Insider · CIK 0001891841
Heidi Hunter
director
Files at STRO (SUTRO BIOPHARMA, INC.), IOBT (IO Biotech, Inc.). First filing Jun 2, 2025, latest Jun 2, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$21k bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 23, 2025 | STRO SUTRO BIOPHARMA, INC. | AGrant or award Stock Option (right to buy)derivative | +1,500 | $0.00 | $0 | 1,500 | Dec 29, 2025 |
| Jun 6, 2025 | STRO SUTRO BIOPHARMA, INC. | AGrant or award Stock Option (right to buy)derivative | +50,000 | $0.00 | $0 | 50,000 | Jun 10, 2025 |
| Jun 5, 2025 | IOBT IO Biotech, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +35,144 | $0.00 | $0 | 35,144 | Jun 6, 2025 |
| May 30, 2025 | IOBT IO Biotech, Inc. | POpen-market purchase Common Stock | +15,000 | $1.39 | $21k | 15,000 | Jun 2, 2025 |
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.