ORBIMED ADVISORS LLC
Director, 10% Owner · Electra Therapeutics, Inc.
Every open-market stock purchase ORBIMED ADVISORS LLC has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.
Where the buys stand today
- BRVEBraveheart Bio, Inc.
2 purchases totalling $34.9M at an average of $18.00 per share. See all insider buying in BRVE →
Avg price paid$18.00Latest price—Market capUnknown - ETRAElectra Therapeutics, Inc.
12 purchases totalling $23.6M at an average of $13.07 per share. See all insider buying in ETRA →
Avg price paid$13.07Latest price—Market capUnknown - ADRXADARx Pharmaceuticals, Inc.
3 purchases totalling $16.2M at an average of $17.00 per share. See all insider buying in ADRX →
Avg price paid$17.00Latest price—Market capUnknown - ASPEAspen Neuroscience, Inc.
One purchase totalling $15.0M at an average of $15.00 per share. See all insider buying in ASPE →
Avg price paid$15.00Latest price—Market capUnknown - SCTXScribe Therapeutics, Inc.
One purchase totalling $15.0M at an average of $15.00 per share. See all insider buying in SCTX →
Avg price paid$15.00Latest price—Market capUnknown - QTTBQ32 Bio Inc.
2 purchases totalling $15.0M at an average of $8.00 per share. See all insider buying in QTTB →
Avg price paid$8.00Latest price—Market cap$215.7M - UPBUpstream Bio, Inc.
2 purchases totalling $14.0M at an average of $17.00 per share. See all insider buying in UPB →
Avg price paid$17.00Latest price—Market cap$396.2M - PRLD+12.4% vs price paidPrelude Therapeutics Inc
2 purchases totalling $12.5M at an average of $4.44 per share; the stock last traded at $4.99. See all insider buying in PRLD →
Avg price paid$4.44Latest price$4.99Market cap$494.9M - MBX+260.6% vs price paidMBX Biosciences, Inc.
2 purchases totalling $12.0M at an average of $16.00 per share; the stock last traded at $57.70. See all insider buying in MBX →
Avg price paid$16.00Latest price$57.70Market cap$2.8B - ACETAdicet Bio, Inc.
2 purchases totalling $5.0M at an average of $1.00 per share. See all insider buying in ACET →
Avg price paid$1.00Latest price—Market capUnknown - TRAWTraws Pharma, Inc.
One purchase totalling $998.2K at an average of $1.67 per share. See all insider buying in TRAW →
Avg price paid$1.67Latest price—Market capUnknown
Cluster participation
Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.
- ETRASep 21 – Nov 5, 20262 insiders$47.2M
- ETRASep 21 – Nov 5, 20262 insiders$43.6M
- ASPENov 2 – Nov 2, 20263 insiders$53.0M
- ASPENov 2 – Nov 2, 20264 insiders$68.0M
- ADRXSep 28 – Sep 28, 20264 insiders$86.7M
- ADRXSep 28 – Sep 28, 20265 insiders$87.7M
- ADRXSep 28 – Sep 28, 20263 insiders$70.6M
- ETRASep 21 – Sep 21, 20262 insiders$40.0M
- BRVEAug 7 – Aug 7, 202610 insiders$159.0M
- BRVEAug 7 – Aug 7, 20268 insiders$104.3M
- BRVEAug 7 – Aug 7, 20269 insiders$139.2M
- SCTXJul 23 – Jul 28, 20266 insiders$71.3M
- SCTXJul 23 – Jul 28, 20265 insiders$66.3M
- QTTBMay 28 – May 28, 20262 insiders$30.0M
- PRLDApr 21 – Apr 21, 20262 insiders$25.0M
- UPBOct 15 – Oct 15, 20243 insiders$48.0M
- MBXSep 16 – Sep 16, 202415 insiders$136.0M
All reported buys
| Date | Ticker | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Nov 5, 2026 | ETRAcluster | 125,200 | $7.31 | $915.2K | SEC ↗ |
| Nov 5, 2026 | ETRAcluster | 30,891 | $7.31 | $225.8K | SEC ↗ |
| Nov 4, 2026 | ETRAcluster | 9,267 | $7.78 | $72.1K | SEC ↗ |
| Nov 4, 2026 | ETRAcluster | 20,000 | $7.07 | $141.4K | SEC ↗ |
| Nov 4, 2026 | ETRAcluster | 5,000 | $7.07 | $35.4K | SEC ↗ |
| Nov 4, 2026 | ETRAcluster | 37,100 | $7.78 | $288.6K | SEC ↗ |
| Nov 3, 2026 | ETRAcluster | 98,600 | $7.88 | $777.0K | SEC ↗ |
| Nov 3, 2026 | ETRAcluster | 24,400 | $7.88 | $192.3K | SEC ↗ |
| Nov 3, 2026 | ETRAcluster | 97,800 | $7.84 | $766.8K | SEC ↗ |
| Nov 3, 2026 | ETRAcluster | 24,313 | $7.84 | $190.6K | SEC ↗ |
| Nov 2, 2026 | ASPEcluster | 1,000,000 | $15.00 | $15.0M | SEC ↗ |
| Sep 28, 2026 | ADRXcluster | 61,516 | $17.00 | $1.0M | SEC ↗ |
| Sep 28, 2026 | ADRXcluster | 300,249 | $17.00 | $5.1M | SEC ↗ |
| Sep 28, 2026 | ADRXcluster | 588,235 | $17.00 | $10.0M | SEC ↗ |
| Sep 21, 2026 | ETRAcluster | 1,000,000 | $15.00 | $15.0M | SEC ↗ |
| Sep 21, 2026 | ETRAcluster | 333,333 | $15.00 | $5.0M | SEC ↗ |
| Aug 7, 2026 | BRVEcluster | 273,333 | $18.00 | $4.9M | SEC ↗ |
| Aug 7, 2026 | BRVEcluster | 1,666,667 | $18.00 | $30.0M | SEC ↗ |
| Jul 27, 2026 | SCTXcluster | 1,000,000 | $15.00 | $15.0M | SEC ↗ |
| May 28, 2026 | QTTBcluster | 1,250,000 | $8.00 | $10.0M | SEC ↗ |
| May 28, 2026 | QTTBcluster | 625,000 | $8.00 | $5.0M | SEC ↗ |
| Apr 21, 2026 | PRLDcluster | 1,126,126 | $4.44 | $5.0M | SEC ↗ |
| Apr 21, 2026 | PRLDcluster | 1,689,189 | $4.44 | $7.5M | SEC ↗ |
| Apr 16, 2026 | 597,729 | $1.67 | $998.2K | SEC ↗ | |
| Oct 8, 2025 | 3,500,000 | $1.00 | $3.5M | SEC ↗ | |
| Oct 8, 2025 | 1,500,000 | $1.00 | $1.5M | SEC ↗ | |
| Oct 15, 2024 | UPBcluster | 660,000 | $17.00 | $11.2M | SEC ↗ |
| Oct 15, 2024 | UPBcluster | 165,000 | $17.00 | $2.8M | SEC ↗ |
| Sep 16, 2024 | MBXcluster | 250,000 | $16.00 | $4.0M | SEC ↗ |
| Sep 16, 2024 | MBXcluster | 500,000 | $16.00 | $8.0M | SEC ↗ |
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About this data
Figures are parsed from ORBIMED ADVISORS LLC's Form 4 filings on SEC EDGAR (CIK 1055951) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.
This page is informational and reflects public filing data. It is not investment advice.