Hemab Therapeutics Holdings, Inc. (COAG)

Nasdaq · Biological Products, (No Diagnostic Substances) · Inc. DE

What they're doing

Between 2026-06-14 and 2026-09-12, public records show 2 signals for Hemab Therapeutics Holdings, Inc.. Most notable: 2026-06-16: RA CAPITAL MANAGEMENT, L.P. (ten_percent_owner) bought $1.5M of stock; 2026-06-15: RA CAPITAL MANAGEMENT, L.P. (ten_percent_owner) bought $153k of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.

Generated 2026-09-12 from public records.

Signals, last 12 months

  1. Insider purchase
    RA CAPITAL MANAGEMENT, L.P. (ten_percent_owner) bought $1.5M of stock
  2. Insider purchase
    RA CAPITAL MANAGEMENT, L.P. (ten_percent_owner) bought $153k of stock
  3. Insider purchase
    RA CAPITAL MANAGEMENT, L.P. (ten_percent_owner) bought $95k of stock
  4. Insider buying cluster
    3 insiders bought $53.6M within 14 days
  5. Insider purchase
    Kolchinsky Peter (ten_percent_owner) bought $159k of stock
  6. Insider purchase
    RA Capital Healthcare Fund LP (ten_percent_owner) bought $643k of stock
  7. Insider purchase
    RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. (ten_percent_owner) bought $643k of stock
  8. Insider purchase
    RA Capital Healthcare Fund LP (ten_percent_owner) bought $346k of stock
  9. Material 8-K filing
    Filed 8-K disclosing director or officer change
  10. Insider buying cluster
    4 insiders bought $104.8M within 14 days
  11. Insider purchase
    RA Capital Healthcare Fund LP (ten_percent_owner) bought $193k of stock
  12. Insider purchase
    RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) bought $1.3M of stock
  13. Insider purchase
    Shah Rajeev M. (director) bought $1.3M of stock
  14. Insider purchase
    Shah Rajeev M. (director) bought $347k of stock
  15. Insider purchase
    RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. (director) bought $347k of stock
  16. Insider purchase
    Shah Rajeev M. (director) bought $2.1M of stock
  17. Insider purchase
    Shah Rajeev M. (director) bought $257k of stock
  18. Insider purchase
    Shah Rajeev M. (director) bought $45.7M of stock
  19. Insider purchase
    Shah Rajeev M. (director) bought $2.4M of stock

Insider transactions

DateInsiderRoleCodeSharesPriceValue
2026-06-16RA CAPITAL MANAGEMENT, L.P.ten percent ownerP61,52324.98$1,536,845
2026-06-16RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP61,52324.98$1,536,845
2026-06-15RA CAPITAL MANAGEMENT, L.P.ten percent ownerP6,14624.89$152,974
2026-06-15RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP6,14624.89$152,974
2026-05-20RA CAPITAL MANAGEMENT, L.P.ten percent ownerP99624.94$24,840
2026-05-20RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP99624.94$24,840
2026-05-19RA CAPITAL MANAGEMENT, L.P.ten percent ownerP3,80224.97$94,936
2026-05-19RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP3,80224.97$94,936
2026-05-12Kolchinsky Peterten percent ownerP6,38724.9$159,036
2026-05-12RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP6,38724.9$159,036
2026-05-11RA Capital Healthcare Fund LPten percent ownerP25,72025$643,000
2026-05-11RA Capital Healthcare Fund LPten percent ownerP14,14924.47$346,226
2026-05-11RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP14,14924.47$346,226
2026-05-11RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP25,72025$643,000
2026-05-08RA Capital Healthcare Fund LPten percent ownerP1,48324.98$37,045
2026-05-08RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP1,48324.98$37,045
2026-05-07RA Capital Healthcare Fund LPten percent ownerP1,98524.95$49,526
2026-05-07RA Capital Healthcare Fund LPten percent ownerP7,92124.34$192,797
2026-05-07RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP7,92124.34$192,797
2026-05-07RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M.ten percent ownerP1,98524.95$49,526
2026-05-06Shah Rajeev M.directorP53,40724.83$1,326,096
2026-05-06Shah Rajeev M.directorP14,61123.77$347,303
2026-05-06RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP14,61123.77$347,303
2026-05-06RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP53,40724.83$1,326,096
2026-05-05Shah Rajeev M.directorP10,26825$256,700
2026-05-05Shah Rajeev M.directorP87,14324.59$2,142,846
2026-05-05RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP87,14324.59$2,142,846
2026-05-05RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP10,26825$256,700
2026-05-04Shah Rajeev M.directorC3,607,846——
2026-05-04Shah Rajeev M.directorP133,75018$2,407,500
2026-05-04Shah Rajeev M.directorP2,541,25018$45,742,500
2026-05-04Shah Rajeev M.directorC221,188——
2026-05-04Shah Rajeev M.directorC1,009,052——
2026-05-04Novo Holdings A/Sten percent ownerC4,180,550——
2026-05-04MARAGANORE JOHNdirectorC17,974——
2026-05-04MARAGANORE JOHNdirectorC17,974——
2026-05-04Novo Holdings A/Sten percent ownerC4,180,550——
2026-05-04RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorC3,607,846——
2026-05-04RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorC1,009,052——
2026-05-04RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorC221,188——
2026-05-04RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP2,541,25018$45,742,500
2026-05-04RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M.directorP133,75018$2,407,500
2026-05-04MARAGANORE JOHNdirectorC17,974——
2026-05-04MARAGANORE JOHNdirectorC17,974——

Federal contracts

No federal contract actions on record for this recipient mapping.

Lobbying

No federal lobbying filings on record for this client mapping.

Public attention

No Wikipedia pageview data linked to this company.

Recent filings