Gigamedia Ltd also files under GIGA; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 23, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 6K | $2.91 | $17K |
| Sep 22, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 16K | $2.88 | $45K |
| Sep 9, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 7K | $2.91 | $22K |
| Sep 8, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 50K | $2.90 | $145K |
| Sep 4, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 11K | $2.70 | $30K |
| May 19, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 40K | $2.49 | $100K |
| May 18, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 60K | $2.45 | $147K |
| May 15, 2020 | Huang Cheng-Ming | CEO, Director | Buy(P) | 10K | $2.30 | $23K |
| Aug 19, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 10K | $2.40 | $23K |
| Aug 15, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 60K | $2.34 | $140K |
| Jun 21, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 10K | $2.52 | $25K |
| Jun 19, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 58K | $2.50 | $145K |
| Jun 14, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 6K | $2.55 | $16K |
| Jun 13, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 4K | $2.50 | $10K |
| Jun 12, 2019 | Huang Cheng-Ming | CEO, Director | Buy(P) | 25K | $2.39 | $61K |
| Dec 21, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 70K | $2.91 | $204K |
| Dec 19, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 80K | $2.69 | $215K |
| Sep 14, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 64K | $3.00 | $192K |
| Sep 13, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 6K | $2.93 | $18K |
| Aug 16, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 50K | $3.04 | $152K |
| Aug 15, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 1K | $2.92 | $4K |
| Aug 14, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 60K | $2.89 | $173K |
| Jun 5, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 19K | $3.18 | $60K |
| Jun 4, 2018 | Huang Cheng-Ming | CEO, Director | Buy(P) | 13K | $2.98 | $39K |
| Dec 20, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 9K | $3.03 | $28K |
| Dec 19, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 35K | $3.00 | $105K |
| Dec 6, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 55K | $2.94 | $162K |
| Sep 19, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 50K | $3.00 | $150K |
| Sep 18, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 50K | $2.98 | $149K |
| Aug 21, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 100K | $2.94 | $294K |
| Aug 4, 2017 | Huang Cheng-Ming | CEO, Director | Buy(P) | 38K | $2.99 | $112K |
| Dec 14, 2016 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 39K | $2.77 | $108K |
| Dec 23, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 28K | $3.00 | $84K |
| Dec 22, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 26K | $3.00 | $79K |
| Dec 21, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 31K | $3.00 | $94K |
| Dec 18, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 88K | $2.96 | $260K |
| Nov 16, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 200 | $0.59 | $118 |
| Nov 16, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 1K | $0.60 | $600 |
| Nov 16, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 113K | $0.60 | $68K |
| Nov 16, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 400 | $0.60 | $240 |
| Nov 13, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 100K | $0.58 | $58K |
| Nov 13, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 100K | $0.58 | $58K |
| Nov 13, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 54K | $0.58 | $31K |
| Nov 12, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 30K | $0.58 | $18K |
| Nov 11, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 89K | $0.58 | $52K |
| Nov 11, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 252K | $0.58 | $146K |
| Nov 9, 2015 | Hwang Collin | Chief Executive Officer, Director | Buy(P) | 118K | $0.56 | $66K |
| Oct 31, 2014 | Hwang Collin | Director | Buy(P) | 64K | $1.03 | $66K |
| Oct 29, 2014 | Hwang Collin | Director | Buy(P) | 50K | $1.05 | $53K |
| Oct 28, 2014 | Hwang Collin | Director | Buy(P) | 18K | $0.99 | $18K |
| Oct 27, 2014 | Hwang Collin | Director | Buy(P) | 365K | $0.99 | $361K |
| Dec 21, 2012 | Hwang Collin | CEO, Director | Buy(P) | 866K | $0.96 | $832K |
| Dec 20, 2012 | Hwang Collin | CEO, Director | Buy(P) | 71K | $0.98 | $70K |
| Dec 19, 2012 | Hwang Collin | CEO, Director | Buy(P) | 24K | $0.90 | $21K |
| Jul 21, 2009 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Sell(S) | 378K | $4.92 | $1.9M |
| Jul 20, 2009 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Sell(S) | 379K | $5.08 | $1.9M |
| Jul 17, 2009 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Sell(S) | 350K | $5.21 | $1.8M |
| Jul 17, 2009 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Sell(S) | 900K | $5.13 | $4.6M |
| Mar 31, 2009 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Sell(S) | 572K | $5.52 | $3.2M |
| Mar 13, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 24K | $16.13 | $395K |
| Mar 12, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 32K | $16.79 | $535K |
| Mar 11, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 50K | $17.14 | $857K |
| Mar 4, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 54K | $18.49 | $990K |
| Jan 31, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 20K | $17.50 | $343K |
| Jan 30, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 15K | $16.07 | $236K |
| Jan 22, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 49K | $15.07 | $738K |
| Jan 18, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 98K | $15.72 | $1.5M |
| Jan 17, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 120K | $15.37 | $1.8M |
| Jan 11, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 16K | $17.83 | $285K |
| Jan 9, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 49K | $17.15 | $840K |
| Jan 7, 2008 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 60K | $17.02 | $1.0M |
| Nov 14, 2007 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 105K | $19.12 | $2.0M |
| Nov 13, 2007 | Criterion Capital Partners Master Fund, L.P. | 10% Owner | Buy(P) | 80K | $17.09 | $1.4M |
| Jul 19, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 18K | $7.46 | $133K |
| Jul 19, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 4K | $7.46 | $29K |
| Jul 18, 2006 | Sansar Capital Management, L.L.C. | 10% Owner | Buy(P) | 213K | $7.30 | $1.6M |
| Jul 18, 2006 | Sansar Capital Management, L.L.C. | 10% Owner | Buy(P) | 47K | $7.30 | $342K |
| Jul 17, 2006 | Sansar Capital Management, L.L.C. | 10% Owner | Buy(P) | 900 | $7.75 | $7K |
| Jul 17, 2006 | Sansar Capital Management, L.L.C. | 10% Owner | Buy(P) | 4K | $7.75 | $32K |
| Jul 11, 2006 | Sansar Performance, L.P. | 10% Owner | Buy(P) | 5K | $7.99 | $37K |
| Jul 11, 2006 | Sansar Performance, L.P. | 10% Owner | Buy(P) | 20K | $7.99 | $163K |
| Jul 10, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 7K | $7.68 | $54K |
| Jul 10, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 31K | $7.68 | $238K |
| Jul 7, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 360 | $8.00 | $3K |
| Jul 7, 2006 | Motwani Sanjay | 10% Owner | Buy(P) | 2K | $8.00 | $13K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: Gigamedia Ltd, SEC CIK 0001105101. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under GIGM and shows every filing by that issuer (also filed as GIGA).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-15. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for GIGM