Hemab Therapeutics Holdings Inc.

Last updated September 27, 2026
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Organization details

Legal name
Hemab Therapeutics Holdings Inc.
Ownership
Public
Status
Active
SIC code
2836 — Biological Products, (No Diagnostic Substances)
Jurisdiction of incorporation
Delaware
Headquarters city
Cambridge
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
COAG
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0002114044
EIN
41-4241952

Board of directors

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Board connections

6 of this board's directors also sit on 35 other boards.

Network of Hemab Therapeutics Holdings Inc.'s board connections ARS Pharmaceuticals Inc. ARS Pharmaceuticals In... Acrivon Therapeutics Inc. Acrivon Therapeutics I... Acumen Pharmaceuticals Inc. Acumen Pharmaceuticals... Artiva Biotherapeutics Inc. Artiva Biotherapeutics... Bicara Therapeutics Inc. Bicara Therapeutics In... Black Diamond Therapeutics Inc. Black Diamond Therapeu... Climb Bio Inc. Climb Bio Inc. Evommune Inc. Evommune Inc. Freenome Inc. Freenome Inc. Jade Biosciences Inc. Jade Biosciences Inc. Janux Therapeutics Inc. Janux Therapeutics Inc... LENZ Therapeutics Inc. LENZ Therapeutics Inc. Mineralys Therapeutics Inc. Mineralys Therapeutics... Nkarta Inc. Nkarta Inc. Parabilis Medicines Inc. Parabilis Medicines In... PepGen Inc. PepGen Inc. Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah Hemab Therapeutics Holding...
Shared director Other board Same sector +19 more in the list below

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$55,460,171
16 purchases by 4 insiders
Sold, last 12 months
$0
0 sales by 0 insiders
Date Insider Transaction Shares Price Value
Jun 16, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market purchase +61,523 $24.98 $1,536,845
Jun 15, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market purchase +6,146 $24.89 $152,974
May 20, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market purchase +996 $24.94 $24,840
May 19, 2026 RA CAPITAL MANAGEMENT, L.P. 10% owner Open-market purchase +3,802 $24.97 $94,936
May 12, 2026 Peter Kolchinsky 10% owner Open-market purchase +6,387 $24.90 $159,036
May 11, 2026 RA Capital Healthcare Fund LP 10% owner Open-market purchase +14,149 $24.47 $346,226
May 11, 2026 RA Capital Healthcare Fund LP 10% owner Open-market purchase +25,720 $25.00 $643,000
May 8, 2026 RA Capital Healthcare Fund LP 10% owner Open-market purchase +1,483 $24.98 $37,045
May 7, 2026 RA Capital Healthcare Fund LP 10% owner Open-market purchase +7,921 $24.34 $192,797
May 7, 2026 RA Capital Healthcare Fund LP 10% owner Open-market purchase +1,985 $24.95 $49,526
May 6, 2026 Rajeev M. Shah Director, 10% owner Open-market purchase +14,611 $23.77 $347,303
May 6, 2026 Rajeev M. Shah Director, 10% owner Open-market purchase +53,407 $24.83 $1,326,096
May 5, 2026 Rajeev M. Shah Director, 10% owner Open-market purchase +87,143 $24.59 $2,142,846
May 5, 2026 Rajeev M. Shah Director, 10% owner Open-market purchase +10,268 $25.00 $256,700
May 4, 2026 Rajeev M. Shah Director, 10% owner Derivative conversion +3,607,846 — —

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