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Public ownership evidence

Glaukos Corporation (GKOS) Ownership Disclosures

Read GKOS insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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2026-11-062026-11-04Kliman Gilbert HS2,500Not reported

First displayed source row from Recent Form 4 activity. The full bounded history and coverage notes remain below.

The displayed observation date is 2026-11-04 and its public availability date is 2026-11-06. Subtracting those calendar dates gives 2 days of disclosure lag. Historical public research can use the record from the availability date, rather than backdating knowledge to the observation date. The calendar-day difference does not assert an intraday publication time.

This row is code S: a sale. A purchase-following rule excludes this sale even if the reported dollar amount is large.

Open the linked original receipts to verify the row, then inspect a second record before drawing a pattern. This public filing observation supplies source evidence, not a completed copy-trading return.

SEC 0001193125-26-450384 ↗SEC 0001193125-26-445949 ↗SEC 0001193125-26-445949 ↗

Recent Form 4 activity

Inspect all 26 displayed rows: Recent Form 4 activity

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2026-11-062026-11-04Kliman Gilbert HS2,500Not reported
2026-11-042026-10-30Navratil TomasS6,436Not reported
2026-11-042026-10-30Navratil TomasS14,943Not reported
2026-11-042026-10-30Navratil TomasS12,836Not reported
2026-11-042026-10-30Navratil TomasS10,221Not reported
2026-10-072026-10-05Navratil TomasS312Not reported
2026-10-072026-10-05Navratil TomasS327Not reported
2026-10-072026-10-05Navratil TomasS888Not reported
2026-09-282026-09-25Navratil TomasS1,083Not reported
2026-09-282026-09-25Navratil TomasS229Not reported
2026-09-282026-09-25Navratil TomasS136Not reported
2026-09-282026-09-25Navratil TomasS167Not reported
2026-09-182026-09-16Navratil TomasS4Not reported
2026-09-182026-09-16Navratil TomasS234Not reported
2026-09-182026-09-16Navratil TomasS120Not reported
2026-09-182026-09-16Navratil TomasS460Not reported
2026-09-182026-09-16Navratil TomasS191Not reported
2026-09-182026-09-16Navratil TomasS345Not reported
2026-09-182026-09-16Navratil TomasS103Not reported
2026-09-022026-08-28Navratil TomasS10Not reported
2026-09-022026-08-28Navratil TomasS6,091Not reported
2026-09-022026-08-28Navratil TomasS7,643Not reported
2026-08-212026-08-19Kliman Gilbert HS2,500Not reported
2026-08-142026-08-11Gilliam Joseph ES32,037Not reported
2026-08-142026-08-11Gilliam Joseph ES27,963Not reported
2026-08-122026-08-07Thurman Alex R.S20,000Not reported

90-day public availability window, up to 50 records.

Recent institutional filing receipts

Inspect all 50 displayed rows: Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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Cornerstone Financial Management LLC2026-06-302026-08-2911$1,537None
Cornerstone Financial Management LLC2026-03-312026-08-297$754None
Cornerstone Financial Management LLC2025-12-312026-08-297$790None
Corient Private Wealth LP2026-06-302026-08-2857,046$7,972,749None
VIRGINIA RETIREMENT SYSTEMS ET Al2026-06-302026-08-265,400$754,704None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-2564,570$9,024,303None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-259,024,303$64,570,000None
Assenagon Asset Management S.A.2026-06-302026-08-22108,736$15,196,943None
Archer Investment Corp2026-06-302026-08-201,594$222,777None
MERCER GLOBAL ADVISORS INC /ADV2026-06-302026-08-201,855$259,255None
Ensign Peak Advisors, Inc2026-03-312026-08-193,321$357,539None
Ensign Peak Advisors, Inc2025-12-312026-08-194,566$515,547None
Ensign Peak Advisors, Inc2025-09-302026-08-1912,031$981,128None
Fulcrum Asset Management LLP2026-06-302026-08-1996$13,650None
Corient Private Wealth LP2026-06-302026-08-1857,048$7,973,029None
Jefferies Financial Group Inc.2026-06-302026-08-187,856$1,097,955None
Forum Finance Group S.A.2026-06-302026-08-15100$11,000None
EFG International AG2026-06-302026-08-1522$3,075None
EFG International AG2026-06-302026-08-1551,268$7,157,782None
Defilade Capital Management, L.P.2026-06-302026-08-1566,519$9,296,695None
SMA Capital LLC2026-06-302026-08-15197$27,533None
TORONTO DOMINION BANK2026-06-302026-08-15268,152$37,476,924None
SEI INVESTMENTS CO2026-06-302026-08-15119,290$16,671,970None
SEI INVESTMENTS CO2026-06-302026-08-152,035$284,770None
Murphy & Mullick Capital Management Corp2026-06-302026-08-1550$6,988None
Axxion S.A.2026-06-302026-08-151,500$209,640Put
Axxion S.A.2026-06-302026-08-151,900$265,544None
Federation des caisses Desjardins du Quebec2026-06-302026-08-15624$87,183None
Federation des caisses Desjardins du Quebec2026-06-302026-08-1575$10,482None
JPL Wealth Management, LLC2026-06-302026-08-1510$1,398None
JPL Wealth Management, LLC2026-06-302026-08-1555$7,687None
SHELTON CAPITAL MANAGEMENT2026-06-302026-08-151,559$217,886None
Susquehanna Portfolio Strategies, LLC2026-06-302026-08-15102,507$14,326,378None
Quarry LP2026-06-302026-08-1517$2,376None
XTX Topco Ltd2026-06-302026-08-152,655$371,063None
Prestige Wealth Management Group LLC2026-06-302026-08-1514$1,957None
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2026-06-302026-08-15752,642$105,189,246None
Sixth Street Partners Management Company, L.P.2026-06-302026-08-15752,642$105,189,246None
Eversept Partners, LP2026-06-302026-08-1529,343$4,100,978None
OSAIC HOLDINGS, INC.2026-06-302026-08-151,623$226,830None
OSAIC HOLDINGS, INC.2026-06-302026-08-1530$4,193None
OSAIC HOLDINGS, INC.2026-06-302026-08-151,195$167,009None
QUADRANT CAPITAL GROUP LLC2026-06-302026-08-156,879$961,409None
Squarepoint Ops LLC2026-06-302026-08-1514,167$1,979,980None
MetLife Investment Management, LLC2026-06-302026-08-1533,540$4,687,550None
JANE STREET GROUP, LLC2026-06-302026-08-152,452$342,692None
JANE STREET GROUP, LLC2026-06-302026-08-1579$11,041None
JANE STREET GROUP, LLC2026-06-302026-08-15551,200$77,035,712Put
JANE STREET GROUP, LLC2026-06-302026-08-1516,300$2,278,088Call
State of Tennessee, Department of Treasury2026-06-302026-08-1521,526$3,008,474None

90-day public filing window, up to 50 source positions.

Cornerstone Financial Management LLC ↗Cornerstone Financial Management LLC ↗Cornerstone Financial Management LLC ↗Corient Private Wealth LP ↗VIRGINIA RETIREMENT SYSTEMS ET Al ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗Assenagon Asset Management S.A. ↗Archer Investment Corp ↗MERCER GLOBAL ADVISORS INC /ADV ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.