Public ownership evidence

GSI Technology (GSIT) Ownership Disclosures

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

As of 2026-10-10T12:08:28.848Z

Separate the three disclosure sources

Step 1 of 3

Recent Form 4 activity

GSI Technology: source evidence dated 2026-10-10T12:08:28.848Z.

Available
2026-08-15
Trade date
2026-08-13
Reporting owners
Chuang Patrick T.
Code
A
Shares
40,000
Reported value
Not reported
What you should see

The displayed owner or issuer and source fields identify the receipt to verify; keep reporting and availability dates separate.

Step 2 of 3

Is this an insider transaction, 13F holding, or Congressional event?

Each source has different dates and units. Raw ticker-matched receipts, including amendments, are not deduplicated current ownership totals.

SEC 0002009849-26-000010
What you should see

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Step 3 of 3

Read GSIT fundamentals

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Read GSIT fundamentals
What you should see

Keep reporting dates and units beside the answer, and inspect its original citations.

Recent Form 4 activity

See the complete recent form 4 activity
2026-08-152026-08-13Chuang Patrick T.A40,000Not reported
2026-08-152026-08-13Akerib AvidanA40,000Not reported
2026-08-152026-08-13Wu Ping TakA30,000Not reported
2026-08-152026-08-13Shu Lee-LeanA100,000Not reported
2026-08-152026-08-13Shu Lee-LeanA100,000Not reported
2026-08-152026-08-13Schirle Douglas M.A40,000Not reported
2026-08-152026-08-13Lasserre Didier H.A40,000Not reported

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

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.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-25436$3,370None
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2026-06-302026-08-253,370$436,000None
Susquehanna Portfolio Strategies, LLC2026-06-302026-08-1512,600$97,398None
T. Rowe Price Investment Management, Inc.2026-06-302026-08-15225,767$1,746,000None
XTX Topco Ltd2026-06-302026-08-15109,668$847,734None
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2026-06-302026-08-1595,202$735,911None
Sixth Street Partners Management Company, L.P.2026-06-302026-08-1595,202$735,911None
Qube Research & Technologies Ltd2026-06-302026-08-15351,384$2,716,198None
OSAIC HOLDINGS, INC.2026-06-302026-08-157,000$54,110None
OSAIC HOLDINGS, INC.2026-06-302026-08-1593,495$722,694None
Squarepoint Ops LLC2026-06-302026-08-1555,659$430,244None
Trexquant Investment LP2026-06-302026-08-15124,497$962,362None
MetLife Investment Management, LLC2026-06-302026-08-1519,103$147,666None
JANE STREET GROUP, LLC2026-06-302026-08-15113,735$879,172None
JANE STREET GROUP, LLC2026-06-302026-08-1521,000$162,330Call
Legal & General Group Plc2026-06-302026-08-153,067$23,708None
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15402,700$3,112,871Call
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-15190,900$1,475,657Put
SUSQUEHANNA INTERNATIONAL GROUP, LLP2026-06-302026-08-1574,142$573,118None
MILLENNIUM MANAGEMENT LLC2026-06-302026-08-15339,611$2,625,193None
JONES FINANCIAL COMPANIES LLLP2026-06-302026-08-153,297$22,551None
ROYAL BANK OF CANADA2026-06-302026-08-151,904$15,000None
ROYAL BANK OF CANADA2026-06-302026-08-15963$7,000None
ALLIANCEBERNSTEIN L.P.2026-06-302026-08-1526,000$133,640None
BRIDGEWAY CAPITAL MANAGEMENT, LLC2026-06-302026-08-1554,500$421,285None
CANADA PENSION PLAN INVESTMENT BOARD2026-06-302026-08-1533,300$257,409None
CITADEL ADVISORS LLC2026-06-302026-08-1554,745$423,179None
CITADEL ADVISORS LLC2026-06-302026-08-1549,700$384,181Put
CITADEL ADVISORS LLC2026-06-302026-08-1567,400$521,002Call
Potomac Capital Management, Inc.2026-06-302026-08-15168,110$1,299,490None
GROUP ONE TRADING LLC2026-06-302026-08-157,818$60,433None
Invesco Ltd.2026-06-302026-08-1510,604$81,969None
Invesco Ltd.2026-06-302026-08-154,499$34,777None
Invesco Ltd.2026-06-302026-08-1512,625$97,591None
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.2026-06-302026-08-1514,578$112,688None
TWO SIGMA INVESTMENTS, LP2026-06-302026-08-15875,894$6,770,661None
GOLDMAN SACHS GROUP INC2026-06-302026-08-1519,479$150,573None
GOLDMAN SACHS GROUP INC2026-06-302026-08-1528,406$219,578None
BARCLAYS PLC2026-06-302026-08-152,415$18,668None
BARCLAYS PLC2026-06-302026-08-155,786$44,726None
BARCLAYS PLC2026-06-302026-08-154,435$34,282None
PRICE T ROWE ASSOCIATES INC /MD/2026-06-302026-08-1525,979$201,000None
PRICE T ROWE ASSOCIATES INC /MD/2026-06-302026-08-151,110,714$8,586,000None
WELLS FARGO & COMPANY/MN2026-06-302026-08-15440,000$3,401,200None
WELLS FARGO & COMPANY/MN2026-06-302026-08-15400$3,092None
WELLS FARGO & COMPANY/MN2026-06-302026-08-1528,632$221,325None
BANK OF AMERICA CORP /DE/2026-06-302026-08-1519,238$148,710None
BANK OF AMERICA CORP /DE/2026-06-302026-08-1513,500$104,355None
BANK OF AMERICA CORP /DE/2026-06-302026-08-1525,278$195,399None
VANGUARD PORTFOLIO MANAGEMENT LLC2026-06-302026-08-14217,708$1,682,883None

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

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ↗Susquehanna Portfolio Strategies, LLC ↗T. Rowe Price Investment Management, Inc. ↗XTX Topco Ltd ↗CHARLES SCHWAB INVESTMENT MANAGEMENT INC ↗Sixth Street Partners Management Company, L.P. ↗Qube Research & Technologies Ltd ↗OSAIC HOLDINGS, INC. ↗OSAIC HOLDINGS, INC. ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

No records are available for this view.

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.

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