SEC |
| 2024-06-20 | 06-24 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 2.8K | 2.63 | 7K | 569K | SEC |
| 2024-06-20 | 06-24 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 4.0K | 2.63 | 10K | 660K | SEC |
| 2024-06-20 | 06-24 | Hunt Shane Alan | Chief Revenue Officer | F 繳稅扣股 | 713 | 2.63 | 2K | 386K | SEC |
| 2024-03-22 | 03-25 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 2.6K | 2.85 | 7K | 3.0M | SEC |
| 2024-03-21 | 03-25 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 26.5K | 2.86 | 76K | 3.0M | SEC |
| 2024-03-20 | 03-25 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 40.4K | 2.87 | 116K | 3.0M | SEC |
| 2024-03-20 | 03-21 | Hunt Shane Alan | Chief Revenue Officer | F 繳稅扣股 | 23.0K | 2.85 | 65K | 387K | SEC |
| 2024-03-20 | 03-21 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 17.0K | 2.85 | 49K | 572K | SEC |
| 2024-03-20 | 03-21 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 29.5K | 2.85 | 84K | 434K | SEC |
| 2024-03-20 | 03-21 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 32.3K | 2.85 | 92K | 664K | SEC |
| 2024-01-24 | 01-24 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 61 | 2.70 | 164.70 | 3.0M | SEC |
| 2024-01-23 | 01-24 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 11.5K | 2.71 | 31K | 3.0M | SEC |
| 2024-01-22 | 01-24 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 30.3K | 2.63 | 80K | 3.0M | SEC |
| 2024-01-19 | 01-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 1.3K | 2.60 | 3K | 3.1M | SEC |
| 2024-01-18 | 01-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 20.1K | 2.60 | 52K | 3.1M | SEC |
| 2024-01-17 | 01-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 10 | 2.60 | 26.00 | 3.1M | SEC |
| 2024-01-16 | 01-16 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 22 | 2.60 | 57.20 | 3.1M | SEC |
| 2024-01-12 | 01-16 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 636 | 2.60 | 2K | 3.1M | SEC |
| 2024-01-11 | 01-16 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 3.5K | 2.60 | 9K | 3.1M | SEC |
| 2024-01-10 | 01-16 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 8.8K | 2.60 | 23K | 3.1M | SEC |
| 2024-01-09 | 01-09 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 69.7K | 2.70 | 188K | 3.1M | SEC |
| 2024-01-08 | 01-09 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 15.0K | 2.71 | 41K | 3.2M | SEC |
| 2024-01-05 | 01-09 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 9.5K | 2.63 | 25K | 3.2M | SEC |
| 2024-01-04 | 01-04 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 476 | 2.60 | 1K | 3.2M | SEC |
| 2024-01-03 | 01-04 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 7.4K | 2.62 | 19K | 3.2M | SEC |
| 2024-01-02 | 01-04 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 1.4K | 2.60 | 4K | 3.2M | SEC |
| 2023-12-29 | 01-04 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 2.2K | 2.61 | 6K | 3.2M | SEC |
| 2023-12-28 | 12-28 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 383 | 2.60 | 995.80 | 3.2M | SEC |
| 2023-12-27 | 12-28 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 17.1K | 2.64 | 45K | 3.2M | SEC |
| 2023-12-26 | 12-28 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 9.7K | 2.61 | 25K | 3.2M | SEC |
| 2023-12-22 | 12-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 20.2K | 2.65 | 54K | 3.2M | SEC |
| 2023-12-22 | 12-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 7.6K | 2.63 | 20K | 3.2M | SEC |
| 2023-12-21 | 12-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 27.7K | 2.65 | 73K | 3.3M | SEC |
| 2023-12-20 | 12-22 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 2.5K | 2.66 | 7K | 464K | SEC |
| 2023-12-20 | 12-22 | Hunt Shane Alan | Chief Revenue Officer | F 繳稅扣股 | 553 | 2.66 | 1K | 410K | SEC |
| 2023-12-20 | 12-22 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 2.4K | 2.66 | 6K | 589K | SEC |
| 2023-12-20 | 12-22 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 13.9K | 2.68 | 37K | 3.3M | SEC |
| 2023-12-20 | 12-22 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 3.1K | 2.66 | 8K | 696K | SEC |
| 2023-12-06 | 12-12 | NURTHEN WILLIAM | CFO & Secretary | A 獲配股票 | 50.0K | – | – | 466K | SEC |
| 2023-11-10 | 11-14 | Derycz Peter | TenPercentOwner | S 公開市場賣出 | 18.0K | 2.34 | 42K | 3.3M | SEC |
| 2023-09-20 | 09-22 | OLIVIER ROY W | CEO & President | F 繳稅扣股 | 7.5K | 2.48 | 19K | 699K | SEC |
| 2023-09-20 | 09-22 | AHLBERG SCOTT | Chief Operating Officer | F 繳稅扣股 | 5.1K | 2.48 | 13K | 591K | SEC |
| 2023-09-20 | 09-22 | NURTHEN WILLIAM | CFO & Secretary | F 繳稅扣股 | 5.0K | 2.48 | 12K | 416K | SEC |
| 2023-09-20 | 09-22 | Hunt Shane Alan | Chief Revenue Officer | F 繳稅扣股 | 931 | 2.48 | 2K | 411K | SEC |
| 2023-09-18 | 09-19 | BRISTOL INVESTMENT FUND LTD | Other | S 公開市場賣出 | 325K | 2.45 | 796K | 1.9M | SEC |
| 2023-09-18 | 09-19 | BRISTOL INVESTMENT FUND LTD | Other | S 公開市場賣出 | 77.4K | 2.45 | 190K | 2.2M | SEC |
| 2023-09-18 | 09-19 | BRISTOL INVESTMENT FUND LTD | Other | S 公開市場賣出 | 256K | 2.45 | 628K | 2.3M | SEC |
| 2023-09-18 | 09-19 | KESSLER PAUL L. | Other | S 公開市場賣出 | 491K | 2.45 | 1.2M | 1.4M | SEC |
| 2023-09-18 | 09-19 | KESSLER PAUL L. | Other | S 公開市場賣出 | 325K | 2.45 | 796K | 1.9M | SEC |
| 2023-09-18 | 09-19 | KESSLER PAUL L. | Other | S 公開市場賣出 | 77.4K | 2.45 | 190K | 2.2M | SEC |
| 2023-09-18 | 09-19 | KESSLER PAUL L. | Other | S 公開市場賣出 | 256K | 2.45 | 628K | 2.3M | 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 |
|---|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | 3.2M | 7.3M | 新進 | 新進 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.6M | 5.9M | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | 2.7M | 新進 | 新進 |
| Luxor Capital Group, LP | 652K | 1.5M | 新進 | 新進 |
| BARD ASSOCIATES INC | 609K | 1.4M | 新進 | 新進 |
| PARTHENON LLC | 392K | 910K | 新進 | 新進 |
| Dynamic Advisor Solutions LLC | 366K | 848K | 新進 | 新進 |
| North Star Investment Management Corp. | 357K | 828K | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 295K | 685K | 新進 | 新進 |
| Navalign, LLC | 196K | 455K | 新進 | 新進 |
| VANGUARD FIDUCIARY TRUST CO | 174K | 403K | 新進 | 新進 |
| LPL Financial LLC | 146K | 339K | 新進 | 新進 |
| BlackRock, Inc. | 143K | 332K | 新進 | 新進 |
| 文藝復興 RENAISSANCE TECHNOLOGIES LLC | 106K | 246K | 新進 | 新進 |
| 4Thought Financial Group Inc. | 83.4K | 194K | 新進 | 新進 |
| DIMENSIONAL FUND ADVISORS LP | 82.4K | 191K | 新進 | 新進 |
| Integrated Quantitative Investments LLC | 72.5K | 168K | 新進 | 新進 |
| NORTHERN TRUST CORP | 61.0K | 142K | 新進 | 新進 |
| STATE STREET CORP | 58.8K | 136K | 新進 | 新進 |
| Rothschild Wealth LLC | 51.3K | 119K | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 44.0K | 102K | 新進 | 新進 |
| Greenhaven Road Investment Management, L.P. | 38.5K | 89K | 新進 | 新進 |
| KING LUTHER CAPITAL MANAGEMENT CORP | 35.0K | 81K | 新進 | 新進 |
| 城堡 CITADEL ADVISORS LLC | 28.0K | 65K | 新進 | 新進 |
| NewEdge Advisors, LLC | 25.9K | 60K | 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 | 36 -3 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 36 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 10.9M · 32.4% |
| 合計季末市值 | 25.3M |
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 | 58.2K |
|---|---|
| 與上期比 | -47.2% |
| 佔流通股數 | 0.17% |
| 日均成交量 | 16.6K |
| 回補天數 | 3.5 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 | 58.2K | -47.2% | 0.17% | 16.6K | 3.5 |
| 2026-08-14 | 110K | +12.6% | 0.33% | 30.7K | 3.6 |
| 2026-07-31 | 97.8K | +49.0% | 0.29% | 31.7K | 3.1 |
| 2026-07-15 | 65.6K | -35.8% | 0.19% | 30.4K | 2.2 |
| 2026-06-30 | 102K | +77.7% | 0.30% | 49.3K | 2.1 |
| 2026-06-15 | 57.5K | -2.0% | 0.17% | 76.4K | 1.0 |
| 2026-05-29 | 58.7K | +163.1% | 0.17% | 97.7K | 1.0 |
| 2026-05-15 | 22.3K | -31.6% | 0.07% | 111K | 1.0 |
| 2026-04-30 | 32.6K | +61.9% | 0.10% | 39.7K | 1.0 |
| 2026-04-15 | 20.2K | -30.4% | 0.06% | 46.7K | 1.0 |
| 2026-03-31 | 29.0K | +59.2% | 0.09% | 48.8K | 1.0 |
| 2026-03-13 | 18.2K | +27.6% | 0.05% | 42.5K | 1.0 |
| 2026-02-27 | 14.3K | -62.9% | 0.04% | 142K | 1.0 |
| 2026-02-13 | 38.4K | +131.9% | 0.11% | 84.6K | 1.0 |
| 2026-01-30 | 16.6K | +15.1% | 0.05% | 41.2K | 1.0 |
| 2026-01-15 | 14.4K | +1.2% | 0.04% | 40.9K | 1.0 |
| 2025-12-31 | 14.2K | -22.2% | 0.04% | 56.7K | 1.0 |
| 2025-12-15 | 18.3K | -25.2% | 0.05% | 84.4K | 1.0 |
| 2025-11-28 | 24.4K | -13.8% | 0.07% | 149K | 1.0 |
| 2025-11-14 | 28.4K | +9.5% | 0.08% | 38.4K | 1.0 |
| 2025-10-31 | 25.9K | +22.4% | 0.08% | 63.0K | 1.0 |
| 2025-10-15 | 21.2K | -63.0% | 0.06% | 80.0K | 1.0 |
| 2025-09-30 | 57.3K | +218.9% | 0.17% | 301K | 1.0 |
| 2025-09-15 | 18.0K | +28.3% | 0.05% | 56.9K | 1.0 |
| 2025-08-29 | 14.0K | -30.1% | 0.04% | 68.3K | 1.0 |
| 2025-08-15 | 20.0K | -6.6% | 0.06% | 94.7K | 1.0 |