# Sei Investments Co (SEIC) insider trading, Q3 2026 Canonical: https://sec-api.dev/insider-trading/seic > 32 non-derivative transactions: 0 purchases, 13 sales ($20.4M). CIK 350894. | Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing | | --- | --- | --- | --- | --- | --- | --- | --- | | 2026-09-22 | LANE MICHAEL | Officer | S | 2400.0 | 102.78 | 39581.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003634/0000929638-26-003634-index.htm | | 2026-09-03 | Hicke Ryan | Officer | M | 20000.0 | 64.43 | 230314.77 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003474/0000929638-26-003474-index.htm | | 2026-09-03 | Hicke Ryan | Officer | M | 17500.0 | 48.47 | 210314.77 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003474/0000929638-26-003474-index.htm | | 2026-09-03 | Hicke Ryan | Officer | S | 37500.0 | 110.71 | 192814.77 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003474/0000929638-26-003474-index.htm | | 2026-09-01 | ROMEO CARMEN | Director | S | 5000.0 | 109.7 | 1560293.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003447/0000929638-26-003447-index.htm | | 2026-09-01 | ROMEO CARMEN | Director | M | 5000.0 | 49.63 | 1565293.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003447/0000929638-26-003447-index.htm | | 2026-08-28 | Peterson Michael | Officer | S | 37500.0 | 111.51 | 20148.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003408/0000929638-26-003408-index.htm | | 2026-08-28 | Peterson Michael | Officer | M | 37500.0 | 56.54 | 57648.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826003408/0000929638-26-003408-index.htm | | 2026-08-05 | McCabe Philip | Officer | S | 5043.0 | 105.5 | 54884.45 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002909/0000929638-26-002909-index.htm | | 2026-08-05 | McCabe Philip | Officer | M | 5043.0 | 49.63 | 59927.45 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002909/0000929638-26-002909-index.htm | | 2026-08-04 | McCabe Philip | Officer | M | 15000.0 | 49.63 | 79841.45 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002909/0000929638-26-002909-index.htm | | 2026-08-04 | McCabe Philip | Officer | M | 9957.0 | 49.63 | 64841.45 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002909/0000929638-26-002909-index.htm | | 2026-08-04 | McCabe Philip | Officer | S | 24957.0 | 105.04 | 54884.45 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002909/0000929638-26-002909-index.htm | | 2026-08-03 | MCCARTHY KATHRYN | Director | S | 10000.0 | 103.54 | 77883.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002873/0000929638-26-002873-index.htm | | 2026-08-03 | MCCARTHY KATHRYN | Director | M | 5000.0 | 71.12 | 82883.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002873/0000929638-26-002873-index.htm | | 2026-08-03 | MCCARTHY KATHRYN | Director | M | 5000.0 | 71.12 | 87883.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002873/0000929638-26-002873-index.htm | | 2026-07-28 | GUARINO CARL | Director | M | 5000.0 | 49.63 | 28308.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002842/0000929638-26-002842-index.htm | | 2026-07-28 | GUARINO CARL | Director | M | 5000.0 | 49.63 | 23308.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002842/0000929638-26-002842-index.htm | | 2026-07-28 | GUARINO CARL | Director | S | 10000.0 | 103.2 | 18308.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002842/0000929638-26-002842-index.htm | | 2026-07-28 | Peterson Michael | Officer | M | 25000.0 | 55.73 | 45148.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002843/0000929638-26-002843-index.htm | | 2026-07-28 | Peterson Michael | Officer | S | 25000.0 | 102.05 | 20148.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002843/0000929638-26-002843-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | S | 7400.0 | 102.97 | 921.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | M | 5000.0 | 56.54 | 15921.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | M | 5000.0 | 56.54 | 10921.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | M | 2500.0 | 64.43 | 5921.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | S | 2300.0 | 101.11 | 13621.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | S | 5300.0 | 102.01 | 8321.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-28 | Warner Mark Andrew | Officer | M | 2500.0 | 64.43 | 3421.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002844/0000929638-26-002844-index.htm | | 2026-07-24 | Shah Sneha S. | Officer | F | 3746.0 | 96.73 | 14092.0 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002740/0000929638-26-002740-index.htm | | 2026-07-24 | Sharma Sanjay | Officer | M | 10000.0 | 71.12 | 59828.99 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002741/0000929638-26-002741-index.htm | | 2026-07-24 | Sharma Sanjay | Officer | S | 20000.0 | 99.33 | 39828.99 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002741/0000929638-26-002741-index.htm | | 2026-07-24 | Sharma Sanjay | Officer | M | 10000.0 | 71.12 | 49828.99 | https://www.sec.gov/Archives/edgar/data/350894/000092963826002741/0000929638-26-002741-index.htm | Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets --- Independent. 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