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SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Stiefel Justin B

Stiefel Justin B

Insider

Insider

Total trades

13

Bought (open market)

$7K

Sold (open market)

$0

Tickers traded

1

Recent trades

Most recent Form 4 filings by Stiefel Justin B.

Stiefel Justin Bexercised1,459 shares ofIPSTAug 2 · filed Aug 3Details
Stiefel Justin Btax-withheld433 shares ofIPSTat $2.16$935Aug 2 · filed Aug 3Details
Stiefel Justin Bexercised209 shares ofIPSTAug 2 · filed Aug 3Details

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Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

Stiefel Justin B

tax-withheld

62 shares of

IPST

at $2.16

$134Aug 2 · filed Aug 3Details

Stiefel Justin Bexercised1,458 shares ofIPSTMay 2 · filed May 5Details

Stiefel Justin Btax-withheld433 shares ofIPSTat $5.5$2KMay 2 · filed May 5Details

Stiefel Justin Bexercised208 shares ofIPSTMay 2 · filed May 5Details

Stiefel Justin Btax-withheld62 shares ofIPSTat $5.5$341May 2 · filed May 5Details

Stiefel Justin Bexercised58,333 shares ofIPSTFeb 2 · filed Feb 3Details

Stiefel Justin Btax-withheld17,296 shares ofIPSTat $1.08$19KFeb 2 · filed Feb 3Details

Stiefel Justin Bgranted175,000 shares ofIPSTat $0Oct 1, 2025 · filed Jan 5Details

Stiefel Justin Bgranted25,000 shares ofIPSTat $0Oct 1, 2025 · filed Jan 5Details

Stiefel Justin Bexercised3,309,615 shares ofCASKat $0$331Sep 18, 2025 · filed Sep 22, 2025Details

Stiefel Justin Bbought3,309,615 shares ofCASKat $0.604$2MAug 15, 2025 · filed Aug 19, 2025Details

Stiefel Justin Bbought2,916 shares ofCASKat $1.2$3KFeb 7, 2025Details

Stiefel Justin Bbought2,450 shares ofCASKat $1.23$3KFeb 7, 2025Details