Who are the key insiders and large shareholders affected, and what are their positions on the deal?
Based on the excerpt you provided, the only parties identified are:
| Party | Role / Relationship to YMAB | Position on the Sale |
|---|---|---|
| Halper Sadeh LLC (investor‑rights law firm) | Acting as an independent investigator on behalf of shareholders; not an insider or shareholder of YMAB | Questioning whether the $8.60‑per‑share cash offer by SERB Pharmaceuticals is “fair” to YMAB shareholders and urging them to review their legal rights. |
The news release does not name any specific YMAB insiders (e.g., executives, directors, officers) or large institutional shareholders, nor does it provide any statements from those parties about the transaction. Consequently, we cannot identify the key insiders or large shareholders affected or detail their individual positions on the deal from this source alone.
How to obtain the missing information
Form 8‑K / 8‑A filings – YMAB’s SEC filings around the announcement date typically list:
- Board members and executive officers (insiders).
- Major institutional holders (beneficial owners of > 5 % of outstanding shares).
Proxy statements (DEF 14A) – If a shareholder vote is required, the proxy will include:
- Names of directors and officers.
- Any shareholder letters or voting recommendations.
Beneficial‑owner disclosures (Form 13D/13G) – Large shareholders who cross the 5 % threshold must file these with the SEC, which reveal their stance (support, opposition, or neutrality) on the merger.
Press releases or investor‑relations updates – Companies often issue statements from the CEO, Chairman, or major shareholders summarizing their view of the transaction.
Until those documents are reviewed, the only confirmed viewpoint is that Halper Sadeh LLC is challenging the fairness of the sale and urging YMAB shareholders to consider their legal options. If you can access YMAB’s recent SEC filings or investor communications, you’ll be able to pinpoint the specific insiders and large shareholders and capture any public statements they have made regarding the deal.