Aetna Inc. and Apple Inc. have had private discussions about offering a free or discounted Apple Watch to Aetna members, "three people familiar with the matter" told CNBC.

CNBC's sources said the invitation-only meetings occurred in Southern California on Aug. 10 and Aug. 11. Aetna currently offers Apple's wearable devices to its 50,000 employees in conjunction with its corporate wellness program.