FBIOFortress Biotech, Inc.
- Market cap
- $64.37M
- as of 2026-10-23
- Latest close
- $1.93
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-11-16
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Jin DavidChief Financial Officer | Oct 1 | Oct 1 | A | 1,190 | $1.82 | $2,165 | 1,652,761 | No | Form 4 |
| Jin DavidChief Financial Officer | Jun 22 | Jun 24 | A | 400,000 | $0.00 | $0 | 1,651,571 | No | Form 4 |
| Jin DavidChief Financial Officer | Apr 1 | Apr 1 | A | 2,967 | $2.18 | $6,468 | 1,251,571 | No | Form 4 |
| Rosenwald Lindsay A MdPRESIDENT, CEO & CHAIRMAN | Mar 18 | Mar 20 | A | 475,424 | $0.00 | $0 | 4,586,841 | No | Form 4 |
| Weiss Michael SExecutive Vice Chairman | Mar 18 | Mar 20 | A | 475,424 | $0.00 | $0 | 2,276,562 | No | Form 4 |
| Lobell J Jay | Jan 1 | Jan 5 | A | 27,322 | $0.00 | $0 | 192,397 | No | Form 4 |
| Hoenlein Malcolm | Jan 1 | Jan 5 | A | 27,322 | $0.00 | $0 | 115,747 | No | Form 4 |
| Harvey Jimmie | Jan 1 | Jan 5 | A | 27,322 | $0.00 | $0 | 146,704 | No | Form 4 |
| Klein Dov | Jan 1 | Jan 5 | A | 27,322 | $0.00 | $0 | 130,105 | No | Form 4 |
| Lorenz Kevin | Jan 1 | Jan 5 | A | 27,322 | $0.00 | $0 | 101,009 | No | Form 4 |
| Jin DavidChief Financial Officer | Oct 1, 2025 | Oct 2, 2025 | A | 2,711 | $1.31 | $3,551 | 1,248,604 | No | Form 4 |
| Jin DavidChief Financial Officer | Apr 1, 2025 | Apr 1, 2025 | A | 5,000 | $1.22 | $6,100 | 1,245,893 | No | Form 4 |
| Rosenwald Lindsay A MdPRESIDENT, CEO & CHAIRMAN | Jan 1, 2025 | Jan 3, 2025 | A | 454,153 | $0.00 | $0 | 4,111,417 | No | Form 4 |
| Weiss Michael SExecutive Vice Chairman | Jan 1, 2025 | Jan 3, 2025 | A | 454,153 | $0.00 | $0 | 1,801,138 | No | Form 4 |
| Hoenlein Malcolm | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 88,425 | No | Form 4 |
| Lorenz Kevin | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 73,687 | No | Form 4 |
| Harvey Jimmie | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 119,382 | No | Form 4 |
| Lu Lucy | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 61,273 | No | Form 4 |
| Klein Dov | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 102,783 | No | Form 4 |
| Lobell J Jay | Jan 1, 2025 | Jan 3, 2025 | A | 49,383 | $0.00 | $0 | 165,075 | No | Form 4 |
| Jin DavidChief Financial Officer | Dec 19, 2024 | Dec 23, 2024 | A | 1,000,000 | $0.00 | $0 | 1,240,893 | No | Form 4 |
| Jin DavidChief Financial Officer | Oct 1, 2024 | Oct 1, 2024 | A | 2,625 | $1.23 | $3,229 | 240,893 | No | Form 4 |
| Rosenwald Lindsay A MdPRESIDENT, CEO & CHAIRMAN | Sep 23, 2024 | Sep 25, 2024 | P | 763,359 | $1.84 | Purchase +$1,404,581 | 3,657,264 | No | Form 4 |
| Rosenwald Lindsay A MdPRESIDENT, CEO & CHAIRMAN | Sep 23, 2024 | Sep 25, 2024 | P · derivative | 763,359 | $0.13 | Purchase +$99,237 | 763,359 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jul 11, 2024 | Jul 15, 2024 | P | 5,000 | $7.48 | Purchase +$37,400 | 127,500 | No | Form 4 |
| Jin DavidChief Financial Officer | Jul 10, 2024 | Jul 12, 2024 | P | 500 | $7.50 | Purchase +$3,750 | 500 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jul 9, 2024 | Jul 11, 2024 | P | 5,000 | $7.39 | Purchase +$36,950 | 122,500 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jul 8, 2024 | Jul 10, 2024 | P | 5,000 | $7.35 | Purchase +$36,750 | 117,500 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jun 28, 2024 | Jul 1, 2024 | P | 20,000 | $1.64 | Purchase +$32,800 | 2,893,905 | No | Form 4 |
| Klein Dov | May 20, 2024 | May 20, 2024 | S | 10,000 | $1.89 | Sale −$18,900 | 53,400 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | May 16, 2024 | May 20, 2024 | P | 10,000 | $1.76 | Purchase +$17,600 | 2,873,905 | No | Form 4 |
| Jin DavidChief Financial Officer | Apr 1, 2024 | Apr 2, 2024 | A | 2,352 | $1.70 | $3,998 | 238,268 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jan 5, 2024 | Jan 9, 2024 | P | 50,000 | $2.38 | Purchase +$119,000 | 2,863,905 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Jan 1, 2024 | Jan 3, 2024 | A | 216,465 | $0.00 | $0 | 2,813,905 | No | Form 4 |
| Rowinsky Eric K | Jan 1, 2024 | Jan 3, 2024 | A | 6,666 | $0.00 | $0 | 68,797 | No | Form 4 |
| Weiss Michael SSee Remarks | Jan 1, 2024 | Jan 3, 2024 | A | 216,465 | $0.00 | $0 | 1,346,985 | No | Form 4 |
| Harvey Jimmie | Jan 1, 2024 | Jan 3, 2024 | A | 6,666 | $0.00 | $0 | 69,999 | No | Form 4 |
| Hoenlein Malcolm | Jan 1, 2024 | Jan 3, 2024 | A | 3,333 | $0.00 | $0 | 39,042 | No | Form 4 |
| Klein Dov | Jan 1, 2024 | Jan 3, 2024 | A | 6,666 | $0.00 | $0 | 63,400 | No | Form 4 |
| Lobell J Jay | Jan 1, 2024 | Jan 3, 2024 | A | 6,666 | $0.00 | $0 | 115,692 | No | Form 4 |
| Lorenz Kevin | Jan 1, 2024 | Jan 3, 2024 | A | 3,333 | $0.00 | $0 | 24,304 | No | Form 4 |
| Lu Lucy | Jan 1, 2024 | Jan 3, 2024 | A | 3,333 | $0.00 | $0 | 11,890 | No | Form 4 |
| Jin DavidChief Financial Officer | Dec 20, 2023 | Dec 22, 2023 | A | 140,000 | $0.00 | $0 | 235,916 | No | Form 4 |
| Weiss Michael SSee Remarks | Nov 14, 2023 | Nov 16, 2023 | P | 147,058 | $1.70 | Purchase +$249,999 | 1,130,520 | No | Form 4 |
| Weiss Michael SSee Remarks | Nov 14, 2023 | Nov 16, 2023 | P · derivative | 147,058 | $1.70 | Purchase +$249,999 | 147,058 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Nov 14, 2023 | Nov 16, 2023 | P | 1,567,515 | $1.70 | Purchase +$2,664,776 | 2,597,440 | No | Form 4 |
| Rosenwald Lindsay A MdPresident, CEO & Chairman | Nov 14, 2023 | Nov 16, 2023 | P · derivative | 1,567,515 | $1.70 | Purchase +$2,664,776 | 1,567,515 | No | Form 4 |