InsiderTrades

Harwin Peter Evan

SEC CIK 1663607 · EDGAR

Buying vs selling by month open-market trades, last 37 months, all 4 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CBIOCRESCENT BIOPHARMA, INC.Dir, 10% 2.75M $18.24M — 12025-12-042025-12-04
ZBIOZenas BioPharma, Inc.Dir 2.21M $11.11M — 32024-09-162025-10-07
SYRESpyre Therapeutics, Inc.Dir 4.02M — — 12024-04-252024-04-25
DNTHDianthus Therapeutics, Inc. /DE/Dir, 10% 1.93M $336.3K — 12023-09-292023-09-29

Most active insiders at CBIO, 12 months

#InsiderTitleBoughtSold
1 Harwin Peter EvanDir, 10% $18.24M—
2 Fairmount Funds Management LLCDir, 10% $12.38M—
3 Brumm Joshua TCEO, Dir —$920.8K
4 McNeill JonathanPres, COO —$446.9K
5 Pinkas JanCSO —$34.9K
6 Im Ellie EunkyungChief Medical Off —$33.1K
7 Bispham Barbara HarlinSee Remarks —$33.0K
8 Scalzo Richard WilliamCFO —$30.2K
9 Lynch RyanSee Remarks —$12.7K
10 Doughty Christopher GrantChief Business Off ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DI 2025-12-08 2025-12-04 CBIO CRESCENT BIOPHARMA, INC. Harwin Peter Evan Dir, 10% P - Purchase $13.41 +1.36M 2.75M +98% +$18.24M
I 2025-10-09 2025-10-07 ZBIO Zenas BioPharma, Inc. Harwin Peter Evan Dir P - Purchase $19.00 +316.2K 2.21M +17% +$6.01M
DMI 2024-09-16 2024-09-16 ZBIO Zenas BioPharma, Inc. Harwin Peter Evan Dir C - Cnv Deriv — +1.30M 41.1K New —
DI 2024-09-16 2024-09-16 ZBIO Zenas BioPharma, Inc. Harwin Peter Evan Dir P - Purchase $17.00 +300.0K 1.60M +23% +$5.10M
DI 2024-04-25 2024-04-25 SYRE Spyre Therapeutics, Inc. Harwin Peter Evan Dir M - OptEx $0.00 +3.64M 4.02M +962% $0
I 2023-10-03 2023-09-29 DNTH Dianthus Therapeutics, Inc. /DE/ Harwin Peter Evan Dir, 10% P - Purchase $13.63 +24.7K 1.93M +1% +$336.3K

Purchase Sale Sale after option exercise All abbreviations