Mark Elliott Boulding

Current Holdings

EXEC. VP AND CLO
Security Holdings
Common Stock 92,389 shares

Cumulative Trading Activity in Common Stock for Ptc Therapeutics, Inc. in 2025

This page tracks insider trading for Mark Elliott Boulding, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Mark Elliott Boulding has engaged in since 2021. As shown above, Mark Elliott Boulding has completed -$2,622,566 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 14 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
PTCT 2024-2-15 $0 21,200 $0 21,200 $0 0 SEC Filing
PTCT 2024-1-30 -$21,637 -794 $0 0 -$21,637 -794 SEC Filing
PTCT 2024-1-8 -$97,960 -3,395 $0 0 -$97,960 -3,395 SEC Filing
PTCT 2023-4-17 -$1,272,886 0 $1,910,944 61,923 -$3,183,830 -61,923 SEC Filing
PTCT 2023-1-31 -$37,050 -812 $0 0 -$37,050 -812 SEC Filing
PTCT 2022-10-17 -$166,607 0 $212,965 6,901 -$379,572 -6,901 SEC Filing
PTCT 2022-9-20 -$28,389 0 $36,291 1,176 -$64,680 -1,176 SEC Filing
PTCT 2022-4-13 -$77,252 0 $25,559 2,276 -$102,811 -2,276 SEC Filing
PTCT 2022-4-5 -$169 0 $56 5 -$225 -5 SEC Filing
PTCT 2022-2-10 -$500,022 0 $307,537 17,935 -$807,559 -17,935 SEC Filing
PTCT 2022-2-1 -$31,162 -779 $0 0 -$31,162 -779 SEC Filing
PTCT 2022-1-7 -$34,095 13,515 $0 14,400 -$34,095 -885 SEC Filing
PTCT 2021-9-2 -$90,808 0 $60,568 3,363 -$151,375 -3,363 SEC Filing
PTCT 2021-7-8 -$264,529 0 $152,744 9,234 -$417,274 -9,234 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Mark Elliott Boulding before the earliest date displayed on this page may exist, but is not shown here.