PETERS WILLIAM J

Reported to SECin USFilings at 1 company

No score on this page, by design. These filings come from the American register (SEC). We show them as facts, with what the share price did since each filing and since each trade; our scores, percentiles and signals run on the Dutch register only, because that is the only register the model has been validated on.

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Filings

Most recent filing first. Reported is the day the filing reached the regulator, usually a few days after the trade itself.

4
Reported insider transactions
CompanyTypeValueReportedCompanyValueTypeSharesReported
Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASUREROpen-market sell$103,4754,139 sharesSep 23, 2026Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASURER$103,475Sell · Sep 23Open-market sell4,139Sep 23, 2026
Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASUREROption exercisenothing paid5,053 sharesAug 11, 2026Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASURERnothing paidExercise · Aug 11Option exercise5,053Aug 11, 2026
Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASUREROpen-market sell$183,8868,180 sharesAug 11, 2026Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASURER$183,886Sell · Aug 11Open-market sell8,180Aug 11, 2026
Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASUREROption exercise$99,9995,053 sharesAug 11, 2026Amphastar Pharmaceuticals, Inc.CFO, EVP & TREASURER$99,999Exercise · Aug 11Option exercise5,053Aug 11, 2026