Renee P. Tannenbaum is Director at ZOGENIX, INC. (ZGNX). They have made 12 open-market trades across 4 companies since 2012, most recently 2026-05-21.
CIK 0001543174
6 open-market purchases totalling $307K since 2012, against 6 sales. Across 6 scored buys the stock is down 5.0% at ninety days, and 5.6 points behind the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| ANIP | 29,514 | $2.1M |
| ZGNX | 32,567 | $869K |
| SMED | 40,932 | $358K |
| CRDF | 20,000 | $19K |
| Total | $3.4M |
Shares reported on the most recent Form 4, priced at the 2026-06-10 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 33% | 33% | 33% |
| Avg Move | -7.5% | -8.0% | -5.0% |
| Alpha | -4.4% | -6.6% | -5.6% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ANIP | SELL | 2025-12-05 | 2025-12-09 | $81.15 | $146K | +2.1% | -0.1% | -7.8% |
| CRDF | BUY | 2024-12-12 | 2024-12-16 | $3.42 | $34K | +4.9% | -16.5% | -1.7% |
| ANIP | SELL | 2024-05-16 | 2024-05-17 | $63.87 | $128K | +3.2% | +0.5% | -0.7% |
| CRDF | BUY | 2022-09-15 | 2022-09-19 | $1.72 | $17K | -11.0% | -13.3% | -27.7% |
| ZGNX | SELL | 2021-11-29 | 2021-11-30 | $11.72 | $124K | +8.6% | +37.8% | +120.5% |
| ZGNX | BUY | 2021-06-01 | 2021-06-03 | $17.05 | $85K | +1.7% | +2.8% | -13.5% |
| ZGNX | SELL | 2020-11-17 | 2020-11-18 | $20.74 | $311K | +7.8% | +0.0% | +12.5% |
| ZGNX | SELL | 2019-03-06 | 2019-03-08 | $50.65 | $887K | +2.6% | +1.5% | -24.3% |
| ZGNX | SELL | 2019-03-06 | 2019-03-08 | $50.65 | $1.8M | +2.6% | +1.5% | -24.3% |
| ZGNX | BUY | 2017-03-16 | 2017-03-20 | $11.00 | $55K | -0.9% | -0.9% | +35.5% |
| ZGNX | BUY | 2015-12-03 | 2015-12-08 | $15.40 | $77K | -27.8% | -20.6% | -23.6% |
| SMED | BUY | 2012-03-16 | 2012-03-19 | $3.83 | $38K | -11.9% | +0.8% | +0.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.