PBLS at a glance
Parabilis Medicines Inc (PBLS, SEC CIK 1657677) filed a 10-Q quarterly report on August 13, 2026, an 8-K current report on September 15, 2026 and Form 4 insider filings as recently as August 25, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 16 institutional investment managers tracked by SignalX reported holding Parabilis Medicines Inc (PBLS) shares worth $664.5 million in 13F-HR filings.
- The most recent insider open-market purchase reported on Form 4 was by RA CAPITAL MANAGEMENT, L.P. on July 22, 2026 of 47,250 shares at $29.77 per share.
- In the last 90 days, PBLS insiders reported 6 open-market purchases ($6.9M) and 0 open-market sales ($0) on Form 4, a net purchase of $6.9M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 6 buys · 0 sells
- Net +$6.9M
- 13F holders
- 16 funds
- $664.5M
- Latest 10-Q
- Aug 13, 2026
- Quarterly report
SignalX for PBLS
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Tendler Craig | A | Aug 22, 2026 | 20,294 | - |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 22, 2026 | 47,250 | $29.77 |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 21, 2026 | 37,723 | $30.00 |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 21, 2026 | 21,696 | $27.96 |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 21, 2026 | 6,504 | $29.17 |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 20, 2026 | 32,987 | $27.72 |
| RA CAPITAL MANAGEMENT, L.P. | Buy | Jul 20, 2026 | 98,433 | $27.13 |
| SEBULSKY ALAN | Buy | Jun 15, 2026 | 5,000 | $26.00 |
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate PBLS share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 16 | $664.5M |
Source: 13F-HR filings on SEC EDGAR (aggregated from 16 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
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PBLS SEC filings: frequently asked questions
Are PBLS insiders buying or selling?
In the last 90 days, Parabilis Medicines Inc (PBLS) officers, directors and 10% owners reported 6 open-market purchases worth $6.9 million by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold PBLS stock?
As of June 30, 2026, the largest Parabilis Medicines Inc (PBLS) holders among the 13F filers tracked by SignalX were FMR LLC (Fidelity) ($281.7 million), Alphabet Inc ($134.6 million), Regeneron Pharmaceuticals ($114.0 million), Vanguard Portfolio Management LLC ($35.6 million), Vanguard Capital Management LLC ($31.7 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the latest PBLS SEC filings?
Parabilis Medicines Inc (PBLS) filed a 10-Q quarterly report on August 13, 2026, an 8-K current report on September 15, 2026 and a Form 4 insider filing on August 25, 2026.
What is PBLS's SEC CIK number?
Parabilis Medicines Inc (PBLS)'s SEC Central Index Key (CIK) is 1657677. EDGAR lists every PBLS filing under that number.
Ask anything about PBLS
The research agent reads PBLS's filings, financials, insider trades and 13F holders, then answers with sources.