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COAG

Hemab Therapeutics Holdings (COAG) stock: insider trades, news & valuation

Strong buying
Close · Oct 9, 2026 $31.62 +2.4% on the day -7.0% over 12 months 52-week range $24.98 – $54.94

Share price and insider trades

COAG closeInsider buyInsider sale
2030405060MayJunJulAugSepOctBought $24,840 on 2026-05-20 · Ra Capital Management, L.P.Bought $37,045 on 2026-05-08 · Ra Capital Healthcare Fund LpBought $94,936 on 2026-05-19 · Ra Capital Management, L.P.Bought $152,974 on 2026-06-15 · Ra Capital Management, L.P.Bought $159,036 on 2026-05-12 · Peter KolchinskyBought $242,323 on 2026-05-07 · Ra Capital Healthcare Fund LpBought $989,226 on 2026-05-11 · Ra Capital Healthcare Fund LpBought $1,536,845 on 2026-06-16 · Ra Capital Management, L.P.Bought $1,673,399 on 2026-05-06 · Rajeev M. ShahBought $2,399,546 on 2026-05-05 · Rajeev M. ShahBought $48,150,000 on 2026-05-04 · Rajeev M. Shah
Bought, 12 months$55.5M
Sold, 12 months$0
Insiders buying4
Insiders selling0

Hemab Therapeutics Holdings insider trading at a glance (Oct 9, 2026): in the past 12 months, 4 insiders bought $55.5M and 0 sold $0 of COAG stock on the open market, including a cluster buy that began May 4, 2026.

COAG insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q2 2026: $55.5M bought (16 trades)$55.5MQ2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026$55.5M16—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.0×Last 5 sessions
Insiders' paper profit+$38.5MOn all tracked purchases +69.4%

Summary

Over the past 12 months, 4 Hemab Therapeutics Holdings, Inc. insiders reported open-market purchases totaling $55.5M, while 0 insiders reported sales totaling $0. The most recent cluster buy began on May 4, 2026, when 3 insiders bought a combined $53.7M. Among insiders with enough purchase history to measure, Peter Kolchinsky (10% Owner) has the highest Insider Score at 99.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jun 17SEC Ra Capital Management, L.P.10% Owner Buy 61,5236,444,637 held (+1%) $24.98 $1.5M +26.6% 92
Jun 17SEC Ra Capital Management, L.P.10% Owner Buy 6,1466,383,114 held (+0%) $24.89 $153K +27.0% 92
May 21SEC Ra Capital Management, L.P.10% Owner Buy 3,8026,375,972 held (+0%) $24.97 $95K +26.6% 92
May 21SEC Ra Capital Management, L.P.10% Owner Buy 9966,376,968 held (+0%) $24.94 $25K +26.8% 92
May 14SEC Peter Kolchinsky10% Owner Buy 6,3876,372,170 held (+0%) $24.90 $159K +27.0% 99
May 11SEC Ra Capital Healthcare Fund Lp10% Owner Buy 25,7206,365,783 held (+0%) $25.00 $643K +26.5% 98
May 11SEC Ra Capital Healthcare Fund Lp10% Owner Buy 14,1496,340,063 held (+0%) $24.47 $346K +29.2% 98
May 11SEC Ra Capital Healthcare Fund Lp10% Owner Buy 7,9216,322,446 held (+0%) $24.34 $193K +29.9% 98
May 11SEC Ra Capital Healthcare Fund Lp10% Owner Buy 1,9856,324,431 held (+0%) $24.95 $50K +26.7% 98
May 11SEC Ra Capital Healthcare Fund Lp10% Owner Buy 1,4836,325,914 held (+0%) $24.98 $37K +26.6% 98
May 6SEC Rajeev M. ShahDirector Buy 2,541,2506,149,096 held (+70%) $18.00 $45.7M +75.7% 90
May 6SEC Rajeev M. ShahDirector Buy 133,750354,938 held (+60%) $18.00 $2.4M +75.7% 90
May 6SEC Rajeev M. ShahDirector Buy 87,1436,236,239 held (+1%) $24.59 $2.1M +28.6% 90
May 6SEC Rajeev M. ShahDirector Buy 53,4076,314,525 held (+1%) $24.83 $1.3M +27.3% 90
May 6SEC Rajeev M. ShahDirector Buy 14,6116,261,118 held (+0%) $23.77 $347K +33.0% 90
May 6SEC Rajeev M. ShahDirector Buy 10,2686,246,507 held (+0%) $25.00 $257K +26.5% 90

Insiders at Hemab Therapeutics Holdings, Inc.

InsiderBoughtSoldLast filingScore
Rajeev M. ShahDirector $52.2M — May 6, 2026 90
Ra Capital Management, L.P.10% Owner $1.8M — Jun 17, 2026 92
Ra Capital Healthcare Fund Lp10% Owner $1.3M — May 11, 2026 98
Peter Kolchinsky10% Owner $159K — May 14, 2026 99

COAG stock: common questions

Are Hemab Therapeutics Holdings, Inc. insiders buying COAG stock?

In the past 12 months, 4 insiders reported open-market purchases of COAG worth $55.5M. The latest was 10% Owner Ra Capital Management, L.P. bought $1.5M of COAG at $24.98 — largest purchase by this insider in our records.

Are Hemab Therapeutics Holdings, Inc. insiders selling COAG stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is COAG's 52-week range?

Over the past year COAG has traded between $24.98 and $54.94. It last closed at $31.62 on Oct 9, 2026.