Elena Ridloff
CIK 1772518 · View on SEC EDGAR ↗
First SEC filing: Feb. 6, 2025 · Latest: Feb. 6, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2026 | KYMR | S 10b5-1 | 3,000 | $87.00 | $261,000 | 0 Direct | -100.00% | Disposed | 41.4% (price as of 2026-08-21) |
| April 1, 2026 | KYMR | S 10b5-1 | 1,200 | $86.05 | $103,260 | 0 Direct | -100.00% | Disposed | 43.0% (price as of 2026-08-21) |
| April 1, 2026 | KYMR | S 10b5-1 | 3,400 | $85.19 | $289,646 | 1,200 Direct | -73.91% | Disposed | 44.5% (price as of 2026-08-21) |
| March 31, 2026 | KYMR | S 10b5-1 | 7,400 | $85.37 | $631,738 | 0 Direct | -100.00% | Disposed | 44.1% (price as of 2026-08-21) |
| June 11, 2025 | KYMR | S 10b5-1 | 4,500 | $50.00 | $225,000 | 0 Direct | -100.00% | Disposed | 146.1% (price as of 2026-08-21) |
| June 3, 2025 | KYMR | S 10b5-1 | 4,800 | $47.00 | $225,600 | 0 Direct | -100.00% | Disposed | 161.8% (price as of 2026-08-21) |
| June 3, 2025 | KYMR | S 10b5-1 | 7,200 | $45.50 | $327,600 | 4,800 Direct | -60.00% | Disposed | 170.5% (price as of 2026-08-21) |
| April 30, 2021 | ACAD | S | 1,032 | $20.33 | $20,981 | 10,553 Direct | -8.91% | Disposed | 42.9% (price as of 2026-08-21) |
| Feb. 4, 2021 | ACAD | S | 2,051 | $50.61 | $103,801 | 8,340 Direct | -19.74% | Disposed | -42.6% (price as of 2026-08-21) |
| Jan. 6, 2021 | ACAD | S | 1,016 | $53.34 | $54,193 | 3,901 Direct | -20.66% | Disposed | -45.5% (price as of 2026-08-21) |
| April 30, 2020 | ACAD | S | 1,050 | $49.22 | $51,681 | 2,195 Direct | -32.36% | Disposed | -41.0% (price as of 2026-08-21) |
| April 29, 2020 | ACAD | S 10b5-1 | 10,000 | $50.74 | $507,400 | 0 Direct | -100.00% | Disposed | -42.7% (price as of 2026-08-21) |
| Dec. 9, 2019 | ACAD | S 10b5-1 | 19,478 | $49.09 | $956,175 | 0 Direct | -100.00% | Disposed | -40.8% (price as of 2026-08-21) |
| Dec. 9, 2019 | ACAD | S 10b5-1 | 5,502 | $49.81 | $274,055 | 19,478 Direct | -22.03% | Disposed | -41.7% (price as of 2026-08-21) |
| Dec. 9, 2019 | ACAD | S 10b5-1 | 11,020 | $50.60 | $557,612 | 24,980 Direct | -30.61% | Disposed | -42.6% (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. 6, 2026 | IMUX | Stock Option | Common Stock (50,740) | $14.54 | Aug. 6, 2036 | 50,740 | Acquired |
| June 24, 2026 | KYMR | Stock Option (Right to Buy) | Common Stock (6,068) | $99.87 | June 23, 2036 | 6,068 | Acquired |
| May 11, 2026 | KYMR | Stock Option (Right to Buy) | Common Stock (3,000) | $31.20 | June 17, 2034 | 3,000 | Disposed |
| April 1, 2026 | KYMR | Stock Option (Right to Buy) | Common Stock (4,600) | $14.18 | June 15, 2032 | 4,600 | Disposed |
| March 31, 2026 | KYMR | Stock Option (Right to Buy) | Common Stock (7,400) | $14.18 | June 15, 2032 | 7,400 | Disposed |
| June 25, 2025 | KYMR | Stock Option (Right to Buy) | Common Stock (16,000) | $46.47 | June 24, 2035 | 16,000 | Acquired |
| June 11, 2025 | KYMR | Stock Option (Right to Buy) | Common Stock (4,500) | $20.29 | June 29, 2032 | 4,500 | Disposed |
| June 3, 2025 | KYMR | Stock Option (Right to Buy) | Common Stock (12,000) | $27.67 | June 15, 2033 | 12,000 | Disposed |
| Feb. 6, 2025 | SION | Stock Option (Right to Buy) | Common Stock (157,820) | $18.00 | Feb. 5, 2035 | 157,820 | Acquired |
| June 18, 2024 | KYMR | Stock Option (Right to Buy) | Common Stock (16,000) | $31.20 | June 17, 2034 | 16,000 | Acquired |
| June 15, 2023 | KYMR | Stock Option (Right to Buy) | Common Stock (12,000) | $27.67 | June 14, 2033 | 12,000 | Acquired |
| June 29, 2022 | KYMR | Stock Option (Right to Buy) | Common Stock (9,000) | $20.29 | June 28, 2032 | 9,000 | Acquired |
| June 15, 2022 | KYMR | Stock Option (Right to Buy) | Common Stock (12,000) | $14.18 | June 14, 2032 | 12,000 | Acquired |
| June 16, 2021 | KYMR | Stock Option (Right to Buy) | Common Stock (10,459) | $49.10 | June 15, 2031 | 10,459 | Acquired |
| April 29, 2021 | ACAD | Restricted Stock Units | Common Stock (3,245) | — | — | 3,245 | Disposed |
| March 12, 2021 | KYMR | Stock Option (Right to Buy) | Common Stock (20,919) | $56.10 | March 11, 2031 | 20,919 | Acquired |
| March 12, 2021 | KYMR | Stock Option (Right to Buy) | Common Stock (40,127) | $56.10 | March 11, 2031 | 40,127 | Acquired |
| Feb. 23, 2021 | ACAD | Restricted Stock Units | Common Stock (9,839) | — | — | 9,839 | Acquired |
| Feb. 23, 2021 | ACAD | Stock Options (Right to Buy) | Common Stock (36,231) | $49.74 | Feb. 23, 2031 | 36,231 | Acquired |
| Jan. 6, 2021 | ACAD | Restricted Stock Units | Common Stock (1,016) | — | — | 1,016 | Disposed |
| April 29, 2020 | ACAD | Stock Option (Right to Buy) | Common Stock (10,000) | $25.12 | April 29, 2029 | 10,000 | Disposed |
| April 29, 2020 | ACAD | Restricted Stock Units | Common Stock (3,245) | — | — | 3,245 | Disposed |
| Jan. 6, 2020 | ACAD | Restricted Stock Units | Common Stock (10,889) | — | — | 10,889 | Acquired |
| Jan. 6, 2020 | ACAD | Stock Options (Right to Buy) | Common Stock (39,516) | $42.81 | Jan. 6, 2030 | 39,516 | Acquired |
| Dec. 9, 2019 | ACAD | Stock Option (Right to Buy) | Common Stock (36,000) | $15.81 | April 29, 2028 | 36,000 | Disposed |
| April 29, 2019 | ACAD | Restricted Stock Units | Common Stock (12,981) | — | — | 12,981 | Acquired |
| April 29, 2019 | ACAD | Stock Options (Right to Buy) | Common Stock (45,547) | $25.12 | April 29, 2029 | 45,547 | Acquired |
| April 1, 2019 | ACAD | Restricted Stock Units | Common Stock (40,000) | — | — | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 6, 2025 | SION | Common Stock | 123,532 | Direct |
| Feb. 6, 2025 | SION | Stock Option (Right to Buy)→ Common Stock (32,509) | 32,509 | Direct |
| Feb. 6, 2025 | SION | Stock Option (Right to Buy)→ Common Stock (109,605) | 109,605 | Direct |
| Feb. 6, 2025 | SION | Stock Option (Right to Buy)→ Common Stock (145,751) | 145,751 | Direct |
| April 2, 2019 | ACAD | Employee Stock Options (Right to Buy)→ Common Stock (100,000) | 100,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | $398,871 | — | $978,784 | $989,523 | — | — | $22,096 | $2,389,704 |
| 2020 | $462,000 | — | $932,316 | $935,316 | $169,698 | — | $14,840 | $2,514,170 |
| 2019 | $444,026 | — | $652,165 | $649,614 | $229,324 | — | $15,737 | $1,990,867 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $506,677 | — | — | — | $254,925 | — | $10,000 | $2,857,367 |
| 2024 | $449,946 | — | — | — | $197,976 | — | — | $1,300,647 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.