The Market LogEnter at least 2 characters. Company and ticker searches are not case-sensitive.

Reporting owner

Tananbaum James B.

Reporting owner CIK 0001581754 · Director · 10% owner

View SEC filings ↗

These transactions appear in filings associated with this reporting owner. Jointly reported quantities and amounts are unallocated; they are not this owner's individual purchases or total holdings. Names and roles reflect the relevant filing, and a reporting owner may be a person or an organization.

Reset

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.Tananbaum James B.Tananbaum James B.Tananbaum James B. · November 21, 2025 · Purchase · Common StockTananbaum James B. · November 19, 2025 · Purchase · Common StockTananbaum James B. · November 18, 2025 · Purchase · Common StockTananbaum James B. · November 17, 2025 · Purchase · Common StockTananbaum James B. · November 17, 2025 · Purchase · Common StockNov 17, 2025Nov 21, 2025
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

5 dated transactions · 1 of 1 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Nov 21, 2025ALUMIS INC.Common StockTananbaum James B.Purchase
Nov 19, 2025ALUMIS INC.Common StockTananbaum James B.Purchase
Nov 18, 2025ALUMIS INC.Common StockTananbaum James B.Purchase
Nov 17, 2025ALUMIS INC.Common StockTananbaum James B.Purchase
Nov 17, 2025ALUMIS INC.Common StockTananbaum James B.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.

Transactions in associated filings

Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedCompanyReporting ownersType / securityQuantityPrice / reference valueDetails
Trade: ALUMIS INC.ALMS · company listings
Tananbaum James B.Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P72,2127.38Value: 532,924.56Currency not specifiedView ↗
Trade: ALUMIS INC.ALMS · company listings
Tananbaum James B.Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P190,5006.56Value: 1,249,680Currency not specifiedView ↗
Trade: ALUMIS INC.ALMS · company listings
Tananbaum James B.Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P117,3746.19Value: 726,545.06Currency not specifiedView ↗
Trade: ALUMIS INC.ALMS · company listings
Tananbaum James B.Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P150,0005.59Value: 838,500Currency not specifiedView ↗
Trade: ALUMIS INC.ALMS · company listings
Tananbaum James B.Director · 10% owner
PurchaseCommon StockNon-derivative security · Code P50,0005.6Value: 280,000Currency not specifiedView ↗