Form4insider filings, from the source

SEC Form 4 · accession 0001012975-19-000198

Sienna Biopharmaceuticals, Inc. · SNNA

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

Reporting owners
Robert Nelsen
10% Owner
Clinton Bybee
10% Owner
Period of report
Feb 22, 2019
Accepted (ET)
Feb 26, 2019 · 9:06 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001656328

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1,F2Feb 22, 2019P150,000$2.50A2,900,575ISee footnote
Common StockF1,F2Feb 22, 2019P150,000$2.50A1,032,493ISee footnote
Common StockF1,F3Feb 22, 2019P1,865,800$2.50A1,865,800ISee footnote

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

Remarks

The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act. Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, ARCH Venture Fund X Overage, L.P., ARCH Venture Partners X Overage, L.P., ARCH Venture Partners X Overage, LLC and certain other affiliates of the Reporting Persons have filed a separate Form 4, in which the direct and indirect transactions of ARCH Venture Fund VIII Overage, L.P., ARCH Venture Fund VIII, L.P., ARCH Venture Partners VIII, L.P., ARCH Venture Partners VIII, LLC are also reported, in addition to being reported on this Form 4.