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GLAUKOS Corp

GKOS Net selling
CIK 0001192448 #891 in the set updated 21 Sep 2026
Bought (120 mo)
$50.06K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$409.68M
$3.01M on a plan · $189.37M straight out of an exercise
Sold at will
$217.31M
116 of 358 sales
Net
−$409.63M
−$217.26M against sales at will

By person

16 insiders · 375 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Burns Thomas William
CHAIRMAN & CEO
—
$99.00M (65) scheduled
−$99.00M
1,210,560
2.05%
$208.22M
+436.0%
ORBIMED ADVISORS LLC entity
Director
—
$81.55M (40)
−$81.55M
0
0.0000%
$0.00
−100.0%
SILVERSTEIN JONATHAN
Director
—
$81.55M (40)
−$81.55M
0
0.0000%
$0.00
−100.0%
Gilliam Joseph E
PRESIDENT & COO
$50.06K (1)
$54.75M (76) scheduled
−$54.70M
72,588
0.1231%
$12.49M
—
Kliman Gilbert H
Director
—
$38.31M (17)
−$38.31M
37,406
0.0634%
$6.43M
−98.8%
Calcaterra Chris M.
Chief Operating Officer
—
$17.60M (21) scheduled
−$17.60M
181,594
0.3079%
$31.23M
−24.3%
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
—
$10.97M (38) scheduled
−$10.97M
43,906
0.0744%
$7.55M
−8.7%
LINK WILLIAM J PHD
Director
—
$6.80M (6)
−$6.80M
58,300
0.0988%
$10.03M
−50.5%
Stapley Marc
Director
—
$5.20M (17) scheduled
−$5.20M
39,327
0.0667%
$6.76M
—
WEISNER AIMEE S
Director
—
$4.76M (5) scheduled
−$4.76M
50,189
0.0851%
$8.63M
+1,573%
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
—
$4.37M (25)
−$4.37M
72,433
0.1228%
$12.46M
+91.3%
Foley Mark J
Director
—
$2.92M (2) scheduled
−$2.92M
60,267
0.1022%
$10.37M
—
HARRISON RICHARD L
CFO & Treasurer
—
$1.56M (4) scheduled
−$1.56M
1,388
0.0024%
$238.74K
0.0%
WEN LEANA
Director
—
$331.70K (2)
−$331.70K
21,092
0.0358%
$3.63M
—
Hoffmeister David F
Director
—
—
—
49,549
0.0840%
$8.52M
—
Torres Denice
Director
—
—
—
24,212
0.0410%
$4.16M
—

Individual transactions

20
Insider
Date
Role
Action
Shares
Price
Amount
Navratil Tomas
28 Aug 2026
CHIEF DEVELOPMENT OFFICER
Sell
10
$182.50
$1.83K
Navratil Tomas
28 Aug 2026
CHIEF DEVELOPMENT OFFICER
Sell
6,091
$181.19
$1.10M
Navratil Tomas
28 Aug 2026
CHIEF DEVELOPMENT OFFICER
Sell
7,643
$180.25
$1.38M
WEN LEANA
31 Jul 2026
Director
Sell
525
$167.63
$88.01K
WEN LEANA
1 May 2026
Director
Sell
1,700
$143.35
$243.70K
Gilliam Joseph E
1 May 2026
PRESIDENT & COO
Sell
19,573
$143.54
$2.81M
Navratil Tomas
16 Mar 2026
CHIEF DEVELOPMENT OFFICER
Sell
272
$99.05
$26.94K
Navratil Tomas
16 Mar 2026
CHIEF DEVELOPMENT OFFICER
Sell
299
$98.21
$29.36K
Navratil Tomas
16 Mar 2026
CHIEF DEVELOPMENT OFFICER
Sell
460
$97.33
$44.77K
Gilliam Joseph E
18 Nov 2025
PRESIDENT & COO
Sell
19,340
$90.00
$1.74M
Kliman Gilbert H
6 Mar 2024
Director
Sell indirect
5,202
$84.93
$441.81K
Kliman Gilbert H
6 Mar 2024
Director
Sell indirect
3,145
$86.01
$270.50K
Kliman Gilbert H
27 Feb 2024
Director
Sell indirect
8,000
$92.00
$736.00K
Thurman Alex R.
15 Dec 2023
SVP & CHIEF FINANCIAL OFFICER
Sell
1,270
$79.80
$101.35K
Kliman Gilbert H
5 Aug 2022
Director
Sell indirect
3,362
$53.01
$178.23K
Gilliam Joseph E
6 May 2021
CFO, SVP Corporate Development
Sell
100
$85.00
$8.50K
Gilliam Joseph E
6 May 2021
CFO, SVP Corporate Development
Sell
100
$83.61
$8.36K
Gilliam Joseph E
6 May 2021
CFO, SVP Corporate Development
Sell
1,143
$82.71
$94.54K
Gilliam Joseph E
6 May 2021
CFO, SVP Corporate Development
Sell
3,657
$81.95
$299.69K
Calcaterra Chris M.
6 Mar 2019
Chief Operating Officer
Sell
727
$67.58
$49.13K
Showing 250 of 375 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 451
Amendments (4/A) skipped 14
Filings about a different issuer 0
Unreadable filings 0
Joint filings 5
Sales on a Rule 10b5-1 plan 51
Sales straight out of an exercise 191
Sales at will 116
Transactions with no price 0
Shares from compensation/vesting 8,075,535
Sales filed before the plan box existed 102
History held since 20 Oct 2016