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Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.
Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.
About 0.08% of WINT shares are held by financial institutions. TOWER RESEARCH CAPITAL LLC (TRC) is the top corporate investor, holding 2.21K shares valued at $1.14K. A 20.32% stake in Windtree Therapeutics, Inc. is owned by the company. JANE STREET GROUP, LLC owns 14.6K shares valued at $7.53K, which translates its holding of 134.12% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Jun 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 20.32% | 2.21K | 1.14K | 836 | +60.76% |
| Jun 30, 2025 | JANE STREET GROUP, LLC | 134.12% | 14.6K | 7.53K | 14.6K | +100.00% |
| Jun 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.95% | 103 | 53 | 3 | +3.00% |
| Jun 30, 2025 | SBI SECURITIES CO., LTD. | 0.22% | 24 | 12 | 0 | 0 |
| Jun 30, 2025 | UBS GROUP AG | 0.2% | 22 | 11 | -28.74K | -99.92% |
| Jun 30, 2025 | MORGAN STANLEY | 0% | 0 | - | -15K | -100.00% |
| Dec 31, 2023 | PARALLEL ADVISORS, LLC | 0% | 1 | 1 | 0 | 0 |
| Dec 31, 2023 | VIRTU FINANCIAL LLC | 0.65% | 38.88K | 28K | 38.88K | +100.00% |
| Dec 31, 2023 | CITADEL ADVISORS LLC | 0.64% | 38.13K | 27.41K | 38.13K | +100.00% |
| Dec 31, 2023 | WELLS FARGO & COMPANY/MN | 0% | 32 | 23 | 2 | +6.67% |
| Dec 31, 2023 | US BANCORP \DE\ | 0% | 3 | 2 | 0 | 0 |
| Dec 31, 2023 | ALYESKA INVESTMENT GROUP, L.P. | 2.28% | 136.52K | 98.16K | 0 | 0 |
| Dec 31, 2023 | FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 0% | 0 | - | -200 | -100.00% |
| Dec 31, 2023 | VANGUARD GROUP INC | 0.69% | 41.64K | 29.94K | 0 | 0 |
| Dec 31, 2023 | GEODE CAPITAL MANAGEMENT, LLC | 0.24% | 14.2K | 10.21K | 0 | 0 |
| Dec 31, 2023 | UBS GROUP AG | 0.01% | 510 | 366 | -5.4K | -91.37% |
| Dec 31, 2023 | IFP ADVISORS, INC | 0% | 1 | 1 | 0 | 0 |
| Dec 31, 2023 | ADVISOR GROUP HOLDINGS, INC. | 0% | 1 | 1 | 0 | 0 |
Among the WINT insiders holding of 0% of the stake in company, CENTER LABORATORIES, INC., 10 percent owner, holds the largest shares of 1.24M. LEE'S PHARMACEUTICAL HOLDINGS LTD, 10 percent owner, is the second largest WINT insider with ownership of 827.82K shares. LPH II INVESTMENTS LTD, 10 percent owner, stands third with possession of 827.82K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| CENTER LABORATORIES, INC. | 10 percent owner | 1.24M |
| LEE'S PHARMACEUTICAL HOLDINGS LTD | 10 percent owner | 827.82K |
| LPH II INVESTMENTS LTD | 10 percent owner | 827.82K |
| HUANG JAMES | director | 291.28K |
| SIMONSON STEVEN | SVP, Chief Medical Officer | 83.6K |
| HAMILL JOHN P. | SVP & CFO | 72.8K |
| FRASER CRAIG | President and CEO | 8.64K |
| PEACOCK BRUCE | director | 3.5K |
| SCHREIBER BRIAN D | director | 2.07K |
| GEFFKEN DANIEL E. | director | 2.07K |
| LEONE JOHN R | director | 2.07K |
| JOSEPH MAHADY M | director | 2.07K |
| CURTIS ERIC | SVP & COO | 1.29K |
| TEMPLETON MARY B ESQ | SVP, Gen Counsel & Corp Sec | 1.1K |
| TATTORY JOHN A | SVP & CFO | 449 |
| BIOENGINE CAPITAL INC. | 10 percent owner | 0 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Oct 08, 2024 | FRASER CRAIG | PURCHASE | 0.91 | 5.43K | 4.94K | 8.64K |
| Sep 27, 2023 | FRASER CRAIG | PURCHASE | 1.02 | 2.5K | 2.55K | 57.88K |
| Sep 26, 2023 | FRASER CRAIG | PURCHASE | 0.90 | 2.5K | 2.25K | 55.38K |
| Apr 26, 2023 | FRASER CRAIG | PURCHASE | 1.77 | 1.5K | 2.65K | 7.01K |
| Apr 25, 2023 | FRASER CRAIG | PURCHASE | 1.89 | 1.32K | 2.49K | 5.51K |
| Jul 27, 2022 | FRASER CRAIG | PURCHASE | 0.38 | 2.5K | 949.75 | 226.56K |
| Jul 26, 2022 | FRASER CRAIG | PURCHASE | 0.37 | 2.5K | 935 | 224.06K |
| Jul 26, 2022 | HAMILL JOHN P. | PURCHASE | 0.37 | 3K | 1.1K | 72.8K |
| Jun 30, 2022 | FRASER CRAIG | PURCHASE | 0.43 | 4.5K | 1.93K | 221.56K |
| Jun 29, 2022 | FRASER CRAIG | PURCHASE | 0.42 | 7K | 2.91K | 217.06K |
| Mar 16, 2022 | FRASER CRAIG | PURCHASE | 0.98 | 2K | 1.96K | 210.06K |
| Mar 15, 2022 | SIMONSON STEVEN | PURCHASE | 1.00 | 5K | 5K | 83.6K |
| Mar 15, 2022 | FRASER CRAIG | PURCHASE | 0.98 | 3K | 2.94K | 208.06K |
| Dec 30, 2021 | BIOENGINE CAPITAL INC. | SALE | 1.60 | 1.24M | 1.98M | 0 |
| Dec 30, 2021 | CENTER LABORATORIES, INC. | PURCHASE | 1.60 | 1.24M | 1.98M | 1.24M |
| Nov 19, 2021 | FRASER CRAIG | PURCHASE | 1.60 | 930 | 1.49K | 38.16K |
| Nov 18, 2021 | FRASER CRAIG | PURCHASE | 1.61 | 930 | 1.5K | 37.23K |
| Oct 22, 2021 | FRASER CRAIG | PURCHASE | 1.90 | 3K | 5.7K | 36.3K |
| Oct 19, 2021 | HUANG JAMES | PURCHASE | 1.90 | 50K | 95.14K | 291.28K |
| Oct 19, 2021 | FRASER CRAIG | PURCHASE | 1.91 | 3K | 5.73K | 33.3K |
| Apr 16, 2021 | HAMILL JOHN P. | PURCHASE | 2.07 | 1K | 2.07K | 3.5K |
| Apr 16, 2021 | FRASER CRAIG | PURCHASE | 2.09 | 1K | 2.09K | 30.3K |
| Apr 15, 2021 | FRASER CRAIG | PURCHASE | 2.24 | 1K | 2.24K | 29.3K |
| Apr 07, 2021 | CURTIS ERIC | PURCHASE | 2.52 | 791 | 1.99K | 1.29K |
| Apr 06, 2021 | FRASER CRAIG | PURCHASE | 2.57 | 500 | 1.29K | 28.3K |
| Apr 05, 2021 | FRASER CRAIG | PURCHASE | 2.58 | 1K | 2.58K | 27.8K |
| Apr 01, 2021 | FRASER CRAIG | PURCHASE | 2.46 | 500 | 1.23K | 26.8K |
| Mar 31, 2021 | FRASER CRAIG | PURCHASE | 2.32 | 500 | 1.16K | 26.3K |
| Mar 31, 2021 | HUANG JAMES | PURCHASE | 2.36 | 150K | 354K | 171K |
| Mar 25, 2021 | HAMILL JOHN P. | PURCHASE | 3.60 | 1.5K | 5.4K | 1.5K |
| Mar 25, 2021 | SIMONSON STEVEN | PURCHASE | 3.60 | 1.5K | 5.4K | 1.5K |
| Mar 25, 2021 | FRASER CRAIG | PURCHASE | 3.60 | 1.5K | 5.4K | 1.5K |
| Oct 28, 2020 | FRASER CRAIG | PURCHASE | 6.56 | 250 | 1.64K | 24.3K |
| Oct 23, 2020 | HUANG JAMES | PURCHASE | 6.67 | 1K | 6.67K | 21K |
| Oct 09, 2020 | FRASER CRAIG | PURCHASE | 5.83 | 250 | 1.46K | 24.05K |
| Oct 08, 2020 | CURTIS ERIC | PURCHASE | 5.27 | 500 | 2.64K | 500 |
| Oct 07, 2020 | FRASER CRAIG | PURCHASE | 5.17 | 250 | 1.29K | 23.8K |
| Oct 07, 2020 | HAMILL JOHN P. | PURCHASE | 5.27 | 1K | 5.27K | 1K |
| Jun 04, 2020 | HUANG JAMES | PURCHASE | 7.32 | 12.2K | 89.33K | 20.2K |
| Jun 03, 2020 | HUANG JAMES | PURCHASE | 7.42 | 200 | 1.48K | 8K |
| May 22, 2020 | JOSEPH MAHADY M | PURCHASE | 7.97 | 2.07K | 16.5K | 2.07K |
| May 22, 2020 | HUANG JAMES | PURCHASE | 7.97 | 275.86K | 2.2M | 275.86K |
| May 22, 2020 | GEFFKEN DANIEL E. | PURCHASE | 7.97 | 2.07K | 16.5K | 2.07K |
| May 22, 2020 | LEONE JOHN R | PURCHASE | 7.97 | 2.07K | 16.5K | 2.07K |
| May 22, 2020 | TEMPLETON MARY B ESQ | PURCHASE | 7.97 | 1.1K | 8.8K | 1.1K |
| May 22, 2020 | TATTORY JOHN A | PURCHASE | 7.97 | 449 | 3.58K | 449 |
| May 22, 2020 | SIMONSON STEVEN | PURCHASE | 7.97 | 517 | 4.12K | 517 |
| May 22, 2020 | FRASER CRAIG | PURCHASE | 7.97 | 2.07K | 16.5K | 2.07K |
| May 22, 2020 | SCHREIBER BRIAN D | PURCHASE | 7.97 | 2.07K | 16.5K | 2.07K |
| May 22, 2020 | PEACOCK BRUCE | PURCHASE | 7.97 | 3.5K | 27.91K | 3.5K |
| May 20, 2020 | CENTER LABORATORIES, INC. | PURCHASE | 7.79 | 55.17K | 430.07K | 55.17K |
| May 20, 2020 | BIOENGINE CAPITAL INC. | PURCHASE | 7.97 | 55.17K | 440K | 55.17K |
| Feb 18, 2020 | HUANG JAMES | PURCHASE | 3.84 | 400 | 1.54K | 23.4K |
| Feb 11, 2020 | FRASER CRAIG | PURCHASE | 4.10 | 250 | 1.03K | 63.59K |
| Feb 10, 2020 | FRASER CRAIG | PURCHASE | 4.10 | 250 | 1.03K | 63.34K |
| Feb 07, 2020 | HUANG JAMES | PURCHASE | 4.05 | 500 | 2.03K | 23K |
| Feb 04, 2020 | FRASER CRAIG | PURCHASE | 4.24 | 500 | 2.12K | 63.09K |
| Feb 03, 2020 | FRASER CRAIG | PURCHASE | 4.20 | 100 | 420 | 62.59K |
| Jan 17, 2020 | HUANG JAMES | PURCHASE | 4.18 | 2K | 8.37K | 22.5K |
| Jan 16, 2020 | HUANG JAMES | PURCHASE | 4.20 | 58 | 243.6 | 20.5K |
| Dec 31, 2019 | HUANG JAMES | PURCHASE | 4.05 | 15.44K | 62.52K | 20.44K |
| Dec 30, 2019 | HUANG JAMES | PURCHASE | 3.81 | 909 | 3.46K | 5K |
| Dec 27, 2019 | HUANG JAMES | PURCHASE | 3.73 | 4.09K | 15.26K | 4.09K |
| Dec 06, 2019 | LEE'S PHARMACEUTICAL HOLDINGS LTD | PURCHASE | 4.03 | 827.82K | 3.34M | 827.82K |
| Dec 06, 2019 | HUANG JAMES | PURCHASE | 4.03 | 827.82K | 3.34M | 827.82K |
| Dec 06, 2019 | LPH II INVESTMENTS LTD | PURCHASE | 4.03 | 827.82K | 3.34M | 827.82K |
| Dec 21, 2018 | LEE'S PHARMACEUTICAL HOLDINGS LTD | PURCHASE | 4.05 | 597.61K | 2.42M | 1.04M |
| Dec 21, 2018 | LPH II INVESTMENTS LTD | PURCHASE | 4.05 | 597.61K | 2.42M | 1.04M |
| Apr 04, 2018 | LEE'S PHARMACEUTICAL HOLDINGS LTD | PURCHASE | 5.52 | 135.42K | 747.5K | 135.42K |
| Feb 13, 2017 | PEACOCK BRUCE | PURCHASE | 1.37 | 17 | 23.29 | 17 |
| Feb 13, 2017 | JOSEPH MAHADY M | PURCHASE | 1.37 | 17 | 23.29 | 17 |
| Feb 13, 2017 | SIMONSON STEVEN | PURCHASE | 1.37 | 3K | 4.11K | 3K |
| Feb 13, 2017 | LEONE JOHN R | PURCHASE | 1.37 | 13 | 17.81 | 13 |