Ridloff Elena, CFO and Head of Corporate Development, sold Kymera Therapeutics ($KYMR) shares on the open market three times in the last year for a total of $778 thousand, with her most recent sale on June 11, 2025, ranking her 5,476th among insiders by sale value. She also sold Sionna Therapeutics ($SION) shares seven times for nearly $2 million, most recently on September 2, 2025, placing her 3,532nd in our database of over 11,678 insiders. Her total sales trail the average of $8.6 million across 6.4 transactions per insider, and she made no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Common Stock | 7400 | $14.18 | 7,400.0000 | 87,300,286 | 9999.99% | 0.01% |
| April 1, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Stock Option (Right to Buy) | 4600 | $0.00 | 0.0000 | 87,300,286 | 100.00% | 0.01% |
| March 31, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Stock Option (Right to Buy) | 7400 | $0.00 | 4,600.0000 | 87,300,286 | 61.67% | 0.01% |
| April 1, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 1200 | $86.05 | 0.0000 | 87,300,286 | 100.00% | 0.00% |
| April 1, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 3400 | $85.19 | 1,200.0000 | 87,300,286 | 73.91% | 0.00% |
| April 1, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Common Stock | 4600 | $14.18 | 4,600.0000 | 87,300,286 | 9999.99% | 0.01% |
| March 31, 2026 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 7400 | $85.37 | 0.0000 | 87,300,286 | 100.00% | 0.01% |
| Jan. 2, 2026 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO | A | Non-Qualified Stock Option (right to buy) | 165440 | $0.00 | 165,440.0000 | 44,628,788 | 9999.99% | 0.37% |
| Sept. 2, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 8836 | $25.08 | 38,532.0000 | 0 | 18.65% | 0.00% |
| Aug. 29, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 748 | $25.18 | 47,368.0000 | 0 | 1.55% | 0.00% |
| Aug. 28, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 16098 | $25.97 | 48,116.0000 | 0 | 25.07% | 0.00% |
| Aug. 26, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 3700 | $25.13 | 67,832.0000 | 0 | 5.17% | 0.00% |
| Aug. 27, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 3618 | $25.10 | 64,214.0000 | 0 | 5.33% | 0.00% |
| Aug. 20, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 17500 | $22.69 | 71,532.0000 | 0 | 19.66% | 0.00% |
| Aug. 19, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | S | Common Stock | 34500 | $21.08 | 89,032.0000 | 0 | 27.93% | 0.00% |
| June 25, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | A | Stock Option (Right to Buy) | 16000 | $0.00 | 16,000.0000 | 75,043,991 | 9999.99% | 0.02% |
| June 11, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 4500 | $50.00 | 0.0000 | 75,043,991 | 100.00% | 0.01% |
| June 11, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Stock Option (Right to Buy) | 4500 | $0.00 | 4,500.0000 | 75,043,991 | 50.00% | 0.01% |
| June 11, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Common Stock | 4500 | $20.29 | 4,500.0000 | 75,043,991 | 9999.99% | 0.01% |
| June 3, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 4800 | $47.00 | 0.0000 | 75,043,991 | 100.00% | 0.01% |
| June 3, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | S | Common Stock | 7200 | $45.50 | 4,800.0000 | 75,043,991 | 60.00% | 0.01% |
| June 3, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Common Stock | 12000 | $27.67 | 12,000.0000 | 75,043,991 | 9999.99% | 0.02% |
| June 3, 2025 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | M | Stock Option (Right to Buy) | 12000 | $0.00 | 0.0000 | 75,043,991 | 100.00% | 0.02% |
| Feb. 6, 2025 | Sionna Therapeutics, Inc. | $SION | Ridloff Elena | CFO & Head of Corp. Dev. | A | Stock Option (Right to Buy) | 157820 | $0.00 | 157,820.0000 | 0 | 9999.99% | 0.00% |
| June 18, 2024 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Not found | A | Stock Option (Right to Buy) | 16000 | $0.00 | 16,000.0000 | 58,365,499 | 9999.99% | 0.03% |
| June 15, 2023 | Kymera Therapeutics, Inc. | $KYMR | Ridloff Elena | Director | A | Stock Option (Right to Buy) | 12000 | $0.00 | 12,000.0000 | 53,933,229 | 9999.99% | 0.02% |