Peter W. Sonsini Insider Trading

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General | Insider Transactions | Monthly Overview

Get the latest insider transactions of Peter W. Sonsini. Peter W. Sonsini is a 10% Owner in ARCA biopharma, Inc. ($ABIO) and a 10% Owner in INTERLEUKIN GENETICS INC ($ILIU) and a 10% Owner in Achaogen Inc ($AKAO) and a 10% Owner in AVEO PHARMACEUTICALS INC ($AVEO) and a 10% Owner in MULESOFT, INC ($MULE) and a 10% Owner in Tracon Pharmaceuticals, Inc. ($TCON) and a 10% Owner in Cascadian Therapeutics, Inc. ($CASC) and a 10% Owner in ARDELYX, INC. ($ARDX) and a 10% Owner in APPIAN CORP ($APPN) and a 10% Owner in Mersana Therapeutics, Inc. ($MRSN) and a 10% Owner in GENOCEA BIOSCIENCES, INC. ($GNCA) and a 10% Owner in Regulus Therapeutics Inc. ($RGLS) and a 10% Owner in Mirna Therapeutics, Inc. ($MIRN) and a 10% Owner in Cerecor Inc. ($CERC) and a 10% Owner in Trevi Therapeutics, Inc. ($TRVI) and a 10% Owner in Loxo Oncology, Inc. ($LOXO) and a 10% Owner in Adaptimmune Therapeutics PLC ($ADAP) and a 10% Owner in Surface Oncology, Inc. ($SURF).

Over the past year Peter W. Sonsini has been an insider in 5 companies. The total value of shares held by Peter W. Sonsini in these companies amounts to $426,753,358.

Peter W. Sonsini 10% Owner
Achaogen, Inc.
10% Owner
Adaptimmune Therapeutics PLC
10% Owner
APPIAN CORP
10% Owner
ARCA biopharma, Inc.
10% Owner
ARDELYX, INC.
10% Owner
AVEO PHARMACEUTICALS INC
10% Owner
Cascadian Therapeutics, Inc.
10% Owner
Cerecor Inc.
10% Owner
GENOCEA BIOSCIENCES, INC.
10% Owner
INTERLEUKIN GENETICS INC
10% Owner
Loxo Oncology, Inc.
10% Owner
Mersana Therapeutics, Inc.
10% Owner
MULESOFT, INC
10% Owner
Regulus Therapeutics Inc.
10% Owner
Surface Oncology, Inc.
10% Owner
SYNLOGIC, INC.
10% Owner
Tracon Pharmaceuticals, Inc.
10% Owner
Trevi Therapeutics, Inc.
$ 426753358 The total value of shares held by Peter W. Sonsini
Insider Rank

Peter W. Sonsini ranks 182 out of 350,000 insiders. Go to Insider Ranking to see more.

Address: 2855 SAND HILL ROAD MENLO PARK 94025 CA

Companies in which Peter W. Sonsini is an Insider

Achaogen, Inc.

Trading Symbol: AKAO
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 5,215,128 shares
Current Value: $98,305,163
Latest Transaction: Dec 19 2016
$AKAO Market Capitalization: $541.33M
$AKAO Previous Close: $18.85

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 2x
Sell: 0x
Shares Bought: 1,000,000
Shares Sold: 0
Share Difference: +1,000,000
Value Difference: -$13,500,000

Adaptimmune Therapeutics PLC

Trading Symbol: ADAP
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Peter W. Sonsini: 10% Owner
Holdings: 82,978,668 shares
Current Value: $375,893,366
Latest Transaction: Sep 10 2018
$ADAP Market Capitalization: $321.36M
$ADAP Previous Close: $4.53

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 8x
Sell: 0x
Shares Bought: 35,709,672
Shares Sold: 0
Share Difference: +35,709,672
Value Difference: -$49,015,100

APPIAN CORP

Trading Symbol: APPN
Industry: SERVICES-PREPACKAGED SOFTWARE [7372]
Position of Peter W. Sonsini: 10% Owner
Holdings: 2,724,202 shares
Latest Transaction: Feb 15 2018

Last 4 weeks trend: BUY
Last 3 months trend: BUY View transactions

Last 3 Months Overview:
Buy: 7x
Sell: 5x
Shares Bought: 6,156,216
Shares Sold: 6,155,201
Share Difference: +1,015
Value Difference: +$66,073,750

ARCA biopharma, Inc.

Trading Symbol: ABIO
Industry: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
Position of Peter W. Sonsini: 10% Owner
Holdings: 0 shares
Current Value: $0
Latest Transaction: Feb 27 2018
$ABIO Market Capitalization: $23.40M
$ABIO Previous Close: $2.60

Last 4 weeks trend: STRONG SELL
Last 3 months trend: STRONG SELL View transactions

Last 3 Months Overview:
Buy: 0x
Sell: 2x
Shares Bought: 0
Shares Sold: 2,920,418
Share Difference: -2,920,418
Value Difference: +$1,462,545

ARDELYX, INC.

Trading Symbol: ARDX
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 3,082,186 shares
Current Value: $34,058,155
Latest Transaction: May 30 2018
$ARDX Market Capitalization: $529.77M
$ARDX Previous Close: $11.05

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 6x
Sell: 0x
Shares Bought: 3,887,935
Shares Sold: 0
Share Difference: +3,887,935
Value Difference: -$30,000,008

AVEO PHARMACEUTICALS INC

Trading Symbol: AVEO
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 25,243,865 shares
Current Value: $15,398,758
Latest Transaction: Apr 08 2019
$AVEO Market Capitalization: $45.51M
$AVEO Previous Close: $0.61

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 30x
Sell: 0x
Shares Bought: 15,301,771
Shares Sold: 0
Share Difference: +15,301,771
Value Difference: -$17,949,339

Cascadian Therapeutics, Inc.

Trading Symbol: CASC
Industry: SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
Position of Peter W. Sonsini: 10% Owner
Holdings: 0 shares
Latest Transaction: Mar 13 2018

Last 4 weeks trend: STRONG SELL
Last 3 months trend: STRONG SELL View transactions

Last 3 Months Overview:
Buy: 1x
Sell: 1x
Shares Bought: 1,818,000
Shares Sold: 10,882,574
Share Difference: -9,064,574
Value Difference: -$5,999,400

Cerecor Inc.

Trading Symbol: CERC
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 594,245 shares
Current Value: $493,223
Latest Transaction: Oct 20 2015
$CERC Market Capitalization: $7.38M
$CERC Previous Close: $0.83

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

GENOCEA BIOSCIENCES, INC.

Trading Symbol: GNCA
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Peter W. Sonsini: 10% Owner
Holdings: 7,225,676 shares
Current Value: $32,587,799
Latest Transaction: Jun 25 2019
$GNCA Market Capitalization: $129.13M
$GNCA Previous Close: $4.51

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 3x
Sell: 0x
Shares Bought: 15,662,553
Shares Sold: 0
Share Difference: +15,662,553
Value Difference: -$24,688,613

INTERLEUKIN GENETICS INC

Trading Symbol: ILIU
Industry: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
Position of Peter W. Sonsini: 10% Owner
Holdings: 55,418,811 shares
Current Value: $5,541,881
Latest Transaction: Aug 02 2016
$ILIU Market Capitalization: $22.11M
$ILIU Previous Close: $0.10

Last 4 weeks trend: BUY
Last 3 months trend: BUY View transactions

Last 3 Months Overview:
Buy: 1x
Sell: 0x
Shares Bought: 20,120,724
Shares Sold: 0
Share Difference: +20,120,724
Value Difference: -$2,000,000

Loxo Oncology, Inc.

Trading Symbol: LOXO
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 1,789,420 shares
Current Value: $71,039,974
Latest Transaction: Aug 06 2014
$LOXO Market Capitalization: $860.18M
$LOXO Previous Close: $39.70

Last 4 weeks trend: HOLD
Last 3 months trend: HOLD View transactions

Mersana Therapeutics, Inc.

Trading Symbol: MRSN
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 7,140,138 shares
Latest Transaction: Jul 06 2017

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 2x
Sell: 0x
Shares Bought: 8,140,138
Shares Sold: 0
Share Difference: +8,140,138
Value Difference: -$15,000,000

MULESOFT, INC

Trading Symbol: MULE
Industry: SERVICES-PREPACKAGED SOFTWARE [7372]
Position of Peter W. Sonsini: 10% Owner
Holdings: 12,679,970 shares
Latest Transaction: May 09 2018

Last 4 weeks trend: SELL
Last 3 months trend: SELL View transactions

Last 3 Months Overview:
Buy: 6x
Sell: 6x
Shares Bought: 31,910,994
Shares Sold: 32,231,774
Share Difference: -320,780
Value Difference: $0

Regulus Therapeutics Inc.

Trading Symbol: RGLS
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 2,052,454 shares
Current Value: $2,873,436
Latest Transaction: May 09 2019
$RGLS Market Capitalization: $72.77M
$RGLS Previous Close: $1.40

Last 4 weeks trend: BUY
Last 3 months trend: BUY View transactions

Last 3 Months Overview:
Buy: 1x
Sell: 0x
Shares Bought: 1,136,704
Shares Sold: 0
Share Difference: +1,136,704
Value Difference: -$1,227,640

Surface Oncology, Inc.

Trading Symbol: SURF
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Peter W. Sonsini: 10% Owner
Holdings: 3,179,544 shares
Latest Transaction: Apr 23 2018

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 4x
Sell: 0x
Shares Bought: 6,625,754
Shares Sold: 0
Share Difference: +6,625,754
Value Difference: -$3,999,990

SYNLOGIC, INC.

Trading Symbol: SYBX
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 4,228,940 shares
Current Value: $9,303,668
Latest Transaction: Jan 26 2018
$SYBX Market Capitalization: $45.84M
$SYBX Previous Close: $2.20

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 2x
Sell: 0x
Shares Bought: 3,804,439
Shares Sold: 0
Share Difference: +3,804,439
Value Difference: -$3,997,500

Tracon Pharmaceuticals, Inc.

Trading Symbol: TCON
Industry: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
Position of Peter W. Sonsini: 10% Owner
Holdings: 3,466,003 shares
Current Value: $17,156,715
Latest Transaction: Mar 27 2018
$TCON Market Capitalization: $64.02M
$TCON Previous Close: $4.95

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 2x
Sell: 0x
Shares Bought: 1,577,529
Shares Sold: 0
Share Difference: +1,577,529
Value Difference: -$6,911,502

Trevi Therapeutics, Inc.

Trading Symbol: TRVI
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Peter W. Sonsini: 10% Owner
Holdings: 1,938,562 shares
Latest Transaction: May 13 2019

Last 4 weeks trend: STRONG BUY
Last 3 months trend: STRONG BUY View transactions

Last 3 Months Overview:
Buy: 3x
Sell: 0x
Shares Bought: 4,438,562
Shares Sold: 0
Share Difference: +4,438,562
Value Difference: -$25,000,000

Latest Insider Trading Transactions of Peter W. Sonsini

Sentiment: All, AKAO, ADAP, APPN, ABIO, ARDX, AVEO, CASC, CERC, GNCA, ILIU, LOXO, MRSN, MULE, RGLS, SURF, SYBX, TCON, TRVI

DateTickerCompanyOwnerRelationship Transaction Code Cost ($) Shares Transaction Value ($) Total Shares % Holdings
Jun 25 2019GNCAGENOCEA BIOSCIENCE ...Sonsini Peter W.10% OwnerBuyP3.502,857,1429,999,9977,225,6764.4 M to 7.2 M (+65.40 %)
Jun 25 2019GNCAGENOCEA BIOSCIENCE ...Sonsini Peter W.10% OwnerBuyP3.502,857,1429,999,9977,225,6764.4 M to 7.2 M (+65.40 %)
May 13 2019TRVITrevi Therapeutics ...Sonsini Peter W.10% OwnerOption ExerciseC0.0017,099,31500
May 13 2019TRVITrevi Therapeutics ...Sonsini Peter W.10% OwnerBuyP10.001,500,00015,000,0004,438,5622.9 M to 4.4 M (+51.05 %)
May 13 2019TRVITrevi Therapeutics ...Sonsini Peter W.10% OwnerBuyP10.001,000,00010,000,0002,938,5621.9 M to 2.9 M (+51.58 %)
May 13 2019TRVITrevi Therapeutics ...Sonsini Peter W.10% OwnerBuyC0.001,938,56201,938,5620 to 1.9 M
May 09 2019RGLSRegulus Therapeuti ...Sonsini Peter W.10% OwnerOption ExerciseP0.00256,7000256,700

View all Peter W. Sonsini insider transactions.