Regis Healthcare co-founder Bryan Dorman is offloading more shares in the business after divesting a 5 per cent stake in May.
Mr Dorman is selling 5.6 per cent of the company at $7.84 per security.
It represents a 2 per cent discount to the last closing price of $8 on Monday.
The 16.95m share parcel being divested is worth about $133m.
It takes the holding of The Dorman Family Trust in the business to 10.8 per cent.
Working on the trade is investment bank Jarden, which was on the ticket last time he offloaded the stock.
Then, shares were being offered at $7.18 each, a 3.5 per cent discount to the last traded price of $7.44.
That deal left him with just 16.4 per cent of Regis.
Mr Dorman also offloaded 5.81 per cent last year, at $3.90 per share, through Bank of America.
The trade represented 5.81 per cent of the stock and was worth $68.25m.
The stock had earlier closed at $3.93.
Mr Dorman co-founded the business with Ian Roberts.
After Regis was floated, Mr Dorman and Mr Roberts have each held close to 30 per cent of the business, which Soul Patts bid $1.85 a share for in 2020.
That offer was rejected.
Further government funding for the sector led some to expect a wave of takeover activity.
The funding has offered a value boost to Regis, one of the higher-quality aged care providers.
Bain Capital has already purchased listed rival Estia for $838m.
Regis has a $2.4bn market value and shares have increased 33 per cent this year.
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