Stephen A. Trowbridge is CFO & VP at ANGIODYNAMICS INC (ANGO). They have made 7 open-market trades across 1 company since 2016, most recently 2026-10-29.
CIK 0001624250
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
5 open-market purchases totalling $67K since 2020, against 2 sales. Across 5 scored buys the stock is up 12.5% at ninety days, and 8.9 points ahead of the S&P over the same stretch.
5 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| ANGO | 280,461 | $3.4M |
Shares reported on the most recent Form 4, priced at the 2026-10-30 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 40% | 40% | 40% |
| Avg Move | -1.0% | +2.1% | +12.5% |
| Alpha | -2.2% | -0.2% | +8.9% |
| Scored | 5 | 5 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ANGO | SELL | 2026-10-28 | 2026-10-30 | $12.26 | $311K | — | — | — |
| ANGO | BUY | 2025-10-13 | 2025-10-14 | $11.16 | $10K | +7.5% | +7.1% | -11.3% |
| ANGO | BUY | 2024-10-08 | 2024-10-08 | $5.86 | $10K | +4.4% | +16.8% | +51.5% |
| ANGO | BUY | 2022-10-12 | 2022-10-12 | $13.82 | $15K | -6.8% | -2.1% | -3.9% |
| ANGO | BUY | 2022-01-12 | 2022-01-12 | $22.64 | $23K | -7.1% | -8.9% | -2.5% |
| ANGO | BUY | 2020-08-11 | 2020-08-12 | $9.38 | $10K | -3.2% | -2.8% | +29.0% |
| ANGO | SELL | 2016-04-21 | 2016-04-25 | $12.30 | $159K | +0.5% | -0.7% | +34.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.