CDXS · Insider trading · 13F holders · Congress trades
Codexis, Inc. (CDXS)
Who is buying and selling CDXS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $17K
- Congress trades, 12 months
- 1
CDXS at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 CDXS insiders filed 2 sales worth $17K on SEC Form 4, and no open-market purchases.
- 5 13F filers hold CDXS among their 50 largest positions, worth $26.6M combined. The biggest bets by portfolio weight are Opaleye Management Inc. (1.4%), Perkins Capital Management Inc (0.9%) and Telemark Asset Management, LLC (0.6%).
- Members of Congress have disclosed 1 CDXS trade since 2018, 1 purchase and 0 sales in the past year; the latest was Lamar Smith (R-TX), buying $1K–15K on Apr 6, 2018.
- CDXS last closed at $1.22 on Oct 29, 2026.
CDXS insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 CDXS insiders filed 2 sales worth $17K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 14, 2026 | Erbez Georgia | See Remarks | Sale | 6,335 | $1.36 | $9K | SEC |
| Oct 14, 2026 | Moore Alison | President and CEO, Director | Sale | 6,335 | $1.36 | $9K | SEC |
Who owns CDXS? Hedge funds and superinvestors
5 13F filers hold CDXS among their 50 largest positions, worth $26.6M combined. The biggest bets by portfolio weight are Opaleye Management Inc. (1.4%), Perkins Capital Management Inc (0.9%) and Telemark Asset Management, LLC (0.6%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Opaleye Management Inc.Hedge fund | 1.4% | $15.3M | 6,785,000 | +0.0% shares | Q2 2026 |
| Telemark Asset Management, LLCHedge fund | 0.6% | $8.7M | 3,846,411 | +0.0% shares | Q2 2026 |
| Perkins Capital Management IncWealth manager | 0.9% | $1.2M | 526,100 | -0.3% shares | Q2 2026 |
| Post Resch Tallon Group Inc.Wealth manager | 0.5% | $798K | 573,953 | +1.9% shares | Q3 2026 |
| Potomac Capital Management, Inc.Hedge fund | 0.4% | $588K | 260,000 | -5.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 4). Screen CDXS in the grand portfolio →
CDXS stock trades by members of Congress
Members of Congress have disclosed 1 CDXS trade since 2018, 1 purchase and 0 sales in the past year; the latest was Lamar Smith (R-TX), buying $1K–15K on Apr 6, 2018.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| May 8, 2018 | Lamar SmithR-TX · House | Buy | $1K–15K | Apr 6, 2018 | -88.6% |
CDXS questions and answers
Are insiders buying CDXS stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 CDXS insiders filed 2 sales worth $17K on SEC Form 4, and no open-market purchases.
Which hedge funds own CDXS?
5 13F filers hold CDXS among their 50 largest positions, worth $26.6M combined. The biggest bets by portfolio weight are Opaleye Management Inc. (1.4%), Perkins Capital Management Inc (0.9%) and Telemark Asset Management, LLC (0.6%).
Has Congress traded CDXS?
Members of Congress have disclosed 1 CDXS trade since 2018, 1 purchase and 0 sales in the past year; the latest was Lamar Smith (R-TX), buying $1K–15K on Apr 6, 2018.
Who is the largest holder of CDXS?
Among 13F filers, Opaleye Management Inc. reports the largest CDXS position, $15.3M (6,785,000 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Opaleye Management Inc.'s: 1.4% of its portfolio.
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