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Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Latest filing published 01 Jul 2026 for Akebia Therapeutics, Inc..
Filing timeline
BuySaleErik Ostrowski
Insider track record
Disclosed buys
0
Disclosed sells
3
Signal history
Erik Ostrowski: trading record in brief
Erik Ostrowski has filed trades across 2 companies (mainly through SEC (Form 4)), most often in Akebia Therapeutics, Inc. and Tectonic Therapeutic, Inc. We count 9 filings; the first trade dates from 2 January 2019 and the latest from 29 June 2026.
On the market, this insider has only sold: 3 sales, €224k in total. Besides market trades, the filings include 5 share grants and 1 option exercise. 2026 to date brings no purchases and 2 sales.
The latest filing, published on 1 July 2026, reports an open-market sale of €54k in Akebia Therapeutics, Inc. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Erik Ostrowski
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations7 total
56,019 sharesCommon StockSEC:0001762507-26-000004:0
34,951 shares@ US$1.3918.3% of flowCommon StockSEC:0001762507-26-000002:0
204,000 shares0Common StockSEC:0001762507-26-000001:0
41,314 shares@ US$3.6757.4% of flowCommon StockSEC:0001562180-25-005201:0
194,900 shares0Common StockSEC:0001562180-25-000913:0
350,000 shares0Common StockSEC:0001562180-24-005516:0
40,084 shares0Common StockSEC:0001127602-24-003477:0
7 of 7 declarations
