buyModerate cluster of 2
Charles McWherter bought $100k of ETNB
director at 89bio, Inc.. 15,000 shares at an average of $6.66, traded Jan 21, 2025, filed Jan 23, 2025.
Conviction score
48Value
$100k
15,000 shares
Holdings after
25,000
+150% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +15RoleDirector
- +10Trade size$100k at market
- +10Relative to holdingsHoldings up 150%
- 0Price contextNo price history yet
- +8Cluster2 insiders buying within 14 days
- +5Repeat buying2 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Rows in this filing
Every transaction in Form 4 0000950170-25-008461, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 21, 2025 | POpen-market purchase Common Stock | +5,000 | $6.55 | $33k | 15,000 | Jan 23, 2025 |
| Jan 22, 2025 | POpen-market purchase Common Stock | +10,000 | $6.71 | $67k | 25,000 | Jan 23, 2025 |
Related signals
Other insiders at 89bio, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 5Weak | 89bio, Inc. | Quoc Le-Nguyen See Remarks | $115k 10,461 shares | -3% | |
| 4Weak | 89bio, Inc. | Quoc Le-Nguyen See Remarks | $91k 15,329 shares | -4% | |
| 54Moderate | 89bio, Inc. | Ra Capital Management, L.p. director, owner | $50M 5,714,285 shares | +41% | |
| 3Weak | 89bio, Inc. | Quoc Le-Nguyen See Remarks | $71k 10,963 shares | -4% | |
| 44Moderate | 89bio, Inc. | Rohan Palekar Chief Executive Officer | $39k 5,000 shares | +1% | |
| 40Moderate | 89bio, Inc. | Charles McWherter director | $80k 10,000 shares | - | |
| 42Moderate | 89bio, Inc. | Rohan Palekar Chief Executive Officer | $84k 10,000 shares | +2% | |
| 13Weak | 89bio, Inc. | Quoc Le-Nguyen See Remarks | $227k 27,955 shares | -13% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.