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Antiva Biosciences, Inc.

Updated Oct 27, 2026·Latest SEC filing Oct 11, 2024·Suggest an edit

About Antiva Biosciences

Antiva Biosciences is a private company based in Redwood City, California. It has reported $96,794,613 raised in eight offerings on Form D since March 2013. Its chief executive is Kristine Ball.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Apr 24, 2023May 5, 2023amended Oct 11, 2024$38,535,985of $52.9M target21$1.8MEquity, Options, Securities on exerciseRule 506(b)Form D/A ↗1 earlier filing
Oct 25, 2021Nov 3, 2021$15,639,364of $31.0M target20$781KEquityRule 506(b)Form D ↗
Jul 6, 2018Jul 19, 2018$15,000,000fully sold8$1.8MEquity, Securities on exerciseRule 506(b)Form D ↗
Feb 15, 2017Apr 5, 2017amended Aug 28, 2017$14,740,756of $25.9M target15$982KEquity, Securities on exerciseRule 506(b)Form D/A ↗1 earlier filing
May 27, 2015Jun 11, 2015$8,907,483of $15.9M target26$342KEquityRule 506(b)Form D ↗
Dec 8, 2014Dec 23, 2014$1,745,019of $2.5M target19$91,843EquityRule 506(b)Form D ↗
Jun 24, 2014Jul 10, 2014$1,100,000of $1.3M target14$78,571DebtRule 506(b)Form D ↗
Feb 26, 2013Mar 6, 2013amended Sep 5, 2013$1,126,006fully sold18$62,556Equity06Form D/A ↗1 earlier filing
Total, eight offerings$96,794,613

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on Antiva Biosciences's Form D filed Oct 11, 2024.

CS
BR
FS
GM
Gail Maderis
Director
KB
Kristine Ball
Chief Executive Officer and director
EC
Elaine Chien
Executive officer
BG
Brian Goodman
Director
Also an executive officer at Vida Ventures.
WH
Wende Hutton
Director
SW
Sarah Walter
Executive officer
RG
Raju Gadiraju
Executive officer

Earlier filings also listed Vinzenz Ploerer (director, last listed Nov 2021), Steven James (director, last listed Nov 2021), Oranee Daniels (executive officer, last listed Nov 2021), Jenny Yip (director, last listed Nov 2021), David Kabakoff (director, last listed Nov 2021), Benjamin Rovinski (director, last listed Nov 2021), Ting Jia (director, last listed Jul 2018) and Raju Gadiraju, Ph.D. (executive officer, last listed Jul 2018).

Sources

  1. SECAntiva Biosciences, Inc. Form D, filed May 5, 2023
  2. SECAntiva Biosciences, Inc. Form D, filed Apr 5, 2017
  3. SECAntiva Biosciences, Inc. Form D, filed Mar 6, 2013
  4. SECAntiva Biosciences, Inc. filing history