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Hennessy Sean P

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Hennessy Sean P as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

TDG TransDigm Group INC

Director4 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 20, 2025 (view filing)May 20Same dayHennessy Sean PDirectorSSale−4.70K$1,436.52−$6.75M−12.2%33.7K after5 lots
May 9, 2024 (view filing)Jan 22108 daysLateHennessy Sean PDirectorPPurchase+0.48$1,065.40+$511.390.0%34.0K after
Nov 27, 2023 (view filing)Nov 225 daysHennessy Sean PDirectorSSale−3.65K$971.15−$3.54M−9.7%33.9K after6 lots
Aug 16, 2022 (view filing)Aug 151 dayHennessy Sean PDirectorSSale−4.48K$678.14−$3.04M−11.7%33.9K after2 lots

PRM Perimeter Solutions, Inc.

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 10, 2021 (view filing)Nov 91 dayHennessy Sean PDirectorPPurchase+100.0K$10.00+$1.00MNew position100.0K after