PBLS
Parabilis Medicines, Inc. · Healthcare · Market cap $4.7B
Insiders bought $441.4M net in the last 90 days ·0 sellers, 3 buyers· latest Form 4 filed Jul 22, 2026
Insider Buying
$441.4M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Jul 22, 2026
RA CAPITAL MANAGEMENT, L.P.
Parabilis Medicines, Inc. (PBLS) has 8 SEC Form 4 filings (29 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Jul 22, 2026.
Inside the rolling window, 3 insiders at Parabilis Medicines, Inc. reported 8 open-market purchases totaling $441.4M and no open-market sales. The most active filer is Director, 10% Owner RA CAPITAL MANAGEMENT, L.P. with 4 filings. Insiders have net bought $441.4M over the trailing 6 months. The largest single insider purchase in this window was $423.8M by Director, 10% Owner RA CAPITAL MANAGEMENT, L.P. on Jun 11, 2026. The most recent open-market filing is a purchase of 131,420 shares by Director, 10% Owner RA CAPITAL MANAGEMENT, L.P., dated Jul 20, 2026, worth $3.6M.
- Industry:Biotechnology
- CEO:Mathai Mammen
- Employees:145
- HQ:Cambridge, MA, US
- IPO:2026-06-10
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director, 10% Owner | Purchase | 131,420 | $3.6M | Jul 22 | +23.9% | SEC ↗ | |
| Director, 10% Owner | Purchase | 65,923 | $1.9M | Jul 22 | +23.9% | SEC ↗ | |
| Director, 10% Owner | Purchase | 47,250 | $1.4M | Jul 22 | +23.9% | SEC ↗ | |
Levy GuyFirst filing | 10% Owner | Purchase | 500,000 | $10.0M | Jun 29 | +30.8% | SEC ↗ |
| Director | Purchase | 8,435 | $233K | Jun 16 | +43.6% | SEC ↗ | |
| Director | Purchase | 9,065 | $240K | Jun 16 | +43.6% | SEC ↗ | |
| Director, 10% Owner | Purchase | 21,188,750 | $423.8M | Jun 15 | — | SEC ↗ | |
SEBULSKY ALANFirst filing | Director | Purchase | 12,500 | $250K | Jun 15 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does PBLS have?
Parabilis Medicines, Inc. (PBLS) has 8 SEC Form 4 filings (29 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Jul 22, 2026.
When was the most recent SEC Form 4 filing for PBLS?
The most recent Form 4 filing for PBLS on Tracefour is dated Jul 22, 2026.
Who is the most active insider at PBLS?
The most active SEC Form 4 filer at PBLS in the rolling window is Director, 10% Owner RA CAPITAL MANAGEMENT, L.P., with 4 filings.
What is the net insider flow at PBLS over the last 6 months?
Over the trailing 180 days, insiders at PBLS have net bought $441.4M based on SEC Form 4 disclosures.
What was the largest insider purchase at PBLS?
The largest single insider open-market purchase at PBLS in the rolling window was $423.8M by Director, 10% Owner RA CAPITAL MANAGEMENT, L.P. on 2026-06-11.
What is the total insider buy and sell value at PBLS in the current window?
Inside the rolling window, insiders at PBLS bought $441.4M and sold $0 based on SEC Form 4 filings.
Can I get alerts for PBLS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Parabilis Medicines, Inc. (PBLS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Parabilis Medicines, Inc. is in the Healthcare sector.