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GLAUKOS Corp

GKOS Net selling
CIK 0001192448 #891 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$68.61M
$1.11M on a plan · $60.03M straight out of an exercise
Sold at will
$7.47M
10 of 50 sales
Net
−$68.61M
−$7.47M against sales at will

By person

11 insiders · 52 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Burns Thomas William
CHAIRMAN & CEO
—
$31.63M (2) scheduled
−$31.63M
1,210,560
2.05%
$220.93M
+23.9%
Gilliam Joseph E
PRESIDENT & COO
—
$17.24M (9) scheduled
−$17.24M
72,588
0.1231%
$13.25M
−29.2%
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
—
$10.18M (9) scheduled
−$10.18M
43,906
0.0744%
$8.01M
−16.2%
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
—
$3.17M (15)
−$3.17M
73,890
0.1253%
$13.48M
+1.7%
Kliman Gilbert H
Director
—
$2.39M (4) scheduled
−$2.39M
37,406
0.0634%
$6.83M
+15.7%
Stapley Marc
Director
—
$1.92M (5) scheduled
−$1.92M
39,327
0.0667%
$7.18M
+15.4%
WEISNER AIMEE S
Director
—
$1.76M (4) scheduled
−$1.76M
50,189
0.0851%
$9.16M
+11.2%
WEN LEANA
Director
—
$331.70K (2)
−$331.70K
21,092
0.0358%
$3.85M
+15.6%
Foley Mark J
Director
—
—
—
60,267
0.1022%
$11.00M
+72.5%
Hoffmeister David F
Director
—
—
—
49,549
0.0840%
$9.04M
+1,065%
Torres Denice
Director
—
—
—
24,212
0.0410%
$4.42M
+26.5%

Individual transactions

52
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
Kliman Gilbert H
19 Aug 2026
Director
Sold after exercise
2,500
$190.00
$475.00K
Gilliam Joseph E
11 Aug 2026
PRESIDENT & COO
Sold after exercise
32,037
$180.49
$5.78M
Gilliam Joseph E
11 Aug 2026
PRESIDENT & COO
Sold after exercise
27,963
$178.89
$5.00M
Thurman Alex R.
7 Aug 2026
SVP & CHIEF FINANCIAL OFFICER
Sold after exercise
20,000
$180.13
$3.60M
WEN LEANA
31 Jul 2026
Director
Sell
525
$167.63
$88.01K
Thurman Alex R.
16 Jul 2026
SVP & CHIEF FINANCIAL OFFICER
Sold after exercise
10,000
$160.00
$1.60M
Thurman Alex R.
9 Jul 2026
SVP & CHIEF FINANCIAL OFFICER
Sold after exercise
10,000
$155.00
$1.55M
Thurman Alex R.
6 Jul 2026
SVP & CHIEF FINANCIAL OFFICER
Sold after exercise
10,000
$150.00
$1.50M
Navratil Tomas
1 Jul 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
716
$139.06
$99.57K
Navratil Tomas
16 Jun 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
1,537
$130.68
$200.86K
Hoffmeister David F
26 May 2026
Director
Exercised, kept
15,000
$24.69
$370.35K
Kliman Gilbert H
14 May 2026
Director
Sold after exercise
5,000
$140.76
$703.80K
Kliman Gilbert H
11 May 2026
Director
Sold after exercise
5,000
$135.00
$675.00K
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
Thurman Alex R.
30 Apr 2026
SVP & CHIEF FINANCIAL OFFICER
Sold after exercise
10,000
$140.00
$1.40M
Navratil Tomas
10 Apr 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
32
$120.23
$3.85K
Navratil Tomas
10 Apr 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
614
$119.35
$73.28K
Navratil Tomas
10 Apr 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
210
$117.45
$24.66K
Navratil Tomas
10 Apr 2026
CHIEF DEVELOPMENT OFFICER
Sold on a plan
1,237
$116.72
$144.38K
Thurman Alex R.
25 Mar 2026
SVP & CHIEF FINANCIAL OFFICER
Sold on a plan
2,511
$106.46
$267.32K
Thurman Alex R.
24 Mar 2026
SVP & CHIEF FINANCIAL OFFICER
Sold on a plan
1,521
$105.24
$160.07K
Thurman Alex R.
17 Mar 2026
SVP & CHIEF FINANCIAL OFFICER
Sold on a plan
625
$99.15
$61.97K
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
WEISNER AIMEE S
19 Feb 2026
Director
Sold after exercise
6,471
$118.56
$767.20K
WEISNER AIMEE S
19 Feb 2026
Director
Sold after exercise
1,134
$117.33
$133.05K
WEISNER AIMEE S
19 Feb 2026
Director
Sold after exercise
5,242
$116.64
$611.43K
WEISNER AIMEE S
19 Feb 2026
Director
Sold after exercise
2,153
$115.69
$249.08K
Burns Thomas William
9 Feb 2026
CHAIRMAN & CEO
Exercised, kept
166,000
$30.92
$5.13M
Gilliam Joseph E
22 Jan 2026
PRESIDENT & COO
Sold after exercise
3,194
$129.28
$412.92K
Gilliam Joseph E
22 Jan 2026
PRESIDENT & COO
Sold after exercise
1,798
$128.07
$230.27K
Gilliam Joseph E
22 Jan 2026
PRESIDENT & COO
Sold after exercise
3,100
$127.03
$393.79K
Gilliam Joseph E
22 Jan 2026
PRESIDENT & COO
Sold after exercise
2,406
$126.10
$303.40K
Stapley Marc
22 Jan 2026
Director
Sold after exercise
1,300
$129.78
$168.71K
Stapley Marc
22 Jan 2026
Director
Sold after exercise
4,325
$129.11
$558.40K
Stapley Marc
22 Jan 2026
Director
Sold after exercise
1,671
$127.92
$213.75K
Stapley Marc
22 Jan 2026
Director
Sold after exercise
3,892
$126.96
$494.13K
Stapley Marc
22 Jan 2026
Director
Sold after exercise
3,812
$126.07
$480.58K
Gilliam Joseph E
21 Jan 2026
PRESIDENT & COO
Sold after exercise
4,502
$124.65
$561.17K
Burns Thomas William
16 Jan 2026
CHAIRMAN & CEO
Sold after exercise
186,945
$115.00
$21.50M
Burns Thomas William
8 Jan 2026
CHAIRMAN & CEO
Sold after exercise
88,055
$115.00
$10.13M
Kliman Gilbert H
9 Dec 2025
Director
Sold after exercise
5,000
$107.27
$536.35K
Thurman Alex R.
25 Nov 2025
SVP & CHIEF FINANCIAL OFFICER
Sold on a plan
315
$105.00
$33.08K
Gilliam Joseph E
18 Nov 2025
PRESIDENT & COO
Sell
19,340
$90.00
$1.74M
Navratil Tomas
22 Sep 2025
CHIEF DEVELOPMENT OFFICER
Sold on a plan
276
$84.70
$23.38K
Navratil Tomas
22 Sep 2025
CHIEF DEVELOPMENT OFFICER
Sold on a plan
218
$83.76
$18.26K
Navratil Tomas
22 Sep 2025
CHIEF DEVELOPMENT OFFICER
Sold on a plan
23
$82.79
$1.90K

What was left out

Form 4 filings counted 80
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 13
Sales straight out of an exercise 27
Sales at will 10
Transactions with no price 0
Shares from compensation/vesting 1,350,257
History held since 20 Oct 2016