Leonard L Mazur
CIK 1463414 · View on SEC EDGAR ↗
First SEC filing: Jan. 11, 2022 · Latest: Jan. 11, 2022
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 27, 2019 | CTXR | P | 2,234,700 | — | — | 2,234,700 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 27, 2019 | CTXR | P | 2,234,700 | $0.90 | $2,011,230 | 10,255,343 Direct | +27.86% | Acquired | -97.3% (price as of 2026-08-21) |
| April 3, 2019 | CTXR | P | 1,165,048 | — | — | 1,615,048 Direct | +258.90% | Acquired | (price as of 2026-08-21) |
| April 3, 2019 | CTXR | P | 1,165,048 | $1.54 | $1,794,174 | 8,020,643 Direct | +16.99% | Acquired | -98.4% (price as of 2026-08-21) |
| Aug. 13, 2018 | CTXR | P | 3,137,255 | $1.27 | $3,984,314 | 6,855,595 Direct | +84.37% | Acquired | -98.1% (price as of 2026-08-21) |
| March 29, 2018 | CTXR | P | 167,504 | — | — | 167,504 Direct | — | Acquired | (price as of 2026-08-21) |
| March 29, 2018 | CTXR | P | 167,504 | $2.98 | $499,162 | 3,718,340 Direct | +4.72% | Acquired | -99.2% (price as of 2026-08-21) |
| Dec. 19, 2017 | CTXR | P | 213,106 | $4.69 | $999,467 | 3,550,836 Direct | +6.38% | Acquired | -99.5% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 8, 2025 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (89,388) | $19.25 | Sept. 27, 2026 | 89,388 | Acquired |
| Aug. 8, 2025 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (89,388) | $19.25 | Sept. 27, 2025 | 89,388 | Disposed |
| Aug. 8, 2025 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (125,490) | $28.75 | Aug. 14, 2026 | 125,490 | Acquired |
| Aug. 8, 2025 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (125,490) | $28.75 | Aug. 14, 2025 | 125,490 | Disposed |
| Dec. 12, 2024 | CTOR | Stock Option (Right to Buy) | Common Stock (800,000) | $1.07 | Dec. 12, 2034 | 800,000 | Acquired |
| Nov. 7, 2024 | CTXR | Stock Option (Right to Purchase Common Stock) | Common Stock (600,000) | $0.38 | Nov. 7, 2034 | 600,000 | Acquired |
| Sept. 25, 2024 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (2,234,700) | $0.77 | Sept. 27, 2025 | 2,234,700 | Acquired |
| Sept. 25, 2024 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (2,234,700) | $0.77 | Sept. 27, 2024 | 2,234,700 | Disposed |
| Aug. 14, 2024 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (3,137,255) | $1.15 | Aug. 14, 2025 | 3,137,255 | Acquired |
| Aug. 14, 2024 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (3,137,255) | $1.15 | Aug. 14, 2024 | 3,137,255 | Disposed |
| Aug. 12, 2024 | CTOR | Stock Option (Right to Buy) | Common Stock (3,700,000) | $2.15 | July 5, 2033 | 3,700,000 | Acquired |
| Aug. 12, 2024 | CTOR | Stock Option (Right to Buy) | Common Stock (1,233,333) | $2.15 | July 5, 2033 | 1,233,333 | Acquired |
| April 3, 2024 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (1,165,048) | $1.42 | April 5, 2025 | 1,165,048 | Acquired |
| April 3, 2024 | CTXR | Warrant to Purchase Common Stock [F1] | Common Stock (1,165,048) | $1.42 | April 5, 2024 | 1,165,048 | Disposed |
| Oct. 10, 2023 | CTXR | Option to Purchase Common Stock [F10] | Common Stock (550,000) | $0.70 | Oct. 10, 2033 | 550,000 | Acquired |
| Oct. 4, 2022 | CTXR | Option to Purchase Common Stock [F9] | Common Stock (550,000) | $1.25 | Oct. 4, 2032 | 550,000 | Acquired |
| Oct. 11, 2021 | CTXR | Option to Purchase Common Stock [F8] | Common Stock (650,000) | $2.04 | Oct. 11, 2031 | 650,000 | Acquired |
| July 22, 2021 | CTXR | Options to Purchase Common Stock [F7] | Common Stock (300,000) | $2.00 | July 22, 2031 | 300,000 | Acquired |
| Oct. 6, 2020 | CTXR | Options to Purchase Common Stock [F7] | Common Stock (200,000) | $1.01 | Oct. 6, 2030 | 200,000 | Acquired |
| Oct. 8, 2019 | CTXR | Options to Purchase Common Stock | Common Stock (175,000) | $0.67 | Oct. 8, 2029 | 175,000 | Acquired |
| Sept. 27, 2019 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (2,234,700) | $0.77 | Sept. 27, 2024 | 2,234,700 | Acquired |
| April 3, 2019 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (1,165,048) | $1.42 | April 5, 2021 | 1,165,048 | Acquired |
| Sept. 4, 2018 | CTXR | Options to Purchase Common Stock [F5] | Common Stock (150,000) | $1.62 | Sept. 4, 2028 | 150,000 | Acquired |
| Aug. 13, 2018 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (3,137,255) | $1.15 | Aug. 14, 2023 | 3,137,255 | Acquired |
| March 29, 2018 | CTXR | Warrant to Purchase Common Stock [F2] | Common Stock (167,504) | $2.86 | Sept. 29, 2023 | 167,504 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 11, 2022 | CNTN | Convertible Note→ Common stock | — | Direct |
| April 12, 2016 | CTXR | Options to Purchase Common Stock→ Common Stock (1,500,000) | 1,500,000 | Direct |
| Oct. 28, 2015 | CTXR | Common Stock | 457,143 | Direct |
| Oct. 28, 2015 | CTXR | Options to Purchase Common Stock→ Common Stock (1,800,000) | 1,800,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $475,000 | — | — | $820,440 | $237,500 | — | — | $4,507,940 |
| 2024 | $475,000 | — | — | $2,832,518 | $213,750 | — | — | $3,521,268 |
| 2023 | $475,000 | — | — | $1,304,238 | $201,875 | — | — | $1,981,113 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $166,250 | — | — | $2,035,000 | — | — | — | $2,201,250 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.