Security Brokers, Dealers & Flotation Companies
Standard Industrial Classification: SIC 6211
Industry Insider Sentiment Analysis
The Security Brokers, Dealers & Flotation Companies sector (SIC 6211) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-03 12:48 | 2026-04-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Teekell Judson Gray | Director | SELL | $40.00 | 2,700 | $108,000 | 59,338 |
| 2026-04-02 20:05 | 2026-04-01 | IBKR | Interactive Brokers Group, Inc. | Conkling Lori A | Director | BUY | $68.38 | 25 | $1,710 | 2,434 |
| 2026-03-27 10:19 | 2026-03-25 | NMR | NOMURA HOLDINGS INC | Ishizuka Masahiro | Director | BUY | $8.05 | 238 | $1,917 | 336 |
| 2026-03-27 10:15 | 2026-03-25 | NMR | NOMURA HOLDINGS INC | Ogawa Shoji | Director | BUY | $8.05 | 238 | $1,917 | 277 |
| 2026-03-26 20:32 | 2026-03-25 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Teekell Judson Gray | Director | SELL | $40.00 | 300 | $12,000 | 62,038 |
| 2026-03-26 20:01 | 2026-02-25 | IBKR | Interactive Brokers Group, Inc. | Conkling Lori A | Director | BUY | $71.88 | 75 | $5,391 | 2,409 |
| 2026-03-26 14:37 | 2026-03-25 | NMR | NOMURA HOLDINGS INC | Ozaki Yukiko | Officer | BUY | $8.05 | 8 | $64 | 63 |
| 2026-03-24 21:28 | 2026-03-23 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Brown Shelly | Officer | SELL | $39.33 | 25,932 | $1,019,906 | 299,197 |
| 2026-03-24 20:31 | 2026-03-20 | HOOD | Robinhood Markets, Inc. | Bhatt Baiju | Director | SELL | $71.32 | 67,422 | $4,808,530 | 0 |
| 2026-03-24 20:32 | 2026-03-20 | HOOD | Robinhood Markets, Inc. | Pinner Jeffrey Tsvi | Officer | SELL | $71.36 | 5,835 | $416,392 | 23,841 |
| 2026-03-23 16:31 | 2026-03-20 | LGHL | Lion Group Holding Ltd | HRT FINANCIAL LP | 10% owner | SELL | $1.05 | 9,408 | $9,878 | 14,141 |
| 2026-03-23 16:31 | 2026-03-19 | LGHL | Lion Group Holding Ltd | HRT FINANCIAL LP | 10% owner | BUY | $1.10 | 4,122 | $4,534 | 23,549 |
| 2026-03-23 15:42 | 2026-03-19 | COHN | Cohen & Co Inc. | Pooler Joseph W. Jr. | Officer | SELL | $16.99 | 6,818 | $115,822 | 69,073 |
| 2026-03-20 20:48 | 2026-03-19 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Eckert Kurt M. | Director | OPT+S | $39.00 | 37,917 | $1,478,763 | 142,375 |
| 2026-03-20 19:00 | 2026-03-19 | RJF | RAYMOND JAMES FINANCIAL INC | Allaire Bella Loykhter | Officer | SELL | $142.34 | 29,551 | $4,206,289 | 53,586 |
| 2026-03-18 20:53 | 2026-03-16 | HOOD | Robinhood Markets, Inc. | Verma Shiv | Officer | SELL | $75.00 | 5,438 | $407,855 | 58,183 |
| 2026-03-18 20:23 | 2026-03-17 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Schafer Douglas M. JR | Officer | OPT+S | $39.74 | 48,000 | $1,907,520 | 396,681 |
| 2026-03-12 14:13 | 2026-03-10 | SEIC | SEI INVESTMENTS CO | WEST ALFRED P JR | SELL | $80.12 | 62,447 | $5,003,141 | 6,875,783 | |
| 2026-03-10 20:15 | 2026-03-10 | MKTX | MARKETAXESS HOLDINGS INC | Pintoff Scott | Officer | SELL | $184.93 | 100 | $18,493 | 12,086 |
| 2026-03-09 20:31 | 2026-03-05 | HOOD | Robinhood Markets, Inc. | Pinner Jeffrey Tsvi | Officer | SELL | $80.50 | 5,836 | $469,821 | 29,676 |
| 2026-03-09 12:58 | 2024-11-20 | WT | WisdomTree, Inc. | PANKOPF TONIA L | Director | BUY | $11.80 | 277 | $3,268 | 34,962 |
| 2026-03-07 01:52 | 2026-03-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | STAHL MURRAY | Director | BUY | $43.38 | 7,200 | $312,336 | 4,626,642 |
| 2026-03-07 01:57 | 2026-03-05 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | STAHL MURRAY | Director | BUY | $43.08 | 7,200 | $310,176 | 4,633,842 |
| 2026-03-07 00:12 | 2026-03-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | STAHL MURRAY | Director | SELL | $40.92 | 53,578 | $2,192,412 | 4,619,442 |
| 2026-03-06 01:56 | 2026-03-03 | SCHW | SCHWAB CHARLES CORP | Craig Jonathan M. | Officer | SELL | $94.60 | 14,481 | $1,369,897 | 0 |
| 2026-03-06 01:59 | 2026-03-03 | SCHW | SCHWAB CHARLES CORP | Murtagh Nigel J | Officer | SELL | $94.61 | 7,203 | $681,454 | 57,972 |
| 2026-03-06 01:38 | 2026-03-03 | SCHW | SCHWAB CHARLES CORP | Howard Dennis | Officer | SELL | $94.60 | 10,108 | $956,228 | 10,470 |
| 2026-03-06 00:38 | 2026-03-03 | HOOD | Robinhood Markets, Inc. | Gallagher Daniel Martin Jr | Officer | SELL | $75.49 | 10,000 | $754,903 | 452,849 |
| 2026-03-05 22:44 | 2026-03-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | STAHL MURRAY | Director | BUY | $43.38 | 7,200 | $312,336 | 4,696,666 |
| 2026-03-04 23:22 | 2026-03-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | STAHL MURRAY | Director | SELL | $40.92 | 121,054 | $4,953,530 | 4,689,466 |
| 2026-03-04 02:09 | 2026-02-27 | SCHW | SCHWAB CHARLES CORP | Beatty Jonathan S | Officer | SELL | $95.30 | 2,030 | $193,454 | 19,738 |
| 2026-03-04 01:44 | 2026-02-26 | SCHW | SCHWAB CHARLES CORP | Ellis Stephen A | Director | SELL | $96.57 | 10,725 | $1,035,694 | 87,563 |
| 2026-03-04 05:49 | 2026-03-02 | SCHW | SCHWAB CHARLES CORP | Woolway Paul V | Officer | OPT+S | $94.97 | 22,010 | $2,090,389 | 29,866 |
| 2026-03-03 20:40 | 2026-03-02 | OPY | OPPENHEIMER HOLDINGS INC | McNAMARA DENNIS P | Officer | SELL | $90.67 | 4,673 | $423,701 | 20,177 |
| 2026-02-28 01:47 | 2026-02-25 | SCHW | SCHWAB CHARLES CORP | Howard Dennis | Officer | OPT+S | $95.02 | 27,903 | $2,651,343 | 10,470 |
| 2026-02-28 00:04 | 2026-02-24 | FRHC | Freedom Holding Corp. | Lukyanov Sergey | Officer | BUY | $120.52 | 20,000 | $2,410,320 | 152,425 |
| 2026-02-27 00:24 | 2026-02-25 | WT | WisdomTree, Inc. | Lilien R Jarrett | Officer | SELL | $16.84 | 30,000 | $505,200 | 1,140,245 |
| 2026-02-27 02:55 | 2026-02-24 | BLK | BlackRock, Inc. | Kushel J. Richard | Officer | SELL | $1,083.35 | 2,385 | $2,583,790 | 61,980 |
| 2026-02-26 19:59 | 2026-02-25 | SEIC | SEI INVESTMENTS CO | Warner Mark Andrew | OPT+S | $81.74 | 4,000 | $326,960 | 921 | |
| 2026-02-26 00:32 | 2026-02-23 | HOOD | Robinhood Markets, Inc. | Bhatt Baiju | Director | SELL | $72.30 | 65,694 | $4,749,978 | 0 |
| 2026-02-26 02:06 | 2026-02-23 | BLK | BlackRock, Inc. | Cohen Stephen | Officer | SELL | $1,069.56 | 225 | $240,651 | 5,661 |
| 2026-02-21 01:28 | 2026-02-19 | VIRT | Virtu Financial, Inc. | Molluso Joseph | Officer | SELL | $38.88 | 200,000 | $7,776,420 | 326,585 |
| 2026-02-20 00:44 | 2026-02-17 | HOOD | Robinhood Markets, Inc. | Verma Shiv | Officer | SELL | $75.13 | 5,474 | $411,274 | 51,771 |
| 2026-02-19 04:43 | 2026-02-17 | VIRT | Virtu Financial, Inc. | Cavoli Stephen | Officer | SELL | $38.94 | 28,370 | $1,104,657 | 116,191 |
| 2026-02-18 00:14 | 2026-02-12 | FRHC | Freedom Holding Corp. | Gamble Andrew | Director | SELL | $119.39 | 400 | $47,756 | 357 |
| 2026-02-14 00:23 | 2026-02-11 | GS | GOLDMAN SACHS GROUP INC | ROGERS JOHN F.W. | Officer | SELL | $959.37 | 15,855 | $15,210,754 | 9,428 |
| 2026-02-14 01:25 | 2026-02-11 | VIRT | Virtu Financial, Inc. | Cavoli Stephen | Officer | SELL | $38.09 | 71,630 | $2,728,559 | 144,561 |
| 2026-02-14 01:18 | 2026-02-11 | BLK | BlackRock, Inc. | Cohen Stephen | Officer | SELL | $1,073.87 | 2,179 | $2,339,963 | 6,543 |
| 2026-02-14 00:39 | 2026-02-11 | PIPR | PIPER SANDLER COMPANIES | Schoneman Debbra L. | Officer | OPT+S | $350.99 | 5,240 | $1,839,213 | 2,896 |
| 2026-02-13 03:21 | 2026-02-10 | BLK | BlackRock, Inc. | Goldstein Robert L. | Officer | OPT+S | $1,087.02 | 59,483 | $64,658,979 | 46,185 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Security Brokers, Dealers & Flotation Companies sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (6211) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Security Brokers, Dealers & Flotation Companies
Every transaction in the Security Brokers, Dealers & Flotation Companies industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.