Investors / filer profile

Pfeiffenberger Brent

President and CEO

active in 2 companies · 1 of 1 positions beat the S&P ~6mo later

Pro
Bought: Pro
Sold: 15
Filings: 2
Companies: 2026-09-11
Last filed

EDGAR · CIK 0002001162 ↗

Track record

How each disclosed position did against the S&P ~6 months later

The outcome curve and every position's resultPro →

+360.3%

median move per position

+12.9%

S&P 500 median, same spans

1 of 1

beat the S&P ~6mo later

Disclosed positions

Estimated from their latest filings — positions may have changed since

Estimated positions from their latest filingsPro →

Activity

Open-market buy & sell volume

BuySell

Total +$47.7K bought · −$15.3K sold

All filings on record

Every Form 4 transaction we track for this filer


IPSCCentury Therapeutics, Inc.	Tax $26.9K · 13,850 sh	2026-09-11	—
IPSCCentury Therapeutics, Inc.	Tax $976.93 · 463 sh	2026-09-04	—
IPSCCentury Therapeutics, Inc.	Tax $59.9K · 31,172 sh	2026-08-14	—
IPSCCentury Therapeutics, Inc.	Tax $31.0K · 13,849 sh	2026-06-11	—
CRBPCorbus Pharmaceuticals Holdings, Inc.	Grant — · 7,500 sh	2026-05-19	—
IPSCCentury Therapeutics, Inc.	Tax $72.9K · 31,172 sh	2026-05-15	—
IPSCCentury Therapeutics, Inc.	Tax $54.6K · 31,172 sh	2026-02-13	—
IPSCCentury Therapeutics, Inc.	Grant — · 475,000 sh	2026-02-02	—
IPSCCentury Therapeutics, Inc.	Buy $30.4K · 52,000 sh	2025-12-12	—
IPSCCentury Therapeutics, Inc.	Tax $243.54 · 463 sh	2025-12-10	—

IPSCTax

2026-09-11 · Century Therapeutics, Inc.

$26.9K

—

IPSCTax

2026-09-04 · Century Therapeutics, Inc.

$976.93

—

IPSCTax

2026-08-14 · Century Therapeutics, Inc.

$59.9K

—

IPSCTax

2026-06-11 · Century Therapeutics, Inc.

$31.0K

—

CRBPGrant

2026-05-19 · Corbus Pharmaceuticals Holdings, Inc.

7,500

—

IPSCTax

2026-05-15 · Century Therapeutics, Inc.

$72.9K

—

IPSCTax

2026-02-13 · Century Therapeutics, Inc.

$54.6K

—

IPSCGrant

2026-02-02 · Century Therapeutics, Inc.

475,000

—

IPSCBuy

2025-12-12 · Century Therapeutics, Inc.

$30.4K

—

IPSCTax

2025-12-10 · Century Therapeutics, Inc.

$243.54

—

Newest 10 of 15 filingsEvery Form 4 on record, with outcomesPro →

Outcomes measure each position — the first buy in a stock and every buy within 182 days — against the closing price ~6 months (120 trading days) later, with the S&P 500 over the same span for context. Pre-scheduled 10b5-1 plan trades are excluded from the record. Positions are estimated from the latest reported post-transaction holdings, split-adjusted, at the latest close. Built from SEC Form 4 filings and market prices — past outcomes, not predictions or advice.