LYTIR

Company · GKOS

Glaukos Corporation

Name as listed on its exchange; filed with the SEC as GLAUKOS Corp.

Nasdaq's symbol directory lists GKOS on the New York Stock Exchange as “Glaukos Corporation Common Stock”.

In the 12 months to Nov 8, 2026: insiders sold on 15 occasions ($34.4M); 5 planned-sale notices; 2 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC · Appeared in No. 14

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $34.4M in total.Jun: Insider sales $201KJul: Insider sales $4.8MAug: Insider sales $17.3MSep: Insider sales $492KOct: Insider sales $10.9MNov: Insider sales $632KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $34.4M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. Navratil Tomas, CHIEF DEVELOPMENT OFFICER sold on 7 days 5 of them under a 10b5-1 plan latest Oct 30, 2026 sold $14.1M
  2. Gilliam Joseph E, PRESIDENT & COO sold on 1 day latest Aug 11, 2026 sold $10.8M
  3. Thurman Alex R., SVP & CHIEF FINANCIAL OFFICER sold on 4 days all under a 10b5-1 plan latest Aug 7, 2026 sold $8.3M
  4. Kliman Gilbert H sold on 2 days latest Nov 4, 2026 sold $1.1M
  5. WEN LEANA sold on 1 day latest Jul 31, 2026 sold $88K
Every trade (15)
  1. SELLKliman Gilbert H sold Nov 4, 2026 2,500 shares filing $632K
  2. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Oct 30, 2026 44,436 shares 4 legs combined filing $10.6M
  3. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Oct 5, 2026 1,527 shares 3 legs combined 10b5-1 plan (scheduled) filing $251K
  4. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Sep 25, 2026 1,615 shares 4 legs combined 10b5-1 plan (scheduled) filing $249K
  5. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Sep 16, 2026 1,457 shares 7 legs combined 10b5-1 plan (scheduled) filing $243K
  6. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Aug 28, 2026 13,744 shares 3 legs combined filing $2.5M
  7. SELLKliman Gilbert H sold Aug 19, 2026 2,500 shares filing $475K
  8. SELLGilliam Joseph E, PRESIDENT & COO sold Aug 11, 2026 60,000 shares 2 legs combined filing $10.8M
  9. SELLThurman Alex R., SVP & CHIEF FINANCIAL OFFICER sold Aug 7, 2026 20,000 shares 10b5-1 plan (scheduled) filing $3.6M
  10. SELLWEN LEANA sold Jul 31, 2026 525 shares filing $88K
  11. SELLThurman Alex R., SVP & CHIEF FINANCIAL OFFICER sold Jul 16, 2026 10,000 shares 10b5-1 plan (scheduled) filing $1.6M
  12. SELLThurman Alex R., SVP & CHIEF FINANCIAL OFFICER sold Jul 9, 2026 10,000 shares 10b5-1 plan (scheduled) filing $1.6M
  13. SELLThurman Alex R., SVP & CHIEF FINANCIAL OFFICER sold Jul 6, 2026 10,000 shares 10b5-1 plan (scheduled) filing $1.5M
  14. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Jul 1, 2026 716 shares 10b5-1 plan (scheduled) filing $100K
  15. SELLNavratil Tomas, CHIEF DEVELOPMENT OFFICER sold Jun 16, 2026 1,537 shares 10b5-1 plan (scheduled) filing $201K

Planned sales · SEC Form 144

Notice given

A Form 144 is filed before an insider sells restricted stock. It states an intent; the sale, if it happens, appears later on a Form 4. Every recent notice

  1. Kliman Gilbert H filed Nov 4, 2026 Director 2,500 shares planned sale date 11/04/2026 filing $632K
  2. Navratil Tomas filed Oct 30, 2026 Officer 44,436 shares planned sale date 10/30/2026 filing $10.6M
  3. Navratil Tomas filed Oct 5, 2026 Officer 1,527 shares planned sale date 10/05/2026 filing $251K
  4. Navratil Tomas filed Sep 25, 2026 Officer 1,615 shares planned sale date 09/25/2026 filing $249K
  5. Navratil Tomas filed Sep 16, 2026 Officer 1,457 shares planned sale date 09/16/2026 filing $243K

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Regulation FD disclosure filing Nov 6, 2026
  2. Results of operations and financial condition; Regulation FD disclosure filing Oct 28, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.