Jonathan Violin
Insider
First SEC filing: June 23, 2025 · Latest: June 23, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 2, 2026 | CBIO | A | 11,050 | · | · | 11,050 Direct | · | Acquired | (price as of 2026-10-02) |
| May 21, 2026 | DNTH | A | 6,090 | · | · | 6,090 Direct | · | Acquired | (price as of 2026-10-02) |
| June 23, 2025 | CBIO | A | 9,023 | · | · | 9,023 Direct | · | Acquired | (price as of 2026-10-02) |
| May 22, 2025 | DNTH | A | 12,500 | · | · | 12,500 Direct | · | Acquired | (price as of 2026-10-02) |
| May 23, 2024 | DNTH | A | 11,000 | · | · | 11,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2023 | DNTH | A | 6,500 | · | · | 6,500 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2023 | VRDN | M | 50,000 | · | · | 239,205 Direct | -17.29% | Disposed | (price as of 2026-10-02) |
| Feb. 2, 2023 | VRDN | S 10b5-1 | 50,000 | $36.80 | $1,840,000 | 480,905 Direct | -9.42% | Disposed | -47.3% (price as of 2026-10-02) |
| Feb. 2, 2023 | VRDN | M 10b5-1 | 50,000 | $0.15 | $7,500 | 530,905 Direct | +10.40% | Acquired | 12833.3% (price as of 2026-10-02) |
| Feb. 2, 2023 | VRDN | S 10b5-1 | 50,000 | $36.80 | $1,840,000 | 430,905 Direct | -10.40% | Disposed | -47.3% (price as of 2026-10-02) |
| June 1, 2022 | VRDN | S 10b5-1 | 30,000 | $12.20 | $366,000 | 480,905 Direct | -5.87% | Disposed | 59.0% (price as of 2026-10-02) |
| May 2, 2022 | VRDN | S 10b5-1 | 30,000 | $13.04 | $391,200 | 510,905 Direct | -5.55% | Disposed | 48.8% (price as of 2026-10-02) |
| April 4, 2022 | VRDN | S 10b5-1 | 3,600 | $18.93 | $68,148 | 540,905 Direct | -0.66% | Disposed | 2.5% (price as of 2026-10-02) |
| April 1, 2022 | VRDN | S 10b5-1 | 26,400 | $18.92 | $499,488 | 544,505 Direct | -4.62% | Disposed | 2.5% (price as of 2026-10-02) |
| March 2, 2022 | VRDN | S 10b5-1 | 11,106 | $17.36 | $192,800 | 570,905 Direct | -1.91% | Disposed | 11.8% (price as of 2026-10-02) |
| March 1, 2022 | VRDN | S 10b5-1 | 18,894 | $17.82 | $336,691 | 582,011 Direct | -3.14% | Disposed | 8.9% (price as of 2026-10-02) |
| Feb. 3, 2022 | VRDN | S 10b5-1 | 909 | $19.16 | $17,416 | 600,905 Direct | -0.15% | Disposed | 1.3% (price as of 2026-10-02) |
| Feb. 2, 2022 | VRDN | A | 280,000 | · | · | 280,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 2, 2022 | VRDN | S 10b5-1 | 12,340 | $18.47 | $227,920 | 601,814 Direct | -2.01% | Disposed | 5.0% (price as of 2026-10-02) |
| Feb. 1, 2022 | VRDN | S 10b5-1 | 16,751 | $19.55 | $327,482 | 614,154 Direct | -2.66% | Disposed | -0.8% (price as of 2026-10-02) |
| Dec. 8, 2021 | VRDN | C | 9,413 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 8, 2021 | VRDN | C | 627,564 | · | · | 630,905 Direct | +18783.72% | Acquired | (price as of 2026-10-02) |
| Jan. 18, 2021 | VRDN | A | 800,075 | · | · | 800,075 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 27, 2020 | VRDN | J | 9,413 | · | · | 9,413 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 27, 2020 | VRDN | J | 4,338,079 | · | · | 4,338,079 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 27, 2020 | VRDN | J | 50,124 | · | · | 50,124 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| June 2, 2026 | CBIO | Stock Option (Right to Buy) | Ordinary Shares | $17.01 | June 2, 2036 | 11,050 | Acquired |
| May 21, 2026 | DNTH | Stock Option (Right to Buy) | Common Stock | $89.63 | May 21, 2036 | 6,090 | Acquired |
| June 23, 2025 | CBIO | Stock Option (Right to Buy) | Ordinary Shares | $15.30 | June 23, 2035 | 9,023 | Acquired |
| May 22, 2025 | DNTH | Stock Option (Right to Buy) | Common Stock | $18.36 | May 22, 2035 | 12,500 | Acquired |
| May 23, 2024 | DNTH | Stock Option (Right to Buy) | Common Stock | $21.77 | May 22, 2034 | 11,000 | Acquired |
| Sept. 11, 2023 | DNTH | Stock Option (Right to Buy) | Common Stock | $11.20 | Sept. 10, 2033 | 6,500 | Acquired |
| Feb. 2, 2023 | VRDN | Stock Option (Right to Buy) | Common Stock | $0.15 | Sept. 23, 2030 | 50,000 | Disposed |
| Feb. 2, 2022 | VRDN | Stock Option (Right to Buy) | Common Stock | $18.51 | Feb. 2, 2032 | 280,000 | Acquired |
| Dec. 8, 2021 | VRDN | Series A Non-Voting Convertible Preferred Stock | Common Stock | · | · | 9,413 | Disposed |
| Jan. 18, 2021 | VRDN | Employee Stock Option (right to buy) | Common Stock | $23.03 | Jan. 17, 2031 | 800,075 | Acquired |
| Oct. 27, 2020 | VRDN | Series A Non-Voting Convertible Preferred Stock | Common Stock | · | · | 9,413 | Acquired |
| Oct. 27, 2020 | VRDN | Employee Stock Option (Right to Buy) | Common Stock | $0.01 | Sept. 23, 2030 | 4,338,079 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 10, 2026 | KRSA | Common Stock | 207,400 | Direct |
| Sept. 10, 2026 | KRSA | Stock Option (Right to Buy) | 1,048,244 | Direct |
| Sept. 10, 2026 | KRSA | Stock Option (Right to Buy) | 1,984,157 | Direct |
| June 23, 2025 | CBIO | Ordinary Shares | · | Direct |
| June 23, 2025 | CBIO | Stock Option (Right to Buy) | 226,786 | Direct |
| Oct. 30, 2020 | VRDN | Common Stock | 50,124 | Direct |
| Oct. 30, 2020 | VRDN | Employee Stock Option (Right to Buy) | 4,338,079 | Direct |
| Oct. 30, 2020 | VRDN | Series A Non-Voting Convertible Preferred Stock | 9,413,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2023 | $59,209 | · | · | · | · | · | $564,712 | $2,211,072 |
| 2022 | $601,200 | $288,576 | · | · | · | · | $2,320 | $4,646,740 |
| 2021 | $567,000 | $408,240 | · | · | · | · | $9,021 | $17,408,538 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.