Stock chart
Ticker: GKOS Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-03-27 2025-03-25 PS Planned sale

Thurman Alex R.

SVP & CHIEF FINANCIAL OFFICER

Officer
31 -0.1%
108.14
USD 3,352
31 -0.1% 108.14 USD 3,352
2025-03-27 2025-03-25 PS Planned sale

Thurman Alex R.

SVP & CHIEF FINANCIAL OFFICER

Officer
430 -0.8%
107.44
USD 46,199
430 -0.8% 107.44 USD 46,199
2025-03-27 2025-03-25 PS Planned sale

Thurman Alex R.

SVP & CHIEF FINANCIAL OFFICER

Officer
1,059 -1.9%
106.56
USD 112,847
1,059 -1.9% 106.56 USD 112,847
2025-02-28 2025-02-26 S Sale

Foley Mark J

Non-Executive Director
20,687 -27.6%
120.72
USD 2,497,335
20,687 -27.6% 120.72 USD 2,497,335
2025-02-19 2025-02-14 PS Planned sale

Navratil Tomas

CHIEF DEVELOPMENT OFFICER

Officer
3,416 -4.5%
147.14
USD 502,630
3,416 -4.5% 147.14 USD 502,630
2024-12-23 2024-12-20 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
1,292 -1.2%
150.35
USD 194,252
1,292 -1.2% 150.35 USD 194,252
2024-12-23 2024-12-20 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
2,036 -1.9%
149.54
USD 304,463
2,036 -1.9% 149.54 USD 304,463
2024-12-23 2024-12-20 PS Planned sale

Kliman Gilbert H

Non-Executive Director
10,000 -23.6%
150.28
USD 1,502,800
10,000 -23.6% 150.28 USD 1,502,800
2024-12-13 2024-12-11 S Sale

Kliman Gilbert H

Non-Executive Director
2,000 -5.8%
144.01
USD 288,020
2,000 -5.8% 144.01 USD 288,020
2024-11-01 2024-10-30 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
2,275 -2.2%
138.97
USD 316,157
2,275 -2.2% 138.97 USD 316,157
2024-09-11 2024-09-09 S Sale

Kliman Gilbert H

Non-Executive Director
1,000 -3.0%
130.00
USD 130,000
1,000 -3.0% 130.00 USD 130,000
2024-09-11 2024-09-09 S Sale

Kliman Gilbert H

Non-Executive Director
2,000 -5.7%
131.00
USD 262,000
2,000 -5.7% 131.00 USD 262,000
2024-08-23 2024-08-21 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
580 -0.6%
130.03
USD 75,417
580 -0.6% 130.03 USD 75,417
2024-08-23 2024-08-21 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
4,420 -4.1%
129.27
USD 571,373
4,420 -4.1% 129.27 USD 571,373
2024-08-19 2024-08-15 PS Planned sale

Stapley Marc

Non-Executive Director
581 -1.7%
126.91
USD 73,735
581 -1.7% 126.91 USD 73,735
2024-08-19 2024-08-15 PS Planned sale

Stapley Marc

Non-Executive Director
3,959 -10.3%
126.27
USD 499,903
3,959 -10.3% 126.27 USD 499,903
2024-08-19 2024-08-15 PS Planned sale

Stapley Marc

Non-Executive Director
1,110 -2.8%
125.28
USD 139,061
1,110 -2.8% 125.28 USD 139,061
2024-08-19 2024-08-15 PS Planned sale

Stapley Marc

Non-Executive Director
600 -1.5%
123.98
USD 74,388
600 -1.5% 123.98 USD 74,388
2024-08-12 2024-08-08 S Sale

WEISNER AIMEE S

Non-Executive Director
25,000 -45.4%
120.00
USD 3,000,000
25,000 -45.4% 120.00 USD 3,000,000
2024-07-09 2024-07-05 PS Planned sale

Gilliam Joseph E

PRESIDENT & COO

Officer
2,250 -2.2%
121.39
USD 273,128
2,250 -2.2% 121.39 USD 273,128
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