David Charles Lubner is SVP and CFO at TETRAPHASE PHARMACEUTICALS INC (TTPH). They have made 3 open-market trades across 3 companies since 2014, most recently 2026-08-07.
CIK 0001572000
2 open-market purchases totalling $1.0M since 2020, against 1 sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| ACLX | 27,659 | $3.2M |
| BRVE | 55,555 | $1.0M |
| DYN | 53,625 | $764K |
| RARX | 10,417 | $500K |
| TTPH | 78,770 | $173K |
| PNT | 3,600 | $45K |
| Total | $5.7M |
Shares reported on the most recent Form 4, priced at the 2026-08-07 close.
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 |
|---|---|---|---|---|---|---|---|---|
| BRVE | BUY | 2026-08-07 | 2026-08-07 | $18.00 | $1000K | -3.3% | -3.6% | — |
| ACLX | SELL | 2026-01-20 | 2026-01-20 | $75.00 | $450K | -3.8% | -6.3% | +61.9% |
| PNT | BUY | 2022-11-23 | 2022-11-28 | $6.85 | $25K | +0.6% | +1.2% | +12.7% |
| TTPH | SELL · 10b5-1 | 2015-08-14 | 2015-08-17 | $42.92 | $408K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2015-07-14 | 2015-07-15 | $48.92 | $367K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2015-06-12 | 2015-06-16 | $41.45 | $725K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2015-05-14 | 2015-05-18 | $39.28 | $589K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2014-06-17 | 2014-06-18 | $12.51 | $169K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2014-03-06 | 2014-03-10 | $13.65 | $62K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2014-02-12 | 2014-02-13 | $13.92 | $63K | -43.2% | -0.6% | -0.6% |
| TTPH | SELL · 10b5-1 | 2014-02-07 | 2014-02-11 | $14.22 | $141K | -43.2% | -0.6% | -0.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.