What is a Form 4?
A Form 4 is the SEC filing a company insider, such as an officer, director or 10% owner, uses to report a trade in the company's stock, generally within two business days. The animation follows one real filing as an example: Paul P. Rusnak's purchase of Sonic Automotive (SAH) shares on October 7, 2026.
The same reading applies to every row on this page. The trade date is when the shares changed hands. The available date is when NexusTrade treats the filing as public, and a NexusTrade InsiderTrades indicator counts a purchase (code P) or sale (code S) only from that moment. Code A awards are not counted as purchases.
Issuer relationships
A reporting-owner CIK identifies the filer across issuer relationships and name aliases. A filer may be an individual or an organization; the filing role is the relevant evidence.
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| INSWEB CORP | 0001077370 | INSW | No | No |
| WQN, Inc. | 0001089932 | WQNI | No | No |
| KITTY HAWK INC | 0000932110 | KHK | No | No |
| ALDILA INC | 0000902272 | ALDA | No | Yes |
| STAMPS.COM INC | 0001082923 | STMP | No | Yes |
| HORIZON OFFSHORE INC | 0001051431 | HOFF | No | No |
| SYNERGY BRANDS INC | 0000870228 | SYBR | No | Yes |
| DYNTEK INC | 0000879465 | DYTK | No | No |
| INFONOW CORP / | 0000879684 | INOW | No | No |
| MERCURY AIR GROUP INC | 0000052532 | MAX, MYAG | No | No |
| TECHNOLOGY SOLUTIONS COMPANY | 0000877645 | TSCC | No | No |
| PHARMOS CORP | 0000713275 | PARS | No | Yes |
| ALLIANCE SEMICONDUCTOR CORP /DE/ | 0000913293 | ALSC | No | No |
| SIELOX INC | 0001053676 | FAIM, SLXN | No | No |
| GENE LOGIC INC | 0001043914 | GLGC, ORXE | No | Yes |
| BKF CAPITAL GROUP INC | 0000009235 | BKFG | No | No |
| CATHAY MERCHANT GROUP, INC. | 0000352281 | CMQ, CMRC | No | No |
| Blue Earth Refineries Inc. | 0001299795 | BUERF | No | No |
| GENCOR INDUSTRIES INC | 0000064472 | GNCI, GENC | No | No |
| PROXIM WIRELESS CORP | 0000712511 | TRBM, PRXM | No | No |
| LQ CORP INC | 0001016613 | LQCI | No | No |
| CANYON RESOURCES CORP | 0000739460 | CAU | No | No |
| YOUBET COM INC | 0000814055 | UBET | No | No |
| UNITED AMERICAN HEALTHCARE CORP | 0000867963 | UAHC | No | No |
| CENTILLIUM COMMUNICATIONS INC | 0001107194 | CTLM | No | No |
| ALTIGEN COMMUNICATIONS INC | 0001003607 | ATGN | No | No |
| MAIR HOLDINGS INC | 0000835768 | MAIR | No | No |
| TRANS WORLD ENTERTAINMENT CORP | 0000795212 | TWMC | No | No |
| Strasbaugh | 0000919583 | STRB.PK, STRB | No | No |
| DDI CORP | 0001104252 | DDIC | No | Yes |
| LCC INTERNATIONAL INC | 0001016229 | LCCI | No | No |
| LiveWire Mobile, Inc. | 0000915866 | LVWR | No | No |
| ZILOG INC | 0000319450 | ZILG | No | No |
| SILICON STORAGE TECHNOLOGY INC | 0000855906 | SSTI | No | No |
| DITECH NETWORKS INC | 0001080667 | DITC | No | No |
| ITERIS, INC. | 0000350868 | ITI | No | No |
| DETERMINE, INC. | 0001090908 | SLTC, DTRM | No | No |
| MAGNETEK, INC. | 0000751085 | MAG | No | No |
| WPCS INTERNATIONAL INC | 0001086745 | WPCS | No | No |
| HealthWarehouse.com, Inc. | 0000754813 | HEWA | No | No |
| FRANKLIN WIRELESS CORP | 0000722572 | FKWL | No | No |
| CONCURRENT COMPUTER CORP/DE | 0000749038 | CCUR | No | No |
| TRANS WORLD CORP | 0000914577 | TWOC | No | No |
| B. Riley Financial, Inc. | 0001464790 | GAMR, RILY | No | No |
| Capstone Therapeutics Corp. | 0000887151 | CAPS | No | No |
| COSI INC | 0001171014 | COSI | No | No |
| MRV COMMUNICATIONS INC | 0000887969 | MRVC | No | No |
| QUALSTAR CORP | 0000758938 | QBAK | No | No |
| ONVIA INC | 0001100917 | ONVI | No | No |
| CAFEPRESS INC. | 0001117733 | PRSS | No | No |
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Recent SEC transactions
Code P identifies a purchase, S a sale and A an award. Awards and open-market purchases describe different events. Use the public availability date when deciding when a researcher could have known about the transaction.
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Up to 50 transactions from the recent two-year owner window.
Source evidence and strategy eligibility
The transactions below come from filings; a historical tracker separately simulates following eligible events. Joint filers can report the same transaction, and an owner can have filings at multiple companies. Public availability, amendment lineage and verified coverage determine which events a historical tracker may use.
Inspect the coverage status above, the filing availability dates and amendment links when defining a historical signal. Follow the issuer CIK and SEC accession to the source transaction.