Donegal Mutual Insurance Co, a 10%+ owner of Donegal Group Inc (DGICA), continued its extended run of open-market stock purchases with another buy disclosed in a Form 4 filing. On September 11, 2026, the insider purchased 9,725 shares at $19.25 per share, a transaction worth $187,245.15. Following the purchase, Donegal Mutual now directly holds 14,342,128 shares of the insurance holding company.
This latest buy is not an isolated event. It is the tenth open-market purchase by Donegal Mutual between September 1 and September 11, 2026, bringing the combined total spent across that span to $2,375,373. The pattern of repeated, same-direction buying by the same insider over a short window is what our system flags as a cluster buy, a signal type that stands apart from a single, one-off purchase.
Donegal Mutual’s buying activity has been building for weeks. Earlier filings tracked on this site showed the streak topping $1.69 million and later crossing $1.07 million across six trades in a shorter stretch, underscoring how consistently the insurer has been adding to its stake. Readers can review the earlier stage of this pattern in our prior coverage, DGICA: Donegal Mutual’s Buying Streak Tops $1.07M in 6 Trades, which detailed the buildup before this most recent transaction.
Why Cluster Buys Draw Attention
Academic research on insider trading has found that clustered purchases, meaning multiple buys by the same insider or by several insiders at a company within a short window, tend to correlate with stronger subsequent stock performance compared to isolated single purchases. This filing fits that pattern definition: ten separate purchases in an eleven-day window, all funded with the insider’s own money rather than acquired through options or grants.
As the majority owner of Donegal Group, Donegal Mutual’s continued open-market buying reflects a sustained commitment to accumulating shares at prevailing market prices rather than a single discretionary trade. The size and frequency of the purchases, spanning $2,375,373 across ten transactions in under two weeks, make this a notable disclosure pattern worth tracking as it develops.
This article is based solely on information disclosed in a public SEC Form 4 filing and is intended for informational purposes. It does not constitute investment advice or a recommendation to buy or sell any security.
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Source: original SEC Form 4 filing.