Company profile
CRESCENT BIOPHARMA, INC. insider acquisitions
Company CIK 0001253689 · Reported insider acquisitions and filing context.
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.
No records are loaded for this 90-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.
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 date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Pinkas Jan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Pinkas Jan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Pinkas Jan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Doughty Christopher Grant | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Doughty Christopher Grant | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Doughty Christopher Grant | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Brumm Joshua T | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Brumm Joshua T | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Brumm Joshua T | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Scalzo Richard William | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Scalzo Richard William | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Scalzo Richard William | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | McNeill Jonathan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | McNeill Jonathan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | McNeill Jonathan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Im Ellie Eunkyung | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Im Ellie Eunkyung | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Im Ellie Eunkyung | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Lynch Ryan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Lynch Ryan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Lynch Ryan | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Bispham Barbara Harlin | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Bispham Barbara Harlin | Stock award |
| Dec 15, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Bispham Barbara Harlin | Stock award |
| Dec 8, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | McNeill Jonathan | Stock award |
| Dec 8, 2025 | CRESCENT BIOPHARMA, INC.Stock Option (Right to Buy) | Brumm Joshua T | Stock award |
| Dec 4, 2025 | CRESCENT BIOPHARMA, INC.Pre-Funded Warrant (Right to Buy) | Harwin Peter Evan · Fairmount Healthcare Fund II L.P. · Fairmount Funds Management LLC · Kiselak Tomas | Purchase |
| Dec 4, 2025 | CRESCENT BIOPHARMA, INC.Ordinary Shares | Harwin Peter Evan · Fairmount Healthcare Fund II L.P. · Fairmount Funds Management LLC · Kiselak Tomas | Purchase |
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.
| Filed / transacted | Reporting owners | Type / security | Quantity | Price / reference value | Details |
|---|---|---|---|---|---|
| Trade: | Pinkas JanChief Scientific Officer | Stock awardStock Option (Right to Buy)Derivative security · Code A | 70,025 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Pinkas JanChief Scientific Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 5,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Pinkas JanChief Scientific Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 17,507 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Doughty Christopher GrantChief Business Officer | Stock awardStock Option (Right to Buy)Derivative security · Code A | 58,855 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Doughty Christopher GrantChief Business Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 8,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Doughty Christopher GrantChief Business Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 14,714 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Brumm Joshua TChief Executive Officer · Director | Stock awardStock Option (Right to Buy)Derivative security · Code A | 180,467 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Brumm Joshua TChief Executive Officer · Director | Stock awardOrdinary SharesNon-derivative security · Code A | 10,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Brumm Joshua TChief Executive Officer · Director | Stock awardOrdinary SharesNon-derivative security · Code A | 45,117 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Scalzo Richard WilliamChief Financial Officer | Stock awardStock Option (Right to Buy)Derivative security · Code A | 57,688 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Scalzo Richard WilliamChief Financial Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 5,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Scalzo Richard WilliamChief Financial Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 14,422 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McNeill JonathanPresident and COO | Stock awardStock Option (Right to Buy)Derivative security · Code A | 78,029 | 0Value: 0Currency not specified | View ↗ |
| Trade: | McNeill JonathanPresident and COO | Stock awardOrdinary SharesNon-derivative security · Code A | 6,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McNeill JonathanPresident and COO | Stock awardOrdinary SharesNon-derivative security · Code A | 19,507 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Im Ellie EunkyungChief Medical Officer | Stock awardStock Option (Right to Buy)Derivative security · Code A | 65,190 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Im Ellie EunkyungChief Medical Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 5,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Im Ellie EunkyungChief Medical Officer | Stock awardOrdinary SharesNon-derivative security · Code A | 16,298 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch RyanSee Remarks | Stock awardStock Option (Right to Buy)Derivative security · Code A | 33,512 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Lynch RyanSee Remarks | Stock awardOrdinary SharesNon-derivative security · Code A | 4,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Lynch RyanSee Remarks | Stock awardOrdinary SharesNon-derivative security · Code A | 8,378 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Bispham Barbara HarlinSee Remarks | Stock awardStock Option (Right to Buy)Derivative security · Code A | 72,185 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Bispham Barbara HarlinSee Remarks | Stock awardOrdinary SharesNon-derivative security · Code A | 6,000 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | Bispham Barbara HarlinSee Remarks | Stock awardOrdinary SharesNon-derivative security · Code A | 12,422 | Not reported *Value: Not reportedCurrency not specified | View ↗ |
| Trade: | McNeill JonathanPresident and COO | Stock awardStock Option (Right to Buy)Derivative security · Code A | 172,836 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Brumm Joshua TChief Executive Officer · Director | Stock awardStock Option (Right to Buy)Derivative security · Code A | 345,672 | 0Value: 0Currency not specified | View ↗ |
| Trade: | Harwin Peter EvanDirector · 10% owner Fairmount Healthcare Fund II L.P.Director · 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 P | 131,434 | 13.409Value: 1,762,398.506Currency not specified | View ↗ |
| Trade: | Harwin Peter EvanDirector · 10% owner Fairmount Healthcare Fund II L.P.Director · 10% owner Fairmount Funds Management LLCDirector · 10% owner Kiselak TomasDirector · 10% owner Joint filing · amounts unallocated | PurchaseOrdinary SharesNon-derivative security · Code P | 1,360,000 | 13.41Value: 18,237,600Currency not specified | View ↗ |
28 transactions on this page. Filing date, newest first.
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 →