Mark Elliott Boulding $PTCT SEC Form 4 Insider Trading

Mark Elliott Boulding has filed a total of 71 insider trades in $PTCT since 2021. Their most recent trade was a sale of 7,400 shares, made on Oct 03, 2025. Their largest trade was a sale of 83,640 shares, made on Dec 02, 2024. We estimate that they now own 103,901 shares of $PTCT, worth an estimated $6.4 million.

Insider Trading at $PTCT

There have been a total of 290 insider trades reported at $PTCT since 2021, with 7,700 shares purchased and 1.0 million shares sold. The most active insider traders in $PTCT stock have been Mark Elliott Boulding, Neil Gregory Almstead, and Eric Pauwels. The most recent trade was a sale of 4,037 shares reported by Emma Reeve (None), made on Oct 03, 2025.

$PTCT Executives and Stock Owners with Insider Trades

• Mark Elliott Boulding, EXEC. VP AND CLO

• Neil Gregory Almstead, CHIEF TECHNICAL OPS OFFICER

• Eric Pauwels, CHIEF BUSINESS OFFICER

• Christine Marie Utter, SVP, FINANCE & CAO

• Mark Elliott Boulding, Exec. VP and CLO

• Matthew B. Klein, CHIEF EXECUTIVE OFFICER

• Stuart Walter Peltz, CHIEF EXECUTIVE OFFICER

• Christine Marie Utter, SVP, CHIEF ACCOUNTING OFFICER

• Lee Scott Golden, EVP & CHIEF MEDICAL OFFICER

• Emily Luisa Hill, CHIEF FINANCIAL OFFICER

• Neil Gregory Almstead, Chief Technical Ops Officer

• Stuart Walter Peltz, Chief Executive Officer

• Eric Pauwels, CHIEF EXECUTIVE OFFICER

• Pierre Gravier, CHIEF FINANCIAL OFFICER

• Christine Marie Utter, SVP, Finance & CAO

• Eric Pauwels, Chief Business Officer

• Emily Luisa Hill, Chief Financial Officer

• Matthew B. Klein, CHIEF OPERATING OFFICER

• Lee Scott Golden, CHIEF MEDICAL OFFICER

• Matthew B. Klein, Chief Operating Officer

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.