Monitor for actual execution of the planned sale; while 10b5-1 plans reduce short-term signaling risk, sustained insider selling could indicate waning confidence, especially in a high-growth biotech with no current revenue.
Price Chart
Executive Summary
Elena Ridloff, a director at Kymera Therapeutics, filed a Form 144 to sell up to 4,600 shares, following the exercise of stock options. This sale is part of a pre-arranged 10b5-1 trading plan and follows recent insider selling activity totaling $3.8M in the past 30 days.
Key Facts
- Elena Ridloff, director of Kymera Therapeutics, filed Form 144 to sell up to 4,600 shares.
- The shares were acquired through the exercise of stock options on March 31, 2026, and the sale is planned for April 1, 2026.
- This is part of a pre-arranged 10b5-1 plan, indicating non-discretionary timing.
- Ridloff has already sold 7,400 shares on March 31, 2026, for approximately $631,739.
- Recent insider activity includes four sell transactions totaling $3.8M in the past 30 days.
Financial Impact
Approximately $383,134 based on 4,600 shares at ~$83.30 per share (implied from prior sale)
Risk Factors
- Increased insider selling pressure if other directors or executives follow suit.
- Potential negative market perception if multiple 10b5-1 sales cluster around earnings or clinical trial readouts.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-003152 |
| Document: 0001950047-26-003152-index.html | 0001950047-26-003152 |
| Document: 0001950047-26-003152.txt | 0001950047-26-003152 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 5, 2026 8w ago | 8-K | $105.48 $118.63 | ▲ +12.47% | ▲ +13.07% | $107.39 (+1.81%) |
Jul 8, 2026 12w ago | Insider Cluster | $114.16 $105.48 | ▲ +7.60% | ▲ +10.88% | $107.39 (+5.93%) |
Jul 2, 2026 13w ago | Insider Cluster | $113.51 $107.01 | ▲ +5.73% | ▲ +5.31% | $107.39 (+5.39%) |
Jul 2, 2026 13w ago | Insider Cluster | $113.51 $107.01 | ▲ +5.73% | ▲ +5.31% | $107.39 (+5.39%) |
Jun 30, 2026 13w ago | 144 | $114.20 $105.25 | ▲ +7.84% | ▲ +5.65% | $107.39 (+5.96%) |
Jun 29, 2026 13w ago | 144 | $114.67 $110.05 | ▼ −4.03% | ▼ −3.00% | $107.39 (−6.35%) |
Jun 26, 2026 13w ago | Insider Cluster | $109.32 $110.57 | ▼ −1.14% | ▼ −1.42% | $107.39 (+1.77%) |
Jun 26, 2026 13w ago | 144 | $109.32 $110.57 | ▼ −1.14% | ▼ −1.42% | $107.39 (+1.77%) |
Jun 26, 2026 14w ago | 144 | $109.32 $110.57 | ▼ −1.14% | ▼ −1.42% | $107.39 (+1.77%) |
Jun 24, 2026 14w ago | 144 | $116.46 $110.38 | ▼ −5.22% | ▼ −5.75% | $107.39 (−7.79%) |
US Market Status
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