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Kiselak Tomas

In the past year, 4 open-market purchase filings worth $39.6M and 3 sale filings worth $833.2M.

Current role at each company

Show 5 more companies

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
$39.6M
4 filings
Sold
$833.2M
3 filings
Net
−$793.6M
Bought minus sold
Companies
5
With open-market trades

Trades

Every Form 4 that lists Kiselak Tomas 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.

CBIO Crescent Biopharma, Inc.

Director, 10% Owner4 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 20, 2026 (view filing)5:30 PM ETJul 164 daysHarwin Peter Evan and 3 othersDirector, 10% OwnerPPurchase+853.5K$14.50+$12.4M+31.1%3.60M after
Jul 20, 2026 (view filing)5:30 PM ETJul 164 daysHarwin Peter Evan and 3 othersDirector, 10% OwnerPPurchase+525.9K$14.50+$7.62M–2.29M afterDerivative
Dec 8, 2025 (view filing)4:30 PM ETDec 44 daysHarwin Peter Evan and 3 othersDirector, 10% OwnerPPurchase+1.36M$13.41+$18.2M+98.0%2.75M after
Dec 8, 2025 (view filing)4:30 PM ETDec 44 daysHarwin Peter Evan and 3 othersDirector, 10% OwnerPPurchase+131.4K$13.41+$1.76M–1.77M afterDerivative

ORKA Oruka Therapeutics, Inc.

Director, 10% Owner1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 1, 2026 (view filing)9:30 PM ETJul 1Same dayHarwin Peter Evan and 4 othersDirector, 10% OwnerSSale−3.55M$84.43−$300.0M−75.8%1.13M after

SYRE Spyre Therapeutics, Inc.

Director1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 23, 2026 (view filing)9:56 PM ETJun 23Same dayHarwin Peter Evan and 3 othersDirectorSSale−4.68M$85.31−$399.7M−100.0%0 after

ZBIO Zenas BioPharma, Inc.

Director3 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 1, 2026 (view filing)4:30 PM ETMar 311 dayHarwin Peter Evan and 3 othersDirectorPPurchase+150.0K$20.00+$3.00M+6.8%2.36M after
Oct 9, 2025 (view filing)4:15 PM ETOct 72 daysHarwin Peter Evan and 3 othersDirectorPPurchase+316.2K$19.00+$6.01M+16.7%2.21M after
Sep 17, 2024 (view filing)8:56 PM ETSep 161 dayHarwin Peter Evan and 3 othersDirectorPPurchase+300.0K$17.00+$5.10M+18.8%1.89M afterAmended

CIK 0001974640

Director2 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jan 22, 2026 (view filing)8:07 PM ETJan 22Same dayHarwin Peter Evan and 3 othersDirectorSSale−1.75M$76.30−$133.5M−85.4%298.6K after
Jul 17, 2023 (view filing)8:00 PM ETJul 134 daysHarwin Peter Evan and 5 othersDirectorPPurchase+2.94M$17.00+$50.0MNew position892.5K after3 lots

DNTH Dianthus Therapeutics, Inc.

Director4 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Oct 3, 2023 (view filing)4:00 PM ETSep 294 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+24.7K$13.63+$336.3K+1.3%1.93M after
Sep 28, 2023 (view filing)5:09 PM ETSep 262 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+30.0K$13.15+$394.5K+1.6%1.90M after
Sep 21, 2023 (view filing)4:23 PM ETSep 192 daysHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+30.0K$13.20+$396.0K+1.6%1.87M after
Sep 13, 2023 (view filing)9:17 PM ETSep 12-131 dayHarwin Peter Evan and 2 othersDirector, 10% OwnerPPurchase+24.3K$11.20+$271.7K+1.3%1.84M after2 lots