Updated: May 19, 2026

Derek A Bertocci

GHGuardant Health, Inc.SEC CIK: 0001206964
Estimated Net Worth
$18.5 Million
Last Updated: May 19, 2026 02:19 AM EST

Transaction Summary

Total Transactions46
Buy-Sell Ratio0.06
Buy Transactions1
Sell Transactions18

Transaction Volume

Total Volume-$18.21M
Net Volume$18.29M
Buy Volume$40.79K
Sell Volume-$18.25M

Trade Analysis

AVG Trade Size-$395.99K
Largest Trade$40.79K
Most Active MonthMay
Most Active Year2004

Trading Sentiment

OverallBullish
Recent TradeSelling
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Derek A Bertocci has an estimated net worth of $18.5 Million. This is based on reported shares across multiple companies, which include BIOFORM MEDICAL INC, Guardant Health, Inc., ACCURAY INC, Achaogen Inc, LASERSCOPE, and VISX INC.



2004 was Derek A Bertocci's most active year for acquiring shares with 20 total transactions. Derek A Bertocci's most active month to acquire stocks was the month of July. 2020 was Derek A Bertocci's most active year for disposing of shares, totalling 39 transactions. Derek A Bertocci's most active month to dispose stocks was the month of April. 2004 saw Derek A Bertocci paying a total of $490,436.03 for 126,444 shares, this is the most they've acquired in one year. In 2020 Derek A Bertocci cashed out on 155,445 shares for a total of $10,187,805.56, their largest year based on trade value.

Holdings & Transactions

GHguardant health, inc.
Chief Financial Officer Officer
Updated: Sep 03, 2020VIEW QUOTE
Form TypeSEC Filing
-0.8330.10K$93.94-$2.83M6.37KScheduledSep 01View
-0.159.99K$49.61-$894.91K54.92KScheduledAug 24View
-0.4125.00K$87.76-$2.19M36.47KScheduledAug 17View
-0.01714.00$85.18-$60.82K61.47KAug 01View
-0.099.22K$50.56-$849.72K90.62KScheduledMay 22View
-0.2722.77K$92.44-$2.11M62.19KScheduledMay 08 - 11View
-0.1419.21K$32.67-$1.08M122.62KScheduledMar 23 - 24View
-0.1525.48K$42.70-$1.88M141.84KScheduledNov 18View
-0.2542.55K$51.82-$4.15M130.43KScheduledAug 19View
0.2523.20K117.40KAug 01View
-0.1018.56K$39.96-$1.35M165.89KScheduledMay 10View
From 3/A92.88KView
37.78KView
achaogen inc
SVP and CFO Officer
Updated: Mar 11, 2014
Form TypeSEC Filing
View
ARAYaccuray inc
SVP CFO Officer
Updated: Jun 03, 2013VIEW QUOTE
Form TypeSEC Filing
0.032.50K$4.57$11.43K87.03KMay 31View
0.032.42K$5.24$12.69K84.53KNov 30View
1.1759.20K109.71KOct 31View
0.052.50K$3.43$8.56K50.51KMay 31View
0.2610.00K$4.08$40.79K48.01KDec 12 - 13View
0.062.21K$3.41$7.53K38.01KNov 30View
2.4757.50K80.80KSep 30View
0.122.50K$5.14$12.86K23.30KMay 31View
0.142.50K$5.06$12.64K20.80KNov 30View
10.6653.30K58.30KAug 31View
1.002.50K$4.65$11.62K5.00KMay 28View
2.50K$4.39$10.99K2.50KNov 30View
65.00K65.00KAug 31View
275.00K275.00KFeb 27View
View
bioform medical inc
CFO Officer
Updated: Jul 11, 2008
Form TypeSEC Filing
-0.50100.00K100.00KJul 09View
View
laserscope
VP Finance & CFO Officer
Updated: Jul 24, 2006
Form TypeSEC Filing
-1.001.35K$31.00-$41.76KJul 20View
View
visx inc
Senior Vice President & CFO Officer
Updated: Jun 01, 2005
Form TypeSEC Filing
-1.00361.44KMay 27View
-0.115.00K$11.75-$62.48K40.10KScheduledNov 09View
-0.115.00K$14.14-$61.58K41.78KScheduledSep 29View
-0.105.00K$13.90-$62.63K45.12KScheduledAug 30View
-0.095.00K$14.43-$64.02K49.28KScheduledJul 29View
-0.145.00K$15.83-$101.72K30.16KScheduledJul 01View
-0.125.00K$16.03-$103.72K35.16KScheduledJun 30View
-0.2120.00K$18.35-$306.04K75.16KScheduledJun 25View
-0.103.56K$14.76-$80.63K31.82KScheduledMay 28 - 02View
-0.125.00K$15.10-$78.03K35.37KScheduledApr 29View
65.00K65.00KFeb 11View
0.051.32K$7.60$10.00K27.06KNov 28View
View