Company profile
Praxis Precision Medicines, Inc. insider acquisitions
Company CIK 0001689548 · Reported insider acquisitions and filing context.
PRAX · 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
23 dated transactions · 6 of 6 reporting owners shown. Select one owner to focus the chart.
View timeline as a table
| Transaction date | Company / security | Reporting owners | Acquisition type |
|---|---|---|---|
| Nov 14, 2025 | Praxis Precision Medicines, Inc.Common Stock | Kelly Timothy Edwin | Stock award |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Nemiroff Alex | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Nemiroff Alex | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Nemiroff Alex | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Nemiroff Alex | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Nemiroff Alex | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Nov 20, 2025 | Praxis Precision Medicines, Inc.Common Stock | Mastrocola Lauren | Exercise / conversion |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
| Oct 16, 2025 | Praxis Precision Medicines, Inc.Common Stock, $0.0001 par value per share ("Common Stock") | Atchinson Robert · Gross Phillip · Adage Capital Management, L.P. | Other acquisition |
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.
PRAX · 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: | Kelly Timothy EdwinChief Financial Officer | Stock awardCommon StockNon-derivative security · Code A | 384 | 31.62Value: 12,142.08Currency not specified | View ↗ |
| Trade: | Nemiroff AlexGeneral Counsel and Secretary | Exercise / conversionCommon StockNon-derivative security · Code M | 9,100 | 56.94Value: 518,154Currency not specified | View ↗ |
| Trade: | Nemiroff AlexGeneral Counsel and Secretary | Exercise / conversionCommon StockNon-derivative security · Code M | 5,652 | 44.4Value: 250,948.8Currency not specified | View ↗ |
| Trade: | Nemiroff AlexGeneral Counsel and Secretary | Exercise / conversionCommon StockNon-derivative security · Code M | 2,434 | 44.4Value: 108,069.6Currency not specified | View ↗ |
| Trade: | Nemiroff AlexGeneral Counsel and Secretary | Exercise / conversionCommon StockNon-derivative security · Code M | 6,230 | 133.65Value: 832,639.5Currency not specified | View ↗ |
| Trade: | Nemiroff AlexGeneral Counsel and Secretary | Exercise / conversionCommon StockNon-derivative security · Code M | 1,714 | 83.85Value: 143,718.9Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 5,250 | 56.94Value: 298,935Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 2,351 | 44.4Value: 104,384.4Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 207 | 44.4Value: 9,190.8Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 2,680 | 43.37Value: 116,231.6Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 1,557 | 133.65Value: 208,093.05Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 508 | 83.85Value: 42,595.8Currency not specified | View ↗ |
| Trade: | Mastrocola LaurenPrincipal Accounting Officer | Exercise / conversionCommon StockNon-derivative security · Code M | 1,047 | 49.5Value: 51,826.5Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 19,198 | 140 *Value: 2,687,720Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 308 | 132.1914 *Value: 40,714.9512Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 487 | 131.6385 *Value: 64,107.9495Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 1,661 | 130.0964 *Value: 216,090.1204Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 250,000 | 104.3095 *Value: 26,077,375Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 27,287 | 101Value: 2,755,987Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 559 | 100.1093 *Value: 55,961.0987Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 1,363 | 92.033 *Value: 125,440.979Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon StockNon-derivative security · Code S | 447 | 91.0402 *Value: 40,694.9694Currency not specified | View ↗ |
| Trade: | Atchinson Robert10% owner Gross Phillip10% owner Adage Capital Management, L.P.10% owner Joint filing · amounts unallocated | Other acquisitionCommon Stock, $0.0001 par value per share ("Common Stock")Non-derivative security · Code S | 12,600 | 90.0025 *Value: 1,134,031.5Currency not specified | View ↗ |
23 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 →