Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-06-11 4:54 pm Purchase | 2026-06-04 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 49,868,571 9.990% | 40,537,267 (+434.42%) | Filing History |
| 2026-05-15 10:48 am Sale | 2026-03-31 | 13G | IMMUNIC INC IMUX | 683 Capital Management, LLC | 474,200 3.400% | -275,800 (-36.77%) | Filing History |
| 2026-05-15 10:26 am Sale | 2026-03-31 | 13G | MODULAR MED INC MODD | 683 Capital Management, LLC | 259,240 4.670% | -16,665 (-6.04%) | Filing History |
| 2026-05-15 10:25 am Sale | 2026-03-31 | 13G | MERSANA THERAPEUTICS INC N MRSN | 683 Capital Management, LLC | 0 0.000% | -351,289 (Position Closed) | Filing History |
| 2026-05-15 10:24 am Purchase | 2026-03-31 | 13G | FRACTYL HEALTH INC GUTS | 683 Capital Management, LLC | 7,679,615 4.810% | 554,615 (+7.78%) | Filing History |
| 2026-03-24 4:48 pm Sale | 2026-03-18 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 9,331,304 3.900% | -3,000,000 (-24.33%) | Filing History |
| 2026-03-10 4:56 pm Purchase | 2026-03-03 | 13G | MODULAR MED INC MODD | 683 Capital Management, LLC | 275,905 5.520% | 213,596 (+342.80%) | Filing History |
| 2026-03-02 11:57 am Purchase | 2026-02-23 | 13G | GOSSAMER BIO INC GOSS | 683 Capital Management, LLC | 12,331,304 5.230% | 12,331,304 (New Position) | Filing History |
| 2026-02-17 4:19 pm Sale | 2025-12-31 | 13G | REVIVA PHARMACEUTICALS HLDGS C RVPH | 683 Capital Management, LLC | 174,625 3.000% | -97,125 (-35.74%) | Filing History |
| 2026-02-17 4:18 pm Sale | 2025-12-31 | 13G | IMMUNIC INC IMUX | 683 Capital Management, LLC | 750,000 5.900% | -313,445 (-29.47%) | Filing History |
| 2026-02-17 10:09 am Purchase | 2025-12-31 | 13G | MERSANA THERAPEUTICS INC N MRSN | 683 Capital Management, LLC | 351,289 7.030% | 77,869 (+28.48%) | Filing History |
| 2026-02-17 10:08 am Purchase | 2025-12-31 | 13G | PERCEPTIVE CAP SOLUTIONS CORP PCSC | 683 Capital Management, LLC | 640,894 7.190% | 140,894 (+28.18%) | Filing History |
| 2026-01-06 5:38 pm Purchase | 2025-12-29 | 13G | MEREO BIOPHARMA GROUP PLC ADR MREO | 683 Capital Management, LLC | 65,083,815 8.180% | 65,083,815 (New Position) | Filing History |
| 2025-12-30 1:56 pm Purchase | 2025-12-22 | 13G | IN8BIO INC INAB | 683 Capital Management, LLC | 770,445 7.860% | 770,445 (New Position) | Filing History |
| 2025-11-24 5:12 pm Purchase | 2025-11-17 | 13G | MERSANA THERAPEUTICS INC N MRSN | 683 Capital Management, LLC | 273,420 5.470% | 273,420 (New Position) | Filing History |
| 2025-11-14 12:26 pm Sale | 2025-08-14 | 13G | MODULAR MED INC MODD | 683 Capital Management, LLC | 62,309 3.300% | -12,424 (-16.62%) | Filing History |
| 2025-11-14 12:24 pm Sale | 2025-07-02 | 13G | INSPIRED ENTMT INC INSE | 683 Capital Management, LLC | 1,125,000 4.200% | -575,000 (-33.82%) | Filing History |
| 2025-10-14 4:42 pm Purchase | 2025-10-10 | 13G | FRACTYL HEALTH INC GUTS | 683 Capital Management, LLC | 7,125,000 5.330% | 7,125,000 (New Position) | Filing History |
| 2025-09-29 6:59 pm Purchase | 2025-09-22 | 13G | REVIVA PHARMACEUTICALS HLDGS C RVPH | 683 Capital Management, LLC | 271,750 5.360% | 271,750 (New Position) | Filing History |
| 2025-08-08 4:05 pm Purchase | 2025-08-02 | 13G | IMMUNIC INC IMUX | 683 Capital Management, LLC | 1,063,445 9.900% | 1,063,445 (New Position) | Filing History |