Company profile

CRESCENT BIOPHARMA, INC. insider acquisitions

Company CIK 0001253689 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
CBIO · Nasdaq

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 23, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 30-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Pinkas JanPinkas JanDoughty Christopher GrantDoughty Christopher GrantBrumm Joshua TBrumm Joshua TScalzo Richard WilliamScalzo Richard WilliamMcNeill JonathanMcNeill JonathanIm Ellie EunkyungIm Ellie EunkyungLynch RyanLynch RyanBispham Barbara HarlinBispham Barbara HarlinPinkas Jan · December 15, 2025 · Stock award · Stock Option (Right to Buy)Pinkas Jan · December 15, 2025 · Stock award · Ordinary SharesPinkas Jan · December 15, 2025 · Stock award · Ordinary SharesDoughty Christopher Grant · December 15, 2025 · Stock award · Stock Option (Right to Buy)Doughty Christopher Grant · December 15, 2025 · Stock award · Ordinary SharesDoughty Christopher Grant · December 15, 2025 · Stock award · Ordinary SharesBrumm Joshua T · December 15, 2025 · Stock award · Stock Option (Right to Buy)Brumm Joshua T · December 15, 2025 · Stock award · Ordinary SharesBrumm Joshua T · December 15, 2025 · Stock award · Ordinary SharesScalzo Richard William · December 15, 2025 · Stock award · Stock Option (Right to Buy)Scalzo Richard William · December 15, 2025 · Stock award · Ordinary SharesScalzo Richard William · December 15, 2025 · Stock award · Ordinary SharesMcNeill Jonathan · December 15, 2025 · Stock award · Stock Option (Right to Buy)McNeill Jonathan · December 15, 2025 · Stock award · Ordinary SharesMcNeill Jonathan · December 15, 2025 · Stock award · Ordinary SharesIm Ellie Eunkyung · December 15, 2025 · Stock award · Stock Option (Right to Buy)Im Ellie Eunkyung · December 15, 2025 · Stock award · Ordinary SharesIm Ellie Eunkyung · December 15, 2025 · Stock award · Ordinary SharesLynch Ryan · December 15, 2025 · Stock award · Stock Option (Right to Buy)Lynch Ryan · December 15, 2025 · Stock award · Ordinary SharesLynch Ryan · December 15, 2025 · Stock award · Ordinary SharesBispham Barbara Harlin · December 15, 2025 · Stock award · Stock Option (Right to Buy)Bispham Barbara Harlin · December 15, 2025 · Stock award · Ordinary SharesBispham Barbara Harlin · December 15, 2025 · Stock award · Ordinary SharesMcNeill Jonathan · December 8, 2025 · Stock award · Stock Option (Right to Buy)Brumm Joshua T · December 8, 2025 · Stock award · Stock Option (Right to Buy)Dec 4, 2025Dec 15, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

28 dated transactions · 8 of 12 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Pinkas JanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesPinkas JanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesPinkas JanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Doughty Christopher GrantStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesDoughty Christopher GrantStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesDoughty Christopher GrantStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Brumm Joshua TStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesBrumm Joshua TStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesBrumm Joshua TStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Scalzo Richard WilliamStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesScalzo Richard WilliamStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesScalzo Richard WilliamStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)McNeill JonathanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesMcNeill JonathanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesMcNeill JonathanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Im Ellie EunkyungStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesIm Ellie EunkyungStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesIm Ellie EunkyungStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Lynch RyanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesLynch RyanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesLynch RyanStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Bispham Barbara HarlinStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesBispham Barbara HarlinStock award
Dec 15, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesBispham Barbara HarlinStock award
Dec 8, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)McNeill JonathanStock award
Dec 8, 2025CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy)Brumm Joshua TStock award
Dec 4, 2025CRESCENT BIOPHARMA, INC.Pre-Funded Warrant (Right to Buy)Harwin Peter Evan · Fairmount Healthcare Fund II L.P. · Fairmount Funds Management LLC · Kiselak TomasPurchase
Dec 4, 2025CRESCENT BIOPHARMA, INC.Ordinary SharesHarwin Peter Evan · Fairmount Healthcare Fund II L.P. · Fairmount Funds Management LLC · Kiselak TomasPurchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

CBIO · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

Reset
Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
Pinkas JanChief Scientific Officer
Stock awardStock Option (Right to Buy)Derivative security · Code A70,0250Value: 0Currency not specifiedView ↗
Trade:
Pinkas JanChief Scientific Officer
Stock awardOrdinary SharesNon-derivative security · Code A5,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Pinkas JanChief Scientific Officer
Stock awardOrdinary SharesNon-derivative security · Code A17,507Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Doughty Christopher GrantChief Business Officer
Stock awardStock Option (Right to Buy)Derivative security · Code A58,8550Value: 0Currency not specifiedView ↗
Trade:
Doughty Christopher GrantChief Business Officer
Stock awardOrdinary SharesNon-derivative security · Code A8,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Doughty Christopher GrantChief Business Officer
Stock awardOrdinary SharesNon-derivative security · Code A14,714Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Brumm Joshua TChief Executive Officer · Director
Stock awardStock Option (Right to Buy)Derivative security · Code A180,4670Value: 0Currency not specifiedView ↗
Trade:
Brumm Joshua TChief Executive Officer · Director
Stock awardOrdinary SharesNon-derivative security · Code A10,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Brumm Joshua TChief Executive Officer · Director
Stock awardOrdinary SharesNon-derivative security · Code A45,117Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Scalzo Richard WilliamChief Financial Officer
Stock awardStock Option (Right to Buy)Derivative security · Code A57,6880Value: 0Currency not specifiedView ↗
Trade:
Scalzo Richard WilliamChief Financial Officer
Stock awardOrdinary SharesNon-derivative security · Code A5,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Scalzo Richard WilliamChief Financial Officer
Stock awardOrdinary SharesNon-derivative security · Code A14,422Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
McNeill JonathanPresident and COO
Stock awardStock Option (Right to Buy)Derivative security · Code A78,0290Value: 0Currency not specifiedView ↗
Trade:
McNeill JonathanPresident and COO
Stock awardOrdinary SharesNon-derivative security · Code A6,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
McNeill JonathanPresident and COO
Stock awardOrdinary SharesNon-derivative security · Code A19,507Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Im Ellie EunkyungChief Medical Officer
Stock awardStock Option (Right to Buy)Derivative security · Code A65,1900Value: 0Currency not specifiedView ↗
Trade:
Im Ellie EunkyungChief Medical Officer
Stock awardOrdinary SharesNon-derivative security · Code A5,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Im Ellie EunkyungChief Medical Officer
Stock awardOrdinary SharesNon-derivative security · Code A16,298Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Lynch RyanSee Remarks
Stock awardStock Option (Right to Buy)Derivative security · Code A33,5120Value: 0Currency not specifiedView ↗
Trade:
Lynch RyanSee Remarks
Stock awardOrdinary SharesNon-derivative security · Code A4,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
Lynch RyanSee Remarks
Stock awardOrdinary SharesNon-derivative security · Code A8,378Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade: Stock awardStock Option (Right to Buy)Derivative security · Code A72,1850Value: 0Currency not specifiedView ↗
Trade: Stock awardOrdinary SharesNon-derivative security · Code A6,000Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade: Stock awardOrdinary SharesNon-derivative security · Code A12,422Not reported *Value: Not reportedCurrency not specifiedView ↗
Trade:
McNeill JonathanPresident and COO
Stock awardStock Option (Right to Buy)Derivative security · Code A172,8360Value: 0Currency not specifiedView ↗
Trade:
Brumm Joshua TChief Executive Officer · Director
Stock awardStock Option (Right to Buy)Derivative security · Code A345,6720Value: 0Currency not specifiedView ↗
Trade:
Harwin Peter EvanDirector · 10% owner
Fairmount Funds Management LLCDirector · 10% owner
Kiselak TomasDirector · 10% owner
Joint filing · amounts unallocated
PurchasePre-Funded Warrant (Right to Buy)Derivative security · Code P131,43413.409Value: 1,762,398.506Currency not specifiedView ↗
Trade:
Harwin Peter EvanDirector · 10% owner
Fairmount Funds Management LLCDirector · 10% owner
Kiselak TomasDirector · 10% owner
Joint filing · amounts unallocated
PurchaseOrdinary SharesNon-derivative security · Code P1,360,00013.41Value: 18,237,600Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →