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CIK 0001253689 · Non-accelerated filer<br>Smaller reporting company

CRESCENT BIOPHARMA, INC.

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Ticker
CBIO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
Cayman Islands
Entity type
operating
Phone
617-430-5595
Business address
300 FIFTH AVENUE, WALTHAM, MA, 02451
Former names
GLYCOMIMETICS INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$285,501
in 7 filings, $286K under 10b5-1 plans

Net −$285,501. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Brumm Joshua T −$160K Chief Executive Officer sold 3% of stake
  2. McNeill Jonathan −$77K President and COO sold 3% of stake
  3. Pinkas Jan −$12K Chief Scientific Officer sold 3% of stake
  4. Im Ellie Eunkyung −$11K Chief Medical Officer sold 3% of stake
  5. Bispham Barbara Harlin −$11K See Remarks sold 3% of stake

Reading 48 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-07-16 Fairmount Funds Management LLC Director Purchase +853,450 $14.50 $12.4M 3,601,316
2025-12-04 Fairmount Funds Management LLC Director Purchase +1,360,000 $13.41 $18.2M 2,747,866
2024-06-21 Rock Edwin Chief Medical Officer Purchase +115,000 $0.27 $31K 680,403
2024-06-20 Rock Edwin Chief Medical Officer Purchase +190,000 $0.25 $48K 565,403
2024-06-18 Hahn Brian M. SVP Finance, CFO Purchase +17,500 $0.25 $4K 70,643
2023-09-22 Rock Edwin Chief Medical Officer Purchase +30,403 $1.38 $42K 375,403
2023-09-21 Rock Edwin Chief Medical Officer Purchase +35,000 $1.38 $48K 345,000
2023-05-10 JUNIUS DANIEL M Director Purchase +30,000 $1.56 $47K 93,250
2023-05-08 Johnson Bruce S SVP & Chief Commercial Officer Purchase +13,500 $1.57 $21K 138,980
2023-02-24 Invus Public Equities, L.P. 10% owner Purchase +100,000 $1.70 $170K 8,589,064
2023-02-23 Invus Public Equities, L.P. 10% owner Purchase +200,000 $1.75 $351K 8,489,064
2023-02-22 Invus Public Equities, L.P. 10% owner Purchase +150,000 $1.79 $269K 8,289,064
2023-02-21 Invus Public Equities, L.P. 10% owner Purchase +50,000 $1.85 $93K 8,139,064
2023-02-17 Invus Public Equities, L.P. 10% owner Purchase +200,000 $1.71 $341K 8,089,064
2023-02-16 Invus Public Equities, L.P. 10% owner Purchase +315,266 $1.68 $531K 7,889,064
2023-02-15 Invus Public Equities, L.P. 10% owner Purchase +1,000,000 $2.16 $2.2M 7,573,798
2023-02-09 Invus Public Equities, L.P. 10% owner Purchase +11,451 $3.24 $37K 6,573,798
2022-12-22 Rock Edwin Chief Medical Officer Purchase +110,000 $2.25 $248K 310,000
2022-11-17 JUNIUS DANIEL M Director Purchase +20,000 $1.87 $37K 63,250
2022-11-15 Rock Edwin Chief Medical Officer Purchase +100,000 $1.66 $166K 200,000

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