Donald A Denkhaus
CIK 1278439 · View on SEC EDGAR ↗
Insider
First SEC filing: March 2, 2015 · Latest: March 2, 2015
On this page
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 65 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
65 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 11, 2022 | CPRX | S | 20,000 | $16.59 | $331,800 | 277,666 Direct | -6.72% | Disposed | |
| Sept. 14, 2022 | CPRX | S | 20,000 | $15.34 | $306,800 | 297,666 Direct | -6.30% | Disposed | |
| Dec. 27, 2018 | CPRX | P | 25,000 | $1.91 | $47,750 | 225,000 Direct | +12.50% | Acquired | |
| Dec. 14, 2018 | CPRX | P | 60,000 | $2.48 | $148,800 | 200,000 Direct | +42.86% | Acquired | |
| June 8, 2018 | CPRX | P | 20,000 | $3.41 | $68,200 | 140,000 Direct | +16.67% | Acquired | |
| May 30, 2018 | CPRX | P | 20,000 | $3.75 | $75,000 | 120,000 Direct | +20.00% | Acquired | |
| June 14, 2016 | CPRX | P | 50,000 | $0.65 | $32,500 | 100,000 Direct | +100.00% | Acquired | |
| Jan. 7, 2016 | CPRX | P | 25,000 | $2.03 | $50,750 | 50,000 Direct | +100.00% | Acquired | |
| April 30, 2015 | CPRX | P | 5,000 | $3.25 | $16,250 | 25,000 Direct | +25.00% | Acquired | |
| April 27, 2015 | CPRX | P | 15,000 | $3.71 | $55,650 | 20,000 Direct | +300.00% | Acquired | |
| March 27, 2015 | CPRX | P | 5,000 | $4.17 | $20,850 | 5,000 Direct | — | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | CPRX | Restricted Stock Units | Common Stock (5,468) | — | Nov. 20, 2028 | 5,468 | Disposed |
| July 15, 2026 | CPRX | Restricted Stock Units | Common Stock (1,894) | — | Nov. 21, 2027 | 1,894 | Disposed |
| July 15, 2026 | CPRX | Restricted Stock Units | Common Stock (1,414) | — | Dec. 8, 2026 | 1,414 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (18,115) | $22.77 | Nov. 20, 2032 | 18,115 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (23,248) | $21.12 | Nov. 21, 2031 | 23,248 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (29,524) | $14.15 | Dec. 8, 2030 | 29,524 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (15,000) | $18.59 | Dec. 27, 2029 | 15,000 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (20,000) | $7.07 | Dec. 28, 2028 | 20,000 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (30,000) | $3.42 | Dec. 30, 2027 | 30,000 | Disposed |
| July 15, 2026 | CPRX | Options to purchase common stock | Common Stock (33,500) | $4.64 | Dec. 2, 2026 | 33,500 | Disposed |
| Dec. 29, 2025 | CPRX | Restricted Stock Units | Common Stock (1,334) | — | — | 1,334 | Disposed |
| Dec. 8, 2025 | CPRX | Restricted Stock Units | Common Stock (1,413) | — | — | 1,413 | Disposed |
| Nov. 21, 2025 | CPRX | Restricted Stock Units | Common Stock (947) | — | — | 947 | Disposed |
| Nov. 20, 2025 | CPRX | Restricted Stock Units | Common Stock (5,468) | — | — | 5,468 | Acquired |
| Nov. 20, 2025 | CPRX | Options to purchase common stock | Common Stock (18,115) | $22.77 | Nov. 20, 2032 | 18,115 | Acquired |
| Feb. 14, 2025 | CPRX | Restricted Stock Units | Common Stock (4,000) | — | — | 4,000 | Disposed |
| Jan. 8, 2025 | CPRX | Options to purchase common stock | Common Stock (50,000) | $2.24 | Dec. 19, 2025 | 50,000 | Disposed |
| Dec. 27, 2024 | CPRX | Restricted Stock Units | Common Stock (1,333) | — | — | 1,333 | Disposed |
| Dec. 9, 2024 | CPRX | Restricted Stock Units | Common Stock (1,413) | — | — | 1,413 | Disposed |
| Nov. 21, 2024 | CPRX | Restricted Stock Units | Common Stock (2,841) | — | — | 2,841 | Acquired |
| Nov. 21, 2024 | CPRX | Options to purchase common stock | Common Stock (23,248) | $21.12 | Nov. 21, 2031 | 23,248 | Acquired |
| Feb. 15, 2024 | CPRX | Restricted Stock Units | Common Stock (4,000) | — | — | 4,000 | Disposed |
| Feb. 5, 2024 | CPRX | Options to purchase common stock | Common Stock (40,000) | $4.01 | Jan. 2, 2025 | 40,000 | Disposed |
| Dec. 27, 2023 | CPRX | Restricted Stock Units | Common Stock (1,333) | — | — | 1,333 | Disposed |
| Dec. 8, 2023 | CPRX | Restricted Stock Units | Common Stock (4,240) | — | — | 4,240 | Acquired |
| Dec. 8, 2023 | CPRX | Options to purchase common stock | Common Stock (29,524) | $14.15 | Dec. 8, 2030 | 29,524 | Acquired |
| Aug. 3, 2023 | CPRX | Options to purchase common stock | Common Stock (60,000) | $1.13 | Jan. 3, 2024 | 60,000 | Disposed |
| Feb. 15, 2023 | CPRX | Restricted Stock Units | Common Stock (4,000) | — | — | 4,000 | Disposed |
| Jan. 24, 2023 | CPRX | Options to purchase common stock | Common Stock (50,000) | $0.79 | June 15, 2023 | 50,000 | Disposed |
| Dec. 27, 2022 | CPRX | Restricted Stock Units | Common Stock (4,000) | — | — | 4,000 | Acquired |
| Dec. 27, 2022 | CPRX | Options to purchase common stock | Common Stock (15,000) | $18.59 | Dec. 27, 2029 | 15,000 | Acquired |
| Dec. 6, 2022 | CPRX | Restricted Stock Units | Common Stock (1,334) | — | — | 1,334 | Disposed |
| Dec. 28, 2021 | CPRX | Options to purchase common stock | Common Stock (20,000) | $7.07 | Dec. 28, 2028 | 20,000 | Acquired |
| Dec. 3, 2021 | CPRX | Restricted Stock Units | Common Stock (1,333) | — | — | 1,333 | Disposed |
| Dec. 30, 2020 | CPRX | Options to purchase common stock | Common Stock (30,000) | $3.42 | Dec. 30, 2027 | 30,000 | Acquired |
| Dec. 22, 2020 | CPRX | Restricted Stock Units | Common Stock (1,333) | — | — | 1,333 | Disposed |
| Dec. 2, 2019 | CPRX | Restricted Stock Units | Common Stock (4,000) | — | — | 4,000 | Acquired |
| Dec. 2, 2019 | CPRX | Options to purchase common stock | Common Stock (33,500) | $4.64 | Dec. 2, 2026 | 33,500 | Acquired |
| Dec. 19, 2018 | CPRX | Options to purchase common stock | Common Stock (25,000) | $2.24 | Dec. 19, 2025 | 25,000 | Acquired |
| Dec. 19, 2018 | CPRX | Options to purchase common stock | Common Stock (25,000) | $2.24 | Dec. 19, 2025 | 25,000 | Acquired |
| Jan. 2, 2018 | CPRX | Options to purchase common stock | Common Stock (20,000) | $4.01 | Jan. 2, 2025 | 20,000 | Acquired |
| Jan. 2, 2018 | CPRX | Options to purchase common stock | Common Stock (20,000) | $4.01 | Jan. 2, 2025 | 20,000 | Acquired |
| Jan. 3, 2017 | CPRX | Options to purchase common stock | Common Stock (30,000) | $1.13 | Jan. 3, 2024 | 30,000 | Acquired |
| Jan. 3, 2017 | CPRX | Options to purchase common stock | Common Stock (30,000) | $1.13 | Jan. 3, 2024 | 30,000 | Acquired |
| June 15, 2016 | CPRX | Options to purchase common stock | Common Stock (25,000) | $0.79 | June 15, 2023 | 25,000 | Acquired |
| June 15, 2016 | CPRX | Options to purchase common stock | Common Stock (25,000) | $0.79 | June 15, 2023 | 25,000 | Acquired |
| Dec. 30, 2015 | CPRX | Options to purchase common stock | Common Stock (20,000) | $2.53 | Dec. 30, 2022 | 20,000 | Acquired |
| Dec. 30, 2015 | CPRX | Options to purchase common stock | Common Stock (20,000) | $2.53 | Dec. 30, 2022 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 2, 2015 | CPRX | Options to purchase common stock→ Common Stock (16,666) | 16,666 | Direct |
| March 2, 2015 | CPRX | Options to purchase common stock→ Common Stock (16,667) | 16,667 | Direct |
| March 2, 2015 | CPRX | Options to purchase common stock→ Common Stock (16,667) | 16,667 | Direct |