22 insiders reported 57 Form 4 transactions for GLYCOMIMETICS INC (CBIO) over the past 18 months (most recent 2026-06-23). Recent activity: Brumm Joshua T (Chief Executive Officer) Sell 42,305 shares, Lynch Ryan (See Remarks) Sell 465 shares, Scalzo Richard William (Chief Financial Officer) Sell 1,112 shares, McNeill Jonathan (President and COO) Sell 20,549 shares, Im Ellie Eunkyung (Chief Medical Officer) Sell 1,219 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-23 | Brumm Joshua T | Chief Executive Officer | Sell | 42,305 | $761,067 |
| 2026-06-23 | Lynch Ryan | See Remarks | Sell | 465 | $8,365 |
| 2026-06-23 | Scalzo Richard William | Chief Financial Officer | Sell | 1,112 | $20,005 |
| 2026-06-23 | McNeill Jonathan | President and COO | Sell | 20,549 | $369,677 |
| 2026-06-23 | Im Ellie Eunkyung | Chief Medical Officer | Sell | 1,219 | $21,930 |
| 2026-06-23 | Bispham Barbara Harlin | See Remarks | Sell | 1,218 | $21,912 |
| 2026-06-23 | Pinkas Jan | Chief Scientific Officer | Sell | 1,288 | $23,171 |
| 2025-12-17 | Bispham Barbara Harlin | See Remarks | Buy | 6,000 | $0 |
| 2025-12-17 | Doughty Christopher Grant | Chief Business Officer | Buy | 8,000 | $0 |
| 2025-12-17 | Brumm Joshua T | Chief Executive Officer | Buy | 45,117 | $0 |
| 2025-12-17 | Brumm Joshua T | Chief Executive Officer | Buy | 10,000 | $0 |
| 2025-12-17 | Bispham Barbara Harlin | See Remarks | Buy | 12,422 | $0 |
| 2025-12-17 | Doughty Christopher Grant | Chief Business Officer | Buy | 14,714 | $0 |
| 2025-12-17 | Im Ellie Eunkyung | Chief Medical Officer | Buy | 16,298 | $0 |
| 2025-12-17 | Im Ellie Eunkyung | Chief Medical Officer | Buy | 5,000 | $0 |
| 2025-12-17 | Pinkas Jan | Chief Scientific Officer | Buy | 17,507 | $0 |
| 2025-12-17 | Pinkas Jan | Chief Scientific Officer | Buy | 5,000 | $0 |
| 2025-12-17 | Scalzo Richard William | Chief Financial Officer | Buy | 14,422 | $0 |
| 2025-12-17 | Scalzo Richard William | Chief Financial Officer | Buy | 5,000 | $0 |
| 2025-12-17 | Lynch Ryan | See Remarks | Buy | 8,378 | $0 |
| 2025-12-17 | Lynch Ryan | See Remarks | Buy | 4,000 | $0 |
| 2025-12-17 | McNeill Jonathan | President and COO | Buy | 19,507 | $0 |
| 2025-12-17 | McNeill Jonathan | President and COO | Buy | 6,000 | $0 |
| 2025-12-08 | Fairmount Funds Management LLC | Director | Buy | 1.4M | $18.2M |
| 2025-12-08 | Kiselak Tomas | Director | Buy | 1.4M | $18.2M |
Source: SEC Form 4 filings · as of 2026-06-23