Jonathan I Lieber
At a glance: Jonathan I Lieber is CFO at Rallybio (RLYB). Their latest SEC Form 4, filed Oct 28, 2026, reported a sale of $10K. On file: 0 purchase lines ($0) and 2 sale lines ($14K).
CFO at Rallybio Corp (RLYB)
Purchase track record
Not enough history. Based on 0 purchases with a full 90 days of price history.
—
Avg. 90-day return—
vs. S&P 500—
Beat the market—
Paper profit on buys$0
Total bought / sold$0 / $14K
Every purchase since 2023
From the SEC's insider data sets: each open-market buy by Jonathan I Lieber, matched to how the stock did over the next 90 days against the S&P 500.
1 of 1 buy beat the S&P 500 (100%), median +48.9% vs. the index. Small sample: treat with care. All insider buys: 46%.
| Stock | Filed | 90 days vs. S&P 500 |
|---|---|---|
| RLYB | Mar 16, 2023 | +48.9% |
Buys made close together in one stock count once. Price-only returns; history, not a prediction.