Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 312
- Price
- $165.60
- Value
- $51,667
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•91 filings
GKOS
GLAUKOS Corp
Net sales of $18.2M over the last 3 months
5 sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
−$18,176,851
0 buyers · 5 sellers
12-month purchases
$0.00
0 distinct insiders
12-month sales
$69,308,807
8 distinct insiders
Highlighted alerts
17
49 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
No executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
100
Raw transactions
Everything returned by the filing
66
Voluntary view
P/S trades after deterministic checks
63
Administrative noise
Stored, never alerted
39
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- M
- Shares
- 2,500
- Price
- $25.77
- Footnotes
- 1
Includes 2,501 restricted stock units that have not vested or been delivered to the Reporting Person, as well as restricted stock units that have vested but delivery of which has been deferred by the Reporting Person.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 327
- Price
- $164.78
- Value
- $53,883
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 888
- Price
- $163.93
- Value
- $145,570
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 1,083
- Price
- $154.88
- Value
- $167,735
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 229
- Price
- $154.24
- Value
- $35,321
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 136
- Price
- $152.71
- Value
- $20,769
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 167
- Price
- $151.70
- Value
- $25,334
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 4
- Price
- $172.00
- Value
- $688.00
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 234
- Price
- $170.95
- Value
- $40,002
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 120
- Price
- $168.38
- Value
- $20,206
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 460
- Price
- $167.32
- Value
- $76,967
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 191
- Price
- $166.20
- Value
- $31,744
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 345
- Price
- $164.60
- Value
- $56,787
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 103
- Price
- $163.20
- Value
- $16,810
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
SaleAlert
- Shares
- 10
- Price
- $182.50
- Value
- $1,825
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
SaleAlert
- Shares
- 6,091
- Price
- $181.19
- Value
- $1,103,628
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
SaleAlert
- Shares
- 7,643
- Price
- $180.25
- Value
- $1,377,651
Kliman Gilbert H
Director
SaleAlert
- Shares
- 2,500
- Price
- $190.00
- Value
- $475,000
Gilliam Joseph E
PRESIDENT & COO
SaleAlert
- Shares
- 32,037
- Price
- $180.49
- Value
- $5,782,358
Gilliam Joseph E
PRESIDENT & COO
SaleAlert
- Shares
- 27,963
- Price
- $178.89
- Value
- $5,002,301
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 20,000
- Price
- $180.13
- Value
- $3,602,600
WEN LEANA
Director
SaleAlert
- Shares
- 525
- Price
- $167.63
- Value
- $88,006
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 10,000
- Price
- $160.00
- Value
- $1,600,000
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 10,000
- Price
- $155.00
- Value
- $1,550,000
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 10,000
- Price
- $150.00
- Value
- $1,500,000
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 716
- Price
- $139.06
- Value
- $99,567
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 1,537
- Price
- $130.68
- Value
- $200,855
Kliman Gilbert H
Director
SaleAlert
- Shares
- 5,000
- Price
- $140.76
- Value
- $703,800
Kliman Gilbert H
Director
SaleAlert
- Shares
- 5,000
- Price
- $135.00
- Value
- $675,000
WEN LEANA
Director
SaleAlert
- Shares
- 1,700
- Price
- $143.35
- Value
- $243,695
Gilliam Joseph E
PRESIDENT & COO
SaleAlert
- Shares
- 19,573
- Price
- $143.54
- Value
- $2,809,508
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 10,000
- Price
- $140.00
- Value
- $1,400,000
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 32
- Price
- $120.23
- Value
- $3,847
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 614
- Price
- $119.35
- Value
- $73,281
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 210
- Price
- $117.45
- Value
- $24,665
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 1,237
- Price
- $116.72
- Value
- $144,383
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 2,511
- Price
- $106.46
- Value
- $267,321
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 1,521
- Price
- $105.24
- Value
- $160,070
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 625
- Price
- $99.15
- Value
- $61,969
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 272
- Price
- $99.05
- Value
- $26,942
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 299
- Price
- $98.21
- Value
- $29,365
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 460
- Price
- $97.33
- Value
- $44,772
WEISNER AIMEE S
Director
SaleAlert
- Shares
- 6,471
- Price
- $118.56
- Value
- $767,202
WEISNER AIMEE S
Director
SaleAlert
- Shares
- 1,134
- Price
- $117.33
- Value
- $133,052
WEISNER AIMEE S
Director
SaleAlert
- Shares
- 5,242
- Price
- $116.64
- Value
- $611,427
WEISNER AIMEE S
Director
SaleAlert
- Shares
- 2,153
- Price
- $115.69
- Value
- $249,081
Gilliam Joseph E
PRESIDENT & COO
Sale 10b5-1
- Shares
- 3,194
- Price
- $129.28
- Value
- $412,920
Gilliam Joseph E
PRESIDENT & COO
Sale 10b5-1
- Shares
- 1,798
- Price
- $128.07
- Value
- $230,270
Gilliam Joseph E
PRESIDENT & COO
Sale 10b5-1
- Shares
- 3,100
- Price
- $127.03
- Value
- $393,793
Gilliam Joseph E
PRESIDENT & COO
Sale 10b5-1
- Shares
- 2,406
- Price
- $126.10
- Value
- $303,397
Stapley Marc
Director
Sale 10b5-1
- Shares
- 1,300
- Price
- $129.78
- Value
- $168,714
Stapley Marc
Director
Sale 10b5-1
- Shares
- 4,325
- Price
- $129.11
- Value
- $558,401
Stapley Marc
Director
Sale 10b5-1
- Shares
- 1,671
- Price
- $127.92
- Value
- $213,754
Stapley Marc
Director
Sale 10b5-1
- Shares
- 3,892
- Price
- $126.96
- Value
- $494,128
Stapley Marc
Director
Sale 10b5-1
- Shares
- 3,812
- Price
- $126.07
- Value
- $480,579
Gilliam Joseph E
PRESIDENT & COO
Sale 10b5-1
- Shares
- 4,502
- Price
- $124.65
- Value
- $561,174
Burns Thomas William
CHAIRMAN & CEO
Sale 10b5-1
- Shares
- 186,945
- Price
- $115.00
- Value
- $21,498,675
Burns Thomas William
CHAIRMAN & CEO
Sale 10b5-1
- Shares
- 88,055
- Price
- $115.00
- Value
- $10,126,325
Kliman Gilbert H
Director
SaleAlert
- Shares
- 5,000
- Price
- $107.27
- Value
- $536,350
Thurman Alex R.
SVP & CHIEF FINANCIAL OFFICER
Sale 10b5-1
- Shares
- 315
- Price
- $105.00
- Value
- $33,075
Gilliam Joseph E
PRESIDENT & COO
SaleAlert
- Shares
- 19,340
- Price
- $90.00
- Value
- $1,740,600
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 276
- Price
- $84.70
- Value
- $23,377
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 218
- Price
- $83.76
- Value
- $18,260
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 23
- Price
- $82.79
- Value
- $1,904
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 1,948
- Price
- $88.61
- Value
- $172,612
Navratil Tomas
CHIEF DEVELOPMENT OFFICER
Sale 10b5-1
- Shares
- 3,194
- Price
- $87.98
- Value
- $281,008
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 05, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 312 | $165.60 | $51,667 | |
| Oct 05, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 327 | $164.78 | $53,883 | |
| Oct 05, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 888 | $163.93 | $145,570 | |
| Sep 25, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 1,083 | $154.88 | $167,735 | |
| Sep 25, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 229 | $154.24 | $35,321 | |
| Sep 25, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 136 | $152.71 | $20,769 | |
| Sep 25, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 167 | $151.70 | $25,334 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 4 | $172.00 | $688.00 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 234 | $170.95 | $40,002 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 120 | $168.38 | $20,206 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 460 | $167.32 | $76,967 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 191 | $166.20 | $31,744 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 345 | $164.60 | $56,787 | |
| Sep 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 103 | $163.20 | $16,810 | |
| Aug 28, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 10 | $182.50 | $1,825 | |
| Aug 28, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 6,091 | $181.19 | $1,103,628 | |
| Aug 28, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 7,643 | $180.25 | $1,377,651 | |
| Aug 19, 2026 | Kliman Gilbert H Director | Sale | 2,500 | $190.00 | $475,000 | |
| Aug 11, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 32,037 | $180.49 | $5,782,358 | |
| Aug 11, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 27,963 | $178.89 | $5,002,301 | |
| Aug 07, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 20,000 | $180.13 | $3,602,600 | |
| Jul 31, 2026 | WEN LEANA Director | Sale | 525 | $167.63 | $88,006 | |
| Jul 16, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $160.00 | $1,600,000 | |
| Jul 09, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $155.00 | $1,550,000 | |
| Jul 06, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $150.00 | $1,500,000 | |
| Jul 01, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 716 | $139.06 | $99,567 | |
| Jun 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 1,537 | $130.68 | $200,855 | |
| May 14, 2026 | Kliman Gilbert H Director | Sale | 5,000 | $140.76 | $703,800 | |
| May 11, 2026 | Kliman Gilbert H Director | Sale | 5,000 | $135.00 | $675,000 | |
| May 01, 2026 | WEN LEANA Director | Sale | 1,700 | $143.35 | $243,695 | |
| May 01, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 19,573 | $143.54 | $2,809,508 | |
| Apr 30, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 10,000 | $140.00 | $1,400,000 | |
| Apr 10, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 32 | $120.23 | $3,847 | |
| Apr 10, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 614 | $119.35 | $73,281 | |
| Apr 10, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 210 | $117.45 | $24,665 | |
| Apr 10, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 1,237 | $116.72 | $144,383 | |
| Mar 25, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 2,511 | $106.46 | $267,321 | |
| Mar 24, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 1,521 | $105.24 | $160,070 | |
| Mar 17, 2026 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 625 | $99.15 | $61,969 | |
| Mar 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 272 | $99.05 | $26,942 | |
| Mar 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 299 | $98.21 | $29,365 | |
| Mar 16, 2026 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 460 | $97.33 | $44,772 | |
| Feb 19, 2026 | WEISNER AIMEE S Director | Sale | 6,471 | $118.56 | $767,202 | |
| Feb 19, 2026 | WEISNER AIMEE S Director | Sale | 1,134 | $117.33 | $133,052 | |
| Feb 19, 2026 | WEISNER AIMEE S Director | Sale | 5,242 | $116.64 | $611,427 | |
| Feb 19, 2026 | WEISNER AIMEE S Director | Sale | 2,153 | $115.69 | $249,081 | |
| Jan 22, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 3,194 | $129.28 | $412,920 | |
| Jan 22, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 1,798 | $128.07 | $230,270 | |
| Jan 22, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 3,100 | $127.03 | $393,793 | |
| Jan 22, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 2,406 | $126.10 | $303,397 | |
| Jan 22, 2026 | Stapley Marc Director | Sale | 1,300 | $129.78 | $168,714 | |
| Jan 22, 2026 | Stapley Marc Director | Sale | 4,325 | $129.11 | $558,401 | |
| Jan 22, 2026 | Stapley Marc Director | Sale | 1,671 | $127.92 | $213,754 | |
| Jan 22, 2026 | Stapley Marc Director | Sale | 3,892 | $126.96 | $494,128 | |
| Jan 22, 2026 | Stapley Marc Director | Sale | 3,812 | $126.07 | $480,579 | |
| Jan 21, 2026 | Gilliam Joseph E PRESIDENT & COO | Sale | 4,502 | $124.65 | $561,174 | |
| Jan 16, 2026 | Burns Thomas William CHAIRMAN & CEO | Sale | 186,945 | $115.00 | $21,498,675 | |
| Jan 08, 2026 | Burns Thomas William CHAIRMAN & CEO | Sale | 88,055 | $115.00 | $10,126,325 | |
| Dec 09, 2025 | Kliman Gilbert H Director | Sale | 5,000 | $107.27 | $536,350 | |
| Nov 25, 2025 | Thurman Alex R. SVP & CHIEF FINANCIAL OFFICER | Sale | 315 | $105.00 | $33,075 | |
| Nov 18, 2025 | Gilliam Joseph E PRESIDENT & COO | Sale | 19,340 | $90.00 | $1,740,600 | |
| Sep 22, 2025 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 276 | $84.70 | $23,377 | |
| Sep 22, 2025 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 218 | $83.76 | $18,260 | |
| Sep 22, 2025 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 23 | $82.79 | $1,904 | |
| Sep 11, 2025 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 1,948 | $88.61 | $172,612 | |
| Sep 11, 2025 | Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sale | 3,194 | $87.98 | $281,008 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.