Alta Partners VIII, L.P.'s Net Worth

$39.5 Million

Estimate Recalculated Sep 15, 2025 08:39PM EST

Who is Alta Partners VIII, L.P.

Alta Partners VIII, L.P. has an estimated net worth of $39.5 Million. This is based on reported shares across multiple companies, which include IMMUNE DESIGN CORP., ANESIVA, INC., ZS Pharma, Inc., Allakos Inc., SUTRO BIOPHARMA INC, Esperion Therapeutics, Inc., TREVENA INC, APPLIED GENETIC TECHNOLOGIES CORP, aTYR PHARMA INC, Neothetics, Inc., and ATS MEDICAL INC.

SEC CIK

Alta Partners VIII, L.P.'s CIK is 0001399763

Past Insider Trading and Trends

2014 was Alta Partners VIII, L.P.'s most active year for acquiring shares with 8 total transactions. Alta Partners VIII, L.P.'s most active month to acquire stocks was the month of June. 2015 was Alta Partners VIII, L.P.'s most active year for disposing of shares, totalling 19 transactions. Alta Partners VIII, L.P.'s most active month to dispose stocks was the month of May. 2014 saw Alta Partners VIII, L.P. paying a total of $7,194,708.00 for 6,018,675 shares, this is the most they've acquired in one year. In 2015 Alta Partners VIII, L.P. cashed out on 17,055,314 shares for a total of $35,700,680.80, their largest year based on trade value.

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IMMUNE DESIGN CORP.

Investor
Updated Jul 31, 2014
Form 4
13.72%
299.56K
$12.00
Jul 31, 2014
2.48M
Purchase
Jul 29
Form 3
Jul 23, 2014
Showing 2 results

ANESIVA, INC.

Investor
Updated Jan 08, 2010
Form 4
-6.04%
-404.65K
$0.09
-$37.15K
Jan 08, 2010
6.29M
Sale
Jan 06
Form 3
Dec 19, 2007
6.70M
Showing 2 results

ZS Pharma, Inc.

Investor
Updated Jun 09, 2015
Form 4
-6.22%
-175.43K
$57.86
-$10.15M
Jun 09, 2015
2.65M
Sale
Jun 05 - Jun 08
Form 4
-3.80%
-111.60K
$57.30
-$6.39M
Jun 05, 2015
2.82M
Sale
Jun 03 - Jun 04
Form 4
-9.18%
-296.42K
$58.00
-$17.19M
Jun 02, 2015
2.93M
Sale
May 29 - Jun 02
Form 4
6.60%
200.00K
$18.00
Jun 25, 2014
3.23M
Purchase
Jun 23
Form 3
Jun 17, 2014
Showing 5 results

Allakos Inc.

Investor
Updated Aug 18, 2023
Form 4
-100.00%
-6.45M
Aug 18, 2023
Disposition
Aug 16
Form 4
-19.01%
-2.00M
Jan 06, 2021
8.52M
Disposition
Jan 04
Form 4
-8.32%
-958.55K
Jan 24, 2020
10.56M
Disposition
Jan 22
Form 4
2.22%
250.00K
$18.00
Jul 23, 2018
11.52M
Purchase
Jul 23
Form 3
Jul 18, 2018
Showing 5 results

SUTRO BIOPHARMA INC

Investor
Updated Oct 01, 2018
Form 4
-96.17%
-48.79M
Oct 01, 2018
1.94M
Options
Oct 01
Form 3
Sep 26, 2018
Showing 2 results

Esperion Therapeutics, Inc.

Investor
Updated Feb 20, 2015
Form 4
-33.00%
-842.22K
Feb 20, 2015
1.71M
Disposition
Feb 18
Form 4
24.36%
500.00K
$20.00
$10.00M
Oct 21, 2014
2.55M
Purchase
Oct 21
Form 4
-8.24%
-190.72K
$14.00
Jul 01, 2013
2.12M
Buy-Options
Jul 01
Form 3
Jun 25, 2013
Showing 4 results

TREVENA INC

Investor
Updated Dec 10, 2014
Form 4
12.85%
500.00K
$4.00
$2.00M
Dec 10, 2014
4.39M
Purchase
Dec 10
Form 4
-81.64%
-17.30M
$7.00
$3.31M
Feb 07, 2014
3.89M
Buy-Options
Feb 05
Form 3
Jan 30, 2014
Showing 3 results

APPLIED GENETIC TECHNOLOGIES CORP

Investor
Updated Nov 19, 2014
Form 4
-50.00%
-1.49M
Nov 19, 2014
1.49M
Disposition
Nov 17
Form 4
-96.99%
-96.02M
$12.00
Apr 01, 2014
2.98M
Buy-Options
Apr 01
Form 3
Mar 26, 2014
Showing 3 results

aTYR PHARMA INC

Investor
Updated May 14, 2015
Form 4
-87.57%
-12.52M
May 14, 2015
1.78M
Options
May 12
Form 3
May 06, 2015
Showing 2 results

Neothetics, Inc.

Investor
Updated Dec 30, 2015
Form 4
-37.33%
-797.99K
$1.51
-$1.20M
Dec 30, 2015
1.34M
Sale
Dec 28 - Dec 30
Form 4
-19.84%
-529.26K
$1.44
-$762.14K
Dec 17, 2015
2.14M
Sale
Dec 15
Form 4/A
3.74%
93.68K
$8.54
$799.99K
Dec 01, 2014
2.60M
Options
Nov 25
Form 4
-82.24%
-12.35M
$6.92
-$4.18M
Nov 25, 2014
2.67M
Sale
Nov 25
Form 3
Nov 19, 2014
3.93K
Showing 5 results

ATS MEDICAL INC

Investor
Updated Jun 30, 2008
Form 4
$1.65
Jun 30, 2008
11.76M
Acq/Dis
Jun 26
Form 3
Jul 02, 2007
9.80M
Showing 2 results