Brian Jg Pereira
CIK: 0001298146
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (25 total)
- Aug 20, 2026PROK
PROKIDNEY CORP.
Sale(S)Direct27.1K shares at avg. $1.42$38K - Aug 20, 2026PROK
PROKIDNEY CORP.
Sale(S)Indirect222.9K shares at avg. $1.42$317K - Aug 19, 2026PROK
PROKIDNEY CORP.
Sale(S)Indirect222.9K shares at avg. $1.44$321K - Aug 19, 2026PROK
PROKIDNEY CORP.
Sale(S)Direct27.1K shares at avg. $1.44$39K - Aug 18, 2026PROK
PROKIDNEY CORP.
Sale(S)Direct27.8K shares at avg. $1.37$38K - Aug 18, 2026PROK
PROKIDNEY CORP.
Sale(S)Indirect229.3K shares at avg. $1.37$314K - Aug 4, 2026PROK
PROKIDNEY CORP.
Conversion(C)Direct81.9K shares- - Aug 4, 2026PROK
PROKIDNEY CORP.
Conversion(C)Indirect675.2K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
10K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
14K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
7K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
10K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
10K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
10K shares- - Jun 11, 2026KALV
KalVista Pharmaceuticals, Inc.
Disposition(D)DirectStock Option (Right to Buy)
30K shares- - May 28, 2026PROK
PROKIDNEY CORP.
Award(A)DirectDirector stock option (right to buy)
135K shares- - Nov 13, 2025PROK
PROKIDNEY CORP.
Sale(S)Indirect54.3K shares at avg. $2.37$129K - Nov 13, 2025PROK
PROKIDNEY CORP.
Sale(S)Indirect447.8K shares at avg. $2.37$1.1M - Nov 12, 2025PROK
PROKIDNEY CORP.
Sale(S)Indirect27.6K shares at avg. $2.72$75K - Nov 12, 2025PROK
PROKIDNEY CORP.
Sale(S)Indirect227.4K shares at avg. $2.72$619K - Oct 1, 2025KALV
KalVista Pharmaceuticals, Inc.
Award(A)DirectStock Option (right to buy)
30K shares- - May 29, 2025PROK
PROKIDNEY CORP.
Award(A)DirectDirector stock option (right to buy)
125.9K shares- - Feb 4, 2025PROK
PROKIDNEY CORP.
Conversion(C)Indirect675.2K shares- - Feb 4, 2025PROK
PROKIDNEY CORP.
Conversion(C)Direct81.9K shares- - Oct 3, 2024KALV
KalVista Pharmaceuticals, Inc.
Award(A)DirectStock Option (Right to Buy)
10K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 20, 2026 |  PROK PROKIDNEY CORP. | Sale(S) | 27,052 | $1.42 | $38,411 | Direct |
| Aug 20, 2026 | PROK PROKIDNEY CORP. | Sale(S) | 222,948 | $1.42 | $316,564 | Indirect |
| Aug 19, 2026 | PROK PROKIDNEY CORP. | Sale(S) | 222,949 | $1.44 | $321,203 | Indirect |
| Aug 19, 2026 | PROK PROKIDNEY CORP. | Sale(S) | 27,051 | $1.44 | $38,972 | Direct |
| Aug 18, 2026 | PROK PROKIDNEY CORP. | Sale(S) | 27,826 | $1.37 | $38,155 | Direct |
| Aug 18, 2026 | PROK PROKIDNEY CORP. | Sale(S) | 229,338 | $1.37 | $314,468 | Indirect |
| Aug 4, 2026 | PROK PROKIDNEY CORP. | Conversion(C) | 81,929 | - | $0 | Direct |
| Aug 4, 2026 | PROK PROKIDNEY CORP. | Conversion(C) | 675,235 | - | $0 | Indirect |
| Jun 11, 2026 |  KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 14,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 7,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Jun 11, 2026 | KALV KalVista Pharmaceuticals, Inc. | Disposition(D) Stock Option (Right to Buy) | 30,000 | - | - | Direct |
| May 28, 2026 | PROK PROKIDNEY CORP. | Award(A) Director stock option (right to buy) | 135,000 | - | - | Direct |
| Nov 13, 2025 | PROK PROKIDNEY CORP. | Sale(S) | 54,333 | $2.37 | $128,769 | Indirect |
| Nov 13, 2025 | PROK PROKIDNEY CORP. | Sale(S) | 447,803 | $2.37 | $1,061,293 | Indirect |
| Nov 12, 2025 | PROK PROKIDNEY CORP. | Sale(S) | 27,595 | $2.72 | $75,152 | Indirect |
| Nov 12, 2025 | PROK PROKIDNEY CORP. | Sale(S) | 227,431 | $2.72 | $619,363 | Indirect |
| Oct 1, 2025 | KALV KalVista Pharmaceuticals, Inc. | Award(A) Stock Option (right to buy) | 30,000 | - | - | Direct |
| May 29, 2025 | PROK PROKIDNEY CORP. | Award(A) Director stock option (right to buy) | 125,862 | - | - | Direct |
| Feb 4, 2025 | PROK PROKIDNEY CORP. | Conversion(C) | 675,234 | - | - | Indirect |
| Feb 4, 2025 | PROK PROKIDNEY CORP. | Conversion(C) | 81,928 | - | - | Direct |
| Oct 3, 2024 | KALV KalVista Pharmaceuticals, Inc. | Award(A) Stock Option (Right to Buy) | 10,000 | - | - | Direct |
1-25 of 25 transactions
About Pereira Brian JG
Pereira Brian JG (SEC CIK 0001298146) files insider reports with the SEC as Director of PROKIDNEY CORP. (PROK) and Director of KalVista Pharmaceuticals, Inc. (KALV).
Signal8 holds 9 ownership filings by Pereira Brian JG, all Form 4s, filed between Oct 4, 2024 and Aug 20, 2026. Those filings report 25 transactions, from Oct 3, 2024 to Aug 20, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Pereira Brian JG's filings is in WINSTON SALEM, NC.
Recent filings by Pereira Brian JG
- Aug 20, 2026: Open-market sales of PROK shares (2 lines, Form 4, code S).
- Aug 19, 2026: Open-market sales of PROK shares (2 lines, Form 4, code S).
- Aug 18, 2026: Open-market sales of PROK shares (2 lines, Form 4, code S).
- Aug 4, 2026: Conversions of PROK shares (2 lines, Form 4, code C).
- Jun 11, 2026: Disposition to issuer transactions of KALV derivative securities (7 lines, Form 4, code D).
Other insiders filing for PROKIDNEY CORP. (PROK)
- Weber Darin J., Chief Regulatory Officer
- Locke Kenneth Thomas, Chief Technical Officer
- Girolamo Todd C, Chief Legal Officer
- Lotvin Alan, Director
- Jimenez Santos Jose Ignacio, Director
- Fox Jennifer A., Director