COAG insider buying – Hemab Therapeutics Holdings, Inc.
5 insider purchases since 2016 worth $55.5M by 4 different insiders. Last 12 months: 5 purchases, $55.5M. Most recent filing: 2026-06-17.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Shah Rajeev M. Director | $52.2M 1× · 2,840,429 sh | 2026-05-04 2026-05-04 | – | 1,009,052 shares as of 2026-05-06 | Holds - never sold |
| RA CAPITAL MANAGEMENT, L.P. 10% Owner | $1.8M 2× · 72,467 sh | 2026-05-19 2026-06-15 | – | 6,383,114 shares as of 2026-06-17 | Holds - never sold |
| RA Capital Healthcare Fund LP 10% Owner | $1.3M 1× · 51,258 sh | 2026-05-07 2026-05-07 | – | 6,325,914 shares as of 2026-05-11 | Holds - never sold |
| Kolchinsky Peter 10% Owner | $159,036 1× · 6,387 sh | 2026-05-12 2026-05-12 | – | 6,372,170 shares as of 2026-05-14 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 5 | $55.5M | 4 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-17 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | 67,669 | $24.97 | $1.7M | +1.1% | SEC |
| 2026-05-21 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | 4,798 | $24.96 | $119,776 | +0.1% | SEC |
| 2026-05-14 | Kolchinsky Peter | 10% Owner | 6,387 | $24.90 | $159,036 | +0.1% | SEC |
| 2026-05-11 | RA Capital Healthcare Fund LP | 10% Owner | 51,258 | $24.75 | $1.3M | +0.8% | SEC |
| 2026-05-06 | Shah Rajeev M. | Director | 2,840,429 | $18.39 | $52.2M | +81.8% | SEC |
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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