David M. Mott is Director & 10% Owner at TESARO, Inc. (TSRO). They have made 90 open-market trades across 29 companies since 2011, most recently 2026-06-20.
CIK 0001219871
76 open-market purchases totalling $441.7M since 2011, against 14 sales. Across 71 scored buys the stock is down 0.6% at ninety days, and 3.3 points behind the S&P over the same stretch.
71 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 39% | 42% | 42% |
| Avg Move | -1.5% | +0.5% | -0.6% |
| Alpha | -3.2% | -0.2% | -3.3% |
| Scored | 71 | 71 | 71 |
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 63% | 63% | 63% |
| Avg Move | -3.4% | +5.4% | +5.9% |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| ARDX | BUY | 2026-02-20 | 2026-02-23 | $5.84 | $1.9M | +1.0% | -9.2% | +0.8% |
| ARDX | BUY | 2025-06-16 | 2025-06-18 | $3.63 | $726K | +5.5% | +19.4% | +73.7% |
| ARDX | BUY | 2025-06-09 | 2025-06-11 | $3.69 | $738K | -1.6% | +20.1% | +75.4% |
| ARDX | BUY | 2025-05-15 | 2025-05-19 | $3.29 | $329K | -11.1% | -12.6% | +40.7% |
| ARDX | BUY | 2025-05-02 | 2025-05-05 | $4.22 | $3.2M | -13.1% | -5.1% | +12.9% |
| ARDX | BUY | 2025-02-24 | 2025-02-26 | $5.00 | $389K | +0.3% | -5.6% | -24.0% |
| ARDX | BUY | 2025-01-21 | 2025-01-22 | $4.99 | $993K | +0.2% | -4.2% | -8.9% |
| ARDX | BUY | 2024-12-19 | 2024-12-23 | $4.67 | $996K | +3.5% | +4.6% | +8.7% |
| ARDX | BUY | 2024-11-13 | 2024-11-14 | $4.62 | $2.0M | +10.3% | +11.1% | +12.4% |
| ARDX | BUY | 2022-11-17 | 2022-11-17 | $1.76 | $998K | -4.7% | -2.5% | +67.3% |
| IMRA | BUY | 2022-02-18 | 2022-02-23 | $1.45 | $439K | +11.9% | +35.7% | -13.3% |
| IMRA | BUY | 2022-02-15 | 2022-02-17 | $1.19 | $55K | +34.9% | +61.1% | -3.2% |
| IMRA | BUY | 2022-02-10 | 2022-02-14 | $1.23 | $39K | +19.0% | +27.0% | -5.6% |
| NVAX | SELL | 2021-09-23 | 2021-09-24 | $252.84 | $12.3M | -34.9% | -45.5% | -28.7% |
| EPZM | BUY | 2021-03-25 | 2021-03-29 | $7.97 | $999K | +10.0% | +9.2% | +23.8% |
| ARDX | BUY | 2020-12-10 | 2020-12-10 | $5.89 | $1.0M | +3.0% | +3.8% | -5.7% |
| EPZM | BUY | 2020-06-26 | 2020-06-26 | $16.03 | $2.0M | -5.7% | -7.9% | -27.1% |
| ARDX | BUY | 2020-06-24 | 2020-06-26 | $6.85 | $1.9M | -2.1% | -3.3% | -21.2% |
| ARDX | BUY | 2020-06-22 | 2020-06-24 | $6.75 | $32K | +2.8% | -7.3% | -16.9% |
| MRSN | BUY | 2020-04-07 | 2020-04-09 | $5.59 | $6.0M | -3.8% | +9.6% | +157.9% |
| ADAP | BUY | 2020-01-24 | 2020-01-28 | $0.67 | $5.0M | +0.0% | -10.3% | -16.7% |
| GRTX | BUY | 2019-11-12 | 2019-11-12 | $12.00 | $5.0M | -6.7% | -31.3% | +2.9% |
| MIRM | BUY | 2019-07-22 | 2019-07-24 | $15.00 | $6.8M | -5.9% | +0.4% | -47.4% |
| EPZM | SELL | 2019-06-27 | 2019-06-28 | $12.43 | $1.3M | +5.9% | +2.9% | -19.8% |
| EPZM | SELL | 2019-06-26 | 2019-06-26 | $12.85 | $674K | +7.2% | +4.5% | -16.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| BOX | 2,091,457 | $82.7M |
| CRCM | 2,256,013 | $33.8M |
| TRVI | 1,938,562 | $23.0M |
| DERM | 3,502,922 | $17.4M |
| MRSN | 588,694 | $17.1M |
| ARDX | 3,323,200 | $10.3M |
| HIVE | 4,673,589 | $9.4M |
| RGLS | 900,900 | $7.4M |
| WDAY | 23,212 | $4.4M |
| TCON | 2,758,039 | $3.9M |
| RARX | 80,223 | $3.8M |
| SURF | 3,179,544 | $3.4M |
| IMRA | 193,967 | $2.8M |
| SYBX | 4,228,940 | $2.4M |
| CERC | 594,245 | $1.7M |
| TSRO | 15,362 | $1.2M |
| ADAP | 19,500,000 | $1.1M |
| NVAX | 79,770 | $897K |
| AKAO | 5,215,128 | $574K |
| GRTX | 3,673,446 | $533K |
| GNCA | 7,225,676 | $369K |
| EPZM | 224,488 | $330K |
| CVT | 10,000 | $85K |
| APPN | 1,352 | $56K |
| ROKA | 4,000 | $3K |
| CLVS | 575 | $47 |
| ILIU | 55,418,811 | — |
| MM | 8,196,614 | — |
| MIRN | 2,971,517 | — |
| MEDI | 599,355 | — |
| OMTH | 5,208,213 | — |
| Total | $2.0B |
Shares reported on the most recent Form 4, priced at the 2026-06-23 close. 5 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.
| Scored | 8 | 8 | 8 |