Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Ra Capital Healthcare Fund Lp
Over the trailing 90 days, Ra Capital Healthcare Fund Lp (Director at Hemab Therapeutics Holdings, Inc.) traded $667.8M of stock (net buying $644.9M) across 19 companies, per 109 SEC Form 4 transactions.
- Role
- Director
- Window
- Trailing 90 days · 109 transactions · CIK 1315082
- Net activity
- +$644.9M ($656.3M bought · $11.5M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| PBLS | Parabilis Medicines, Inc. | 15 | $430.7M | — | $430.7M |
| ARTV | Artiva Biotherapeutics, Inc. | 20 | $117.6M | — | $117.6M |
| COAG | Hemab Therapeutics Holdings, Inc. | 25 | $55.5M | — | $55.5M |
| FRNM | Freenome, Inc. | 7 | $52.6M | — | $52.6M |
| VOR | Vor Biopharma Inc. | 4 | $4K | $10.5M | −$10.5M |
| HOWL | Werewolf Therapeutics, Inc. | 20 | — | $964K | −$964K |
| IKT | Inhibikase Therapeutics, Inc. | 2 | — | — | $0 |
| CLYM | Climb Bio, Inc. | 2 | — | — | $0 |
| SEPN | Septerna, Inc. | 1 | — | — | $0 |
| SPRY | ARS Pharmaceuticals, Inc. | 1 | — | — | $0 |
| PEPG | PepGen Inc. | 1 | — | — | $0 |
| ACRV | Acrivon Therapeutics, Inc. | 2 | — | — | $0 |
| SION | Sionna Therapeutics, Inc. | 1 | — | — | $0 |
| LENZ | LENZ Therapeutics, Inc. | 1 | — | — | $0 |
| JANX | Janux Therapeutics, Inc. | 2 | — | — | $0 |
| NKTX | Nkarta, Inc. | 1 | — | — | $0 |
| BCAX | Bicara Therapeutics Inc. | 1 | — | — | $0 |
| ABOS | Acumen Pharmaceuticals, Inc. | 2 | — | — | $0 |
| TYRA | Tyra Biosciences, Inc. | 1 | — | — | $0 |
Transactions (109)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-31 | ARTV | Buy | 24.9K | $248K | Open market or private purchase |
| 2026-07-29 | ARTV | Buy | 20.8K | $208K | Open market or private purchase |
| 2026-07-29 | IKT | Buy | 18.0M | $0 | Other acquisition or disposition |
| 2026-07-29 | IKT | Sell | 18.0M | $0 | Other acquisition or disposition |
| 2026-07-24 | ARTV | Buy | 41.3K | $413K | Open market or private purchase |
| 2026-07-23 | ARTV | Buy | 59.9K | $596K | Open market or private purchase |
| 2026-07-22 | ARTV | Buy | 84.1K | $835K | Open market or private purchase |
| 2026-07-22 | PBLS | Buy | 47.2K | $1.4M | Open market or private purchase |
| 2026-07-21 | ARTV | Buy | 120.6K | $1.2M | Open market or private purchase |
| 2026-07-21 | PBLS | Buy | 21.7K | $607K | Open market or private purchase |
| 2026-07-21 | PBLS | Buy | 6.5K | $190K | Open market or private purchase |
| 2026-07-21 | PBLS | Buy | 37.7K | $1.1M | Open market or private purchase |
| 2026-07-20 | FRNM | Buy | 553.7K | $0 | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 4.9M | $49.2M | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 367.4K | $0 | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 337.0K | $3.4M | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 908.1K | $0 | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 971.0K | $0 | Grant, award or other acquisition |
| 2026-07-20 | FRNM | Buy | 6.6M | $0 | Grant, award or other acquisition |
| 2026-07-20 | PBLS | Buy | 98.4K | $2.7M | Open market or private purchase |
| 2026-07-20 | PBLS | Buy | 33.0K | $914K | Open market or private purchase |
| 2026-07-17 | ARTV | Buy | 7.9K | $71K | Open market or private purchase |
| 2026-07-16 | VOR | Sell | 2.1M | $10.5M | Exercise of in-the-money or at-the-money derivative security |
| 2026-07-16 | VOR | Sell | 213 | $4K | Open market or private sale |
| 2026-07-16 | VOR | Buy | 2.1M | $4K | Exercise of in-the-money or at-the-money derivative security |
| 2026-07-16 | ARTV | Buy | 152.5K | $1.4M | Open market or private purchase |
| 2026-07-13 | ARTV | Buy | 6.6K | $59K | Open market or private purchase |
| 2026-07-10 | ARTV | Buy | 15.1K | $135K | Open market or private purchase |
| 2026-06-29 | CLYM | Buy | 70.3K | $0 | Grant, award or other acquisition |
| 2026-06-26 | SEPN | Buy | 15.0K | $0 | Grant, award or other acquisition |
| 2026-06-26 | ARTV | Buy | 1.9K | $17K | Open market or private purchase |
| 2026-06-25 | ARTV | Buy | 31.0K | $275K | Open market or private purchase |
| 2026-06-24 | SPRY | Buy | 30.0K | $0 | Grant, award or other acquisition |
| 2026-06-18 | PEPG | Buy | 34.0K | $0 | Grant, award or other acquisition |
| 2026-06-17 | HOWL | Sell | 27.7K | $10K | Open market or private sale |
| 2026-06-17 | HOWL | Sell | 389.2K | $136K | Open market or private sale |
| 2026-06-17 | ACRV | Buy | 20.3K | $0 | Grant, award or other acquisition |
| 2026-06-17 | SION | Buy | 17.3K | $0 | Grant, award or other acquisition |
| 2026-06-16 | COAG | Buy | 61.5K | $1.5M | Open market or private purchase |
| 2026-06-16 | ARTV | Buy | 124.9K | $1.1M | Open market or private purchase |
| 2026-06-16 | HOWL | Sell | 9.9K | $4K | Open market or private sale |
| 2026-06-16 | HOWL | Sell | 139.7K | $52K | Open market or private sale |
| 2026-06-15 | COAG | Buy | 6.1K | $153K | Open market or private purchase |
| 2026-06-15 | ARTV | Buy | 15.4K | $139K | Open market or private purchase |
| 2026-06-15 | HOWL | Sell | 8.6K | $3K | Open market or private sale |
| 2026-06-15 | HOWL | Sell | 120.2K | $47K | Open market or private sale |
| 2026-06-15 | LENZ | Buy | 22.1K | $0 | Grant, award or other acquisition |
| 2026-06-12 | ARTV | Buy | 391.0K | $3.4M | Open market or private purchase |
| 2026-06-12 | HOWL | Sell | 11.3K | $5K | Open market or private sale |
| 2026-06-12 | HOWL | Sell | 159.1K | $64K | Open market or private sale |
| 2026-06-11 | PBLS | Buy | 6.6M | $0 | Conversion of derivative security |
| 2026-06-11 | PBLS | Buy | 1.2M | $0 | Conversion of derivative security |
| 2026-06-11 | PBLS | Buy | 1.5M | $29.2M | Open market or private purchase |
| 2026-06-11 | PBLS | Buy | 19.7M | $394.6M | Open market or private purchase |
| 2026-06-11 | PBLS | Sell | 1.7M | $0 | Conversion of derivative security |
| 2026-06-11 | PBLS | Sell | 9.4M | $0 | Conversion of derivative security |
| 2026-06-11 | PBLS | Sell | 160.6K | $0 | Conversion of derivative security |
| 2026-06-11 | PBLS | Sell | 642.2K | $0 | Conversion of derivative security |
| 2026-06-11 | VOR | Buy | 57.2K | $0 | Grant, award or other acquisition |
| 2026-06-11 | JANX | Buy | 15.5K | $0 | Grant, award or other acquisition |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
Follow Ra's next move
Real-time Form 4 alerts, insider track records, and cluster detection — matched to your watchlist.