Form4insider filings, from the source

SEC Form 4 · accession 0000899243-17-018090

AILERON THERAPEUTICS INC · ALRN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Jul 5, 2017
Accepted (ET)
Jul 7, 2017 · 7:13 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001420565

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1,F2Jul 5, 2017C443,973—A443,973ISee Footnote
Common StockF1,F3Jul 5, 2017C48,656—A492,629ISee Footnote
Common StockF2Jul 5, 2017P24,929$15.00A517,558ISee Footnote

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Series E-3 Preferred StockF2,F1—Jul 5, 2017C4,411,765D——Common Stock443,9730I
Series F Preferred StockF3,F1—Jul 5, 2017C483,501D——Common Stock48,6560I

Explanation of responses