Robert Langer is 10% at INVIVO THERAPEUTICS HOLDINGS CORP. (NVIV). They have made 11 open-market trades across 4 companies since 2007, most recently 2026-07-28.
CIK 0001239757
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
1 open-market purchase totalling $25K since 2007, against 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MRNA | 11,467,664 | $2.5B |
| MNTA | 950,022 | $49.9M |
| FREQ | 214,326 | $3.2M |
| NVIV | 7,436,128 | $2.4M |
| SEER | 821,025 | $1.7M |
| LYRA | 15,167 | $8K |
| RUBY | 7,500 | $1K |
| WYE | 8,505 | — |
| BIND | 738,424 |
Shares reported on the most recent Form 4, priced at the 2026-07-30 close. 7 holdings could not be priced and are excluded from the total.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 100% | 0% | 0% |
| Avg Move | -36.6% | +2.0% | +2.0% |
| Scored | 5 | 5 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| RUBY | SELL | 2019-10-14 | 2019-10-17 | $8.52 | $64K | -1.3% | -17.1% | +2.4% |
| RUBY | SELL | 2019-07-15 | 2019-07-17 | $14.94 | $112K | -1.6% | -28.5% | -41.7% |
| RUBY | SELL | 2019-04-15 | 2019-04-17 | $17.57 | $132K | -1.3% | -11.6% | -16.4% |
| RUBY | SELL | 2019-01-14 | 2019-01-18 | $14.59 | $109K | -1.7% | -4.7% | +22.3% |
| NVIV | SELL · 10b5-1 | 2013-06-03 | 2013-06-05 | $3.73 | $28K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-29 | 2013-05-31 | $3.31 | $25K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-23 | 2013-05-28 | $2.97 | $22K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-20 | 2013-05-22 | $2.88 | $22K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-15 | 2013-05-17 | $2.85 | $21K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-10 | 2013-05-14 | $2.91 | $22K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-07 | 2013-05-09 | $2.91 | $22K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-05-02 | 2013-05-06 | $3.02 | $23K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-04-29 | 2013-05-01 | $3.12 | $23K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL · 10b5-1 | 2013-04-24 | 2013-04-26 | $2.92 | $22K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL | 2013-01-15 | 2013-01-17 | $2.46 | $470K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL | 2012-06-29 | 2012-07-02 | $2.35 | $106K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL | 2012-06-26 | 2012-06-28 | $2.41 | $373K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL | 2012-04-13 | 2012-04-17 | $2.40 | $480K | -36.6% | +2.0% | +2.0% |
| NVIV | SELL | 2011-12-29 | 2012-01-03 | $2.49 | $411K | -36.6% | +2.0% | +2.0% |
| MNTA | SELL | 2008-08-08 | 2008-08-11 | $16.81 | $336K | -10.8% | -2.5% | -2.5% |
| SONT | BUY | 2007-01-30 | 2007-01-31 | $0.10 | $25K | 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.
| — |
| ECTE | 603,450 | — |
| OCAT | 52,250 | — |
| SONT | 307,504 | — |
| SONTD | 57,504 | — |
| ACTC | 46,000 | — |
| Total | $2.6B |