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Company profile

Zenas BioPharma, Inc. insider acquisitions

Company CIK 0001953926 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
ZBIO · 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 22, 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.Nunn Jason RaleighNunn Jason RaleighGeorge SimeonGeorge SimeonSR ONE CAPITAL MANAGEMENT, LLCSR ONE CAPITAL MANAGEMENT…ENRIGHT PATRICK GENRIGHT PATRICK GNunn Jason Raleigh · October 9, 2025 · Purchase · Common StockGeorge Simeon · October 9, 2025 · Purchase · Common StockSR ONE CAPITAL MANAGEMENT, LLC · October 9, 2025 · Purchase · Common StockGeorge Simeon · October 9, 2025 · Purchase · Common StockSR ONE CAPITAL MANAGEMENT, LLC · October 9, 2025 · Purchase · Common StockENRIGHT PATRICK G · October 9, 2025 · Purchase · Common StockENRIGHT PATRICK G · October 9, 2025 · Purchase · Common StockOct 9, 2025Oct 9, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

5 dated transactions · 4 of 4 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Oct 9, 2025Zenas BioPharma, Inc.Common StockNunn Jason RaleighPurchase
Oct 9, 2025Zenas BioPharma, Inc.Common StockGeorge Simeon · SR ONE CAPITAL MANAGEMENT, LLCPurchase
Oct 9, 2025Zenas BioPharma, Inc.Common StockGeorge Simeon · SR ONE CAPITAL MANAGEMENT, LLCPurchase
Oct 9, 2025Zenas BioPharma, Inc.Common StockENRIGHT PATRICK GPurchase
Oct 9, 2025Zenas BioPharma, Inc.Common StockENRIGHT PATRICK GPurchase

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.

ZBIO · 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: PurchaseCommon StockNon-derivative security · Code P63,15819Value: 1,200,002Currency not specifiedView ↗
Trade:
George Simeon10% owner
SR ONE CAPITAL MANAGEMENT, LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P63,15719Value: 1,199,983Currency not specifiedView ↗
Trade:
George Simeon10% owner
SR ONE CAPITAL MANAGEMENT, LLC10% owner
Joint filing · amounts unallocated		PurchaseCommon StockNon-derivative security · Code P63,15819Value: 1,200,002Currency not specifiedView ↗
Trade: PurchaseCommon StockNon-derivative security · Code P11,99020.85 *Value: 249,991.5Currency not specifiedView ↗
Trade: PurchaseCommon StockNon-derivative security · Code P105,26519 *Value: 2,000,035Currency 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 →