CRBP · Insider trading · 13F holders · Congress trades
Corbus Pharmaceuticals Holdings, Inc. (CRBP)
Who is buying and selling CRBP: 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
- 7
- Insider buys, 90 days
- $25K
- Insider sales, 90 days
- $308K
- Congress trades, 12 months
- 0
CRBP at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 4 CRBP insiders filed 1 open-market purchase worth $25K and 3 sales worth $308K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
- 7 13F filers hold CRBP among their 50 largest positions, worth $43.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (3.0%), Jones Hill Capital LP (1.3%) and Cormorant Asset Management, LP (1.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in CRBP.
- CRBP last closed at $4.22 on Oct 29, 2026.
CRBP insider trading
Between Aug 1, 2026 and Oct 29, 2026, 4 CRBP insiders filed 1 open-market purchase worth $25K and 3 sales worth $308K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Ben Yong | Director | Sale10b5-1 | 2,000 | $7.84 | $16K | SEC |
| Aug 12, 2026 | Saxena Nishant C | Chief Business Officer | Buy | 2,600 | $9.63 | $25K | SEC |
| Aug 10, 2026 | Cohen Yuval | Chief Executive Officer, Director | Sale10b5-1 | 17,000 | $10.08 | $171K | SEC |
| Aug 10, 2026 | Moran Sean F. | Chief Financial Officer | Sale10b5-1 | 12,000 | $10.08 | $121K | SEC |
Who owns CRBP? Hedge funds and superinvestors
7 13F filers hold CRBP among their 50 largest positions, worth $43.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (3.0%), Jones Hill Capital LP (1.3%) and Cormorant Asset Management, LP (1.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Cormorant Asset Management, LPHedge fund | 1.1% | $22.0M | 2,344,971 | +0.0% shares | Q2 2026 |
| Jones Hill Capital LPHedge fund | 1.3% | $6.1M | 653,572 | New | Q2 2026 |
| Prosight Management, LPHedge fund | 1.1% | $6.1M | 650,000 | -6.8% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 3.0% | $4.0M | 425,000 | +10.8% shares | Q2 2026 |
| Diadema Partners LPHedge fund | 1.1% | $2.8M | 301,264 | -31.5% shares | Q2 2026 |
| Exome Asset Management LLCHedge fund | 1.1% | $1.7M | 184,914 | -21.0% shares | Q2 2026 |
| Velan Capital Investment Management LPHedge fund | 0.1% | $244K | 26,000 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 7). Screen CRBP in the grand portfolio →
CRBP stock trades by members of Congress
No member of Congress has disclosed a trade in CRBP.
CRBP questions and answers
Are insiders buying CRBP stock?
Between Aug 1, 2026 and Oct 29, 2026, 4 CRBP insiders filed 1 open-market purchase worth $25K and 3 sales worth $308K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own CRBP?
7 13F filers hold CRBP among their 50 largest positions, worth $43.0M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (3.0%), Jones Hill Capital LP (1.3%) and Cormorant Asset Management, LP (1.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded CRBP?
No member of Congress has disclosed a trade in CRBP.
Who is the largest holder of CRBP?
Among 13F filers, Cormorant Asset Management, LP reports the largest CRBP position, $22.0M (2,344,971 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Stonepine Capital Management, LLC's: 3.0% of its portfolio.
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