Michael S. Perry is Director at ARROWHEAD RESEARCH CORP (ARWR). They have made 16 open-market trades across 4 companies since 2011, most recently 2026-08-18.
CIK 0001250379
1 open-market purchase totalling $400K since 2018, against 15 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| ARWR | 111,459 | $6.2M |
| RCEL | 379,543 | $5.0M |
| APHB | 411,105 | $1.8M |
| TGEN | 20,000 | $42K |
| PARD | 10,519 | — |
| TGEN.PK | 70,000 | — |
| Total | $13.1M |
Shares reported on the most recent Form 4, priced at the 2026-08-20 close. 2 holdings could not be priced and are excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ARWR | SELL | 2026-08-18 | 2026-08-20 | $87.30 | $1.0M | -6.0% | -21.8% | — |
| ARWR | SELL | 2025-12-05 | 2025-12-09 | $61.03 | $2.0M | +0.1% | -4.5% | -10.9% |
| RCEL | SELL | 2022-11-21 | 2022-11-22 | $7.18 | $1.1M | -8.8% | -7.4% | +27.6% |
| RCEL | SELL | 2022-02-24 | 2022-02-25 | $8.74 | $189K | -3.2% | -12.0% | -38.3% |
| ARWR | SELL | 2022-01-03 | 2022-01-04 | $64.56 | $460K | -10.2% | -23.9% | -21.4% |
| RCEL | SELL | 2021-09-01 | 2021-09-07 | $20.68 | $464K | -6.8% | -13.8% | -35.5% |
| RCEL | SELL | 2021-06-02 | 2021-06-04 | $17.33 | $797K | +16.1% | +13.3% | +16.7% |
| ARWR | SELL | 2021-01-04 | 2021-01-05 | $76.09 | $304K | +12.7% | +17.2% | -6.1% |
| RCEL | SELL | 2020-09-14 | 2020-09-16 | $27.17 | $2.4M | -10.0% | -11.9% | -33.7% |
| RCEL | SELL | 2020-09-10 | 2020-09-11 | $26.12 | $895K | -4.1% | +3.0% | -20.2% |
| ARWR | SELL | 2020-05-12 | 2020-05-13 | $35.83 | $1.3M | +1.0% | -1.9% | +21.6% |
| ARWR | SELL | 2019-09-09 | 2019-09-11 | $29.41 | $5.4M | -6.2% | +5.8% | +130.2% |
| APHB | BUY | 2018-03-22 | 2018-03-26 | $1.10 | $400K | +6.0% | -6.0% | +0.4% |
| PARD | SELL | 2012-03-27 | 2012-03-27 | $0.83 | $1K | N/A | N/A | N/A |
| PARD | SELL | 2012-02-16 | 2012-02-17 | $0.87 | $6K | N/A | N/A | N/A |
| PARD | SELL | 2011-04-13 | 2011-04-14 | $0.37 | $17K | N/A | N/A | N/A |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.