Clifton R. LaDuane has filed 20 insider transactions across 1 company since January 2023.
Most recent transaction: a option exercise of 140667 shares of ZEVRA THERAPEUTICS, INC. ($ZVRA) on December 31, 2025.
Activity breakdown: 8 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | Other | M | Common Stock | 140667 | $0.00 | 192,028.0000 | 56,783,000 | 273.88% | 0.25% |
| Dec. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | Other | M | Performance Stock Unit | 20000 | $0.00 | 0.0000 | 56,783,000 | 100.00% | 0.04% |
| Dec. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | Other | M | Restricted Stock Unit | 34000 | $0.00 | 0.0000 | 56,783,000 | 100.00% | 0.06% |
| Dec. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | Other | M | Restricted Stock Unit | 86667 | $0.00 | 0.0000 | 56,783,000 | 100.00% | 0.15% |
| Dec. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | Other | F | Common Stock | 48513 | $8.96 | 143,515.0000 | 56,783,000 | 25.26% | 0.09% |
| Feb. 13, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | S | Common Stock | 11000 | $7.86 | 51,361.0000 | 47,808,817 | 17.64% | 0.02% |
| Jan. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | M | Common Stock | 43333 | $0.00 | 62,361.0000 | 47,808,817 | 227.73% | 0.09% |
| Jan. 31, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | M | Restricted Stock Unit | 43333 | $0.00 | 86,667.0000 | 47,808,817 | 33.33% | 0.09% |
| Jan. 30, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | A | Stock Option (right to buy) | 68000 | $0.00 | 68,000.0000 | 47,808,817 | 9999.99% | 0.14% |
| Jan. 30, 2025 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | A | Restricted Stock Unit | 34000 | $0.00 | 34,000.0000 | 47,808,817 | 9999.99% | 0.07% |
| July 17, 2024 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO & Treasurer | P | Common Stock | 2000 | $6.77 | 18,469.0000 | 0 | 12.14% | 0.00% |
| Jan. 31, 2024 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | A | Restricted Stock Unit | 130000 | $0.00 | 130,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 6, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 1000 | $4.96 | 15,309.0000 | 0 | 6.99% | 0.00% |
| May 18, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 689 | $4.95 | 13,742.0000 | 0 | 5.28% | 0.00% |
| May 18, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 2000 | $4.95 | 13,053.0000 | 0 | 18.09% | 0.00% |
| May 18, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 51 | $4.94 | 11,053.0000 | 0 | 0.46% | 0.00% |
| March 10, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 1725 | $4.15 | 11,002.0000 | 0 | 18.59% | 0.00% |
| Jan. 13, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 610 | $5.82 | 9,252.0000 | 0 | 7.06% | 0.00% |
| Jan. 13, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | P | Common Stock | 25 | $5.59 | 9,277.0000 | 0 | 0.27% | 0.00% |
| Jan. 9, 2023 | ZEVRA THERAPEUTICS, INC. | $ZVRA | Clifton R. LaDuane | CFO, Secretary & Treasurer | A | Stock Option (right to buy) | 459726 | $0.00 | 459,726.0000 | 0 | 9999.99% | 0.00% |