ORBIMED ADVISORS LLC
SEC Form 4 insider trading activity
ORBIMED ADVISORS LLC has filed 26 SEC Form 4 filings (68 transaction rows) across 13 companies, including ADRX, ETRA, BLSM, with disclosures dating back to 2025. 23 of those filings fall inside the rolling window. Most recent filing: Sep 30, 2026.
On the most recent filing, ORBIMED ADVISORS LLC is listed as Director, 10% Owner at ADARx Pharmaceuticals, Inc. Inside the rolling window, ORBIMED ADVISORS LLC reported 8 open-market purchases totaling $124.6M in ADRX, ETRA, BLSM and 5 more and 25 open-market sales totaling $109.6M in SION, ELVN, ACET and 1 more. The largest disclosed transaction in the window is a sale of 860,123 ELVN shares on Jun 22, 2026, worth $39.0M.
Companies traded
Other insiders at ADRX
Insider Buying
$124.6M
reported purchases (SEC code P)
Insider Selling
$109.6M
reported sales (SEC code S)
Companies
13
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| ADRX | Director, 10% Owner | Purchase | 950,000 | $16.1M | Sep 30 | SEC ↗ | |
| ETRA | Director, 10% Owner | Purchase | 1,333,333 | $20.0M | Sep 23 | SEC ↗ | |
| BLSM | Director | Purchase | 625,000 | $10.0M | Aug 12 | SEC ↗ | |
| BRVE | Director, 10% Owner | Purchase | 1,940,000 | $34.9M | Aug 11 | SEC ↗ | |
| SCTX | Director | Purchase | 1,000,000 | $15.0M | Jul 29 | SEC ↗ | |
| SION | Director | Sale | 85,918 | $3.9M | Jul 9 | SEC ↗ | |
| SION | Director | Sale | 115,844 | $5.3M | Jul 2 | SEC ↗ | |
| ELVN | 10% Owner | Sale | 860,123 | $39.0M | Jun 24 | SEC ↗ | |
| ELVN | 10% Owner | Sale | 281,408 | $12.7M | Jun 17 | SEC ↗ | |
| QTTB | Director, 10% Owner | Purchase | 1,875,000 | $15.0M | Jun 2 | SEC ↗ | |
| SION | Director | Sale | 101 | $4K | May 30 | SEC ↗ | |
| SION | Director | Sale | 48,546 | $2.2M | May 11 | SEC ↗ | |
| SION | Director | Sale | 59,767 | $2.7M | May 11 | SEC ↗ | |
| SION | Director | Sale | 184,639 | $8.5M | May 11 | SEC ↗ | |
| TRAW | 10% Owner | Purchase | 597,729 | $998K | Apr 29 | SEC ↗ | |
| PRLD | Director, 10% Owner | Purchase | 2,815,315 | $12.5M | Apr 23 | SEC ↗ | |
| SION | Director | Sale | 52,397 | $2.3M | Apr 21 | SEC ↗ | |
| SION | Director | Sale | 2,948 | $131K | Apr 21 | SEC ↗ | |
| SION | Director | Sale | 47,814 | $2.1M | Apr 16 | SEC ↗ | |
| SION | Director | Sale | 235,863 | $10.5M | Apr 16 | SEC ↗ | |
| SION | Director | Sale | 226,906 | $10.3M | Apr 16 | SEC ↗ | |
| ACET | 10% Owner | Sale | 31,719 | $207K | Apr 9 | SEC ↗ | |
| ACET | 10% Owner | Sale | 72,939 | $468K | Apr 9 | SEC ↗ | |
| SION | Director | Sale | 1,890 | $84K | Feb 4 | SEC ↗ | |
| SION | Director | Sale | 29,063 | $1.3M | Feb 4 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 8, 2025 | ACET | Purchase | $3.5M |
| Oct 8, 2025 | ACET | Purchase | $1.5M |
| Sep 10, 2025 | PMVP | Sale | $900K |
Frequently asked questions
How many SEC Form 4 filings has ORBIMED ADVISORS LLC made?
ORBIMED ADVISORS LLC has filed 26 SEC Form 4 filings (68 transaction rows) across 13 companies, including ADRX, ETRA, BLSM since 2025.
Which companies does ORBIMED ADVISORS LLC trade?
ORBIMED ADVISORS LLC has filed SEC Form 4 disclosures for 13 companies, including ADRX, ETRA, BLSM.
When was ORBIMED ADVISORS LLC's most recent SEC Form 4 filing?
ORBIMED ADVISORS LLC's most recent SEC Form 4 filing on Tracefour is dated Sep 30, 2026.
What is ORBIMED ADVISORS LLC's total buy and sell value in the current window?
Inside the rolling retention window, ORBIMED ADVISORS LLC bought $124.6M and sold $109.6M based on SEC Form 4 filings.
What was ORBIMED ADVISORS LLC's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 860,123 ELVN shares on 2026-06-22, worth $39.0M, per SEC Form 4 filings.