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|4Feb 4, 7:45 PM ET

MITSUI SUMITOMO INSURANCE CO LTD 4

Research Summary

AI-generated summary

Updated

WR Berkley (WRB) 10% Owner Mitsui Sumitomo Buys 315,221 Shares

What Happened
Mitsui Sumitomo Insurance Co., Ltd. (a reported 10% owner) purchased a total of 315,221 shares of W.R. Berkley Corporation (WRB) in open‑market transactions between Feb 2 and Feb 4, 2026. Transactions reported (shares @ price = total):

  • Feb 2: 237,062 @ $67.71 = $16,051,136
  • Feb 2: 13,159 @ $68.42 = $900,301
  • Feb 3: 8,347 @ $67.75 = $565,498
  • Feb 3: 31,653 @ $68.87 = $2,179,904
  • Feb 4: 2,585 @ $69.77 = $180,343
  • Feb 4: 22,415 @ $70.25 = $1,574,717
    Aggregate value ≈ $21.45 million. These were purchases (a bullish capital allocation signal from this institutional holder), executed pursuant to a Rule 10b5‑1 plan.

Key Details

  • Transaction dates: Feb 2–4, 2026. Form filed: Feb 4, 2026 (appears timely).
  • Purchase method/code: P = open market/private purchases under a 10b5‑1 plan (adopted Oct 3, 2025).
  • Prices: reported as weighted averages; ranges cited in the filing:
    • Feb 2 lots: $67.43–$67.9942 (F2, F4) and $68.0009–$68.7067 (F5)
    • Feb 3 lots: $68.40–$69.37 (F6)
    • Feb 4 lots: $69.4645–$69.995 (F7) and $70.00–$70.63 (F8)
      (The filing offers to provide per‑trade price breakdowns on request.)
  • Shares acquired: 315,221 total. Aggregate cash spent ≈ $21.45M.
  • Shares owned after transaction: Not specified in the provided excerpt of the Form 4.
  • Beneficial ownership note: Shares are held directly by Mitsui Sumitomo Insurance Co., Ltd. (MSI). MSI is a wholly‑owned subsidiary of MS&AD Insurance Group Holdings, Inc.; MS&AD may be deemed to beneficially own these securities but expressly disclaims beneficial ownership except for any pecuniary interest (footnote F3).
  • Other remarks: Filing references agreements with WR Berkley & Others LLC (WRBO) and disclaims that MSI and WRBO form a “group” under Rule 13d‑5.

Context

  • These are institutional purchases by a 10% owner under a pre‑arranged 10b5‑1 plan, not insider executive trades. For retail investors, purchases by large institutional holders can signal portfolio allocation decisions but do not carry the same interpretive weight as direct executive buys.
  • The 10b5‑1 plan means trades were pre‑scheduled, which can reduce the appearance of opportunistic timing.
  • Filing appears timely (filed Feb 4 for transactions through Feb 4); no late‑filing indication in the provided data.