PK
Insider
Peter Kolchinsky
DirectorPeter Kolchinsky (Director) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in VOR. The largest single filing was $14.5M of VOR (847,732 sh across 4 lots, as filed), executed Apr 2. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
3
0 buys · 3 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$14.6M
shares × price, as filed
Last traded
Jun 9
Filed Jun 11
Median ADV $10.0M across their filed names
Open performance→Volume by month
Buys $161.8M
Sells $25.9M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
2 filings
Not on file
1 filing
Sector per market data · by filing · past 12 months
Most traded names
VOR
VOR
0 buys · 2 sells
2 filings
CDTX
CDTX
1 buy · 0 sells
1 filing
ETNB
ETNB
1 buy · 0 sells
1 filing
HOWLRecent filings
HOWLSALE
Werewolf Therapeutics, Inc.
View filing →
$128K345,235 sh × $0.37
Exec Jun 9
Filed Jun 11 · 5:30 PM ET VORSALE Vor Biopharma Inc. View filing → $14.5M
847,732 sh across 4 lots
Exec Apr 2
Filed Apr 6 · 5:30 PM ET SIONSALE Sionna Therapeutics, Inc. View filing → $947K
23,973 sh across 3 lots
Exec Nov 21 2025
Filed Nov 24 2025 · 5:30 PM ET VORSALE Vor Biopharma Inc. View filing → $10.4M
400,408 sh across 4 lots
Exec Oct 28 2025
Filed Oct 30 2025 · 5:30 PM ET CDTXPURCHASE Cidara Therapeutics, Inc. View filing → $100.0M
2,272,727 sh × $44.00
Exec Jun 26 2025
Filed Jun 30 2025 · 5:30 PM ET TYRAPURCHASE Tyra Biosciences, Inc. View filing → $11.8M
1,211,198 sh across 2 lots
Exec Jun 4 2025
Filed Jun 6 2025 · 5:30 PM ET ETNBPURCHASE 89bio, Inc. View filing → $50.0M
5,714,285 sh × $8.75
Exec Jan 30 2025
Filed Feb 3 2025 · 5:30 PM ET