Rachel Lam is Director at TREMOR VIDEO INC. (TRMR). They have made 26 open-market trades across 4 companies since 2013, most recently 2026-08-10.
CIK 0001579232
23 open-market purchases totalling $295K since 2013, against 3 sales. Across 23 scored buys the stock is up 6.8% at ninety days, and 6.3 points ahead of the S&P over the same stretch.
23 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| MGNI | 230,620 | $5.4M |
| PRCH | 193,931 | $3.4M |
| CTV | 287,695 | $903K |
| TLRA | 144,607 | $868K |
| TRMR | 94,576 | $475K |
| RUBI | 167,891 | $65K |
| Total | $11.1M |
Shares reported on the most recent Form 4, priced at the 2026-08-12 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 22% | 17% |
| Avg Move | -4.4% | +4.2% | +6.8% |
| Alpha | -1.1% | +4.1% | +6.3% |
| Scored | 23 | 23 | 23 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MGNI | SELL | 2026-08-10 | 2026-08-12 | $24.16 | $242K | -4.1% | -3.2% | — |
| MGNI | SELL | 2025-08-12 | 2025-08-14 | $22.25 | $334K | +6.4% | +0.5% | -39.8% |
| PRCH | SELL · 10b5-1 | 2025-08-06 | 2025-08-08 | $15.21 | $380K | +8.4% | +34.7% | -24.8% |
| PRCH | SELL · 10b5-1 | 2025-06-13 | 2025-06-13 | $10.75 | $269K | +8.8% | +12.9% | +65.5% |
| PRCH | BUY | 2023-11-10 | 2023-11-14 | $1.02 | $10K | +19.2% | +96.9% | +116.9% |
| CTV | BUY | 2023-08-15 | 2023-08-16 | $1.09 | $11K | +0.0% | +7.0% | -6.1% |
| PRCH | BUY | 2022-11-11 | 2022-11-14 | $1.00 | $10K | +34.4% | +45.0% | +123.2% |
| PRCH | BUY | 2022-05-12 | 2022-05-16 | $3.70 | $19K | -11.2% | -41.0% | -33.3% |
| MGNI | BUY | 2022-05-11 | 2022-05-12 | $9.00 | $23K | -5.7% | -1.5% | -7.1% |
| MGNI | BUY | 2022-03-03 | 2022-03-07 | $12.81 | $32K | +9.1% | +8.3% | -5.8% |
| MGNI | BUY | 2021-12-06 | 2021-12-08 | $16.15 | $40K | -5.9% | -16.8% | -35.2% |
| MGNI | SELL | 2021-04-05 | 2021-04-07 | $43.50 | $218K | -9.3% | -9.9% | -13.5% |
| TRMR | BUY | 2017-08-09 | 2017-08-11 | $2.33 | $12K | +29.5% | +62.2% | +52.7% |
| TRMR | BUY | 2016-08-26 | 2016-08-29 | $1.69 | $13K | -12.9% | -1.8% | +19.4% |
| TRMR | BUY | 2016-08-09 | 2016-08-11 | $1.61 | $16K | -4.4% | -11.0% | -1.1% |
| TRMR | BUY | 2015-11-20 | 2015-11-24 | $1.86 | $4K | -11.8% | -3.9% | -8.3% |
| TRMR | BUY | 2015-11-11 | 2015-11-13 | $1.98 | $10K | -11.8% | -3.9% | -16.7% |
| TRMR | BUY | 2015-08-25 | 2015-08-26 | $2.05 | $10K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2015-08-11 | 2015-08-12 | $2.33 | $12K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2015-02-26 | 2015-03-02 | $2.47 | $12K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2014-11-26 | 2014-12-01 | $2.69 | $7K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2014-11-13 | 2014-11-17 | $2.83 | $6K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2014-08-11 | 2014-08-12 | $3.25 | $8K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2014-05-08 | 2014-05-12 | $3.88 | $10K | -11.8% | -3.9% | -3.9% |
| TRMR | BUY | 2013-11-20 | 2013-11-22 | $4.03 | $4K | -11.8% | -3.9% | -3.9% |
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.