The Company sponsors a shareholder-approved stock incentive plan (the “2020 Plan”) that provides for the granting of stock options, stock appreciation rights, restricted stock, restricted stock units, performance shares, performance share units, dividend equivalent rights, and other stock-based and stock-related awards to directors, employees, or contractors of the Company, as determined by the Compensation Committee of the Board of Directors. Holders of restricted stock and stock awards issued under the 2020 Plan are entitled to participate in dividends, payable upon the vesting of the underlying awards. As of January 1, 2022, a total of 1,742,964 shares remained unissued under the 2020 Plan. All outstanding unvested shares of restricted stock vest immediately upon a “Change in Control,” as defined by the Plan.

There was no stock option activity in 2021 or 2020. The following table summarizes stock option activity for 2019:

						Weighted
				Weighted		Average
				Average		Remaining		Aggregate
	Shares			Exercise		Contractual		Intrinsic Value
	Under Options			Price		Life Years		(in thousands)
Options outstanding and exercisable at December 29, 2018		13,052		$	13.87		0.37	$	39
Exercised		(13,052	)		13.87				51
Options outstanding and exercisable at December 28, 2019		—		$	—		—	$	—

Restricted shares awarded to associates in 2021 vest ratably over a three-year service period and over one year for grants to members of the Board of Directors. Restricted shares awarded to associates prior to 2021 vest ratably over a four-year service period. Awards are subject to forfeiture and certain transfer restrictions prior to vesting. Compensation expense, representing the fair value of the stock at the measurement date of the award, is recognized over the required service period.

The following table summarizes restricted stock activity for 2021, 2020 and 2019:

				Weighted Average
				Grant-Date
	Shares			Fair Value
Outstanding and nonvested at December 29, 2018		822,819		$	23.07
Granted		488,063			17.84
Vested		(346,721	)		23.47
Forfeited		(35,428	)		20.11
Outstanding and nonvested at December 28, 2019		928,733			20.28
Granted		521,566			15.96
Vested		(396,219	)		21.65
Forfeited		(80,132	)		16.48
Outstanding and nonvested at January 2, 2021		973,948			17.72
Granted		562,653			18.96
Vested		(388,403	)		19.81
Forfeited		(116,361	)		18.19
Outstanding and nonvested at January 1, 2022		1,031,837		$	17.56

The total intrinsic value of shares vested was $7.3 million, $5.3 million and $6.2 million in 2021, 2020 and 2019, respectively.

Share-based payment expense recognized and included in “Selling, general and administrative expenses” in the consolidated statements of earnings, and related tax benefits were as follows:

	2021			2020			2019
(In thousands)	(52 Weeks)			(53 Weeks)			(52 Weeks)
Restricted stock	$	6,868		$	6,299		$	7,312
Tax benefits		(1,744	)		(839	)		(1,303	)
Stock-based compensation stock expense, net of tax	$	5,124		$	5,460		$	6,009

As of January 1, 2022, total unrecognized compensation cost related to non-vested restricted stock awards granted under the stock incentive plan was $7.3 million. The remaining compensation costs not yet recognized are expected to be recognized over a weighted average period of 2.1 years.

The Company recognized tax deductions of $7.7 million, $5.9 million and $7.2 million related to the exercise of stock options and the vesting of restricted stock in 2021, 2020 and 2019, respectively.

The Company sponsored a stock bonus plan covering 300,000 shares of SpartanNash common stock. Under the provisions of this plan, certain officers and key associates may elect to receive a portion of their annual bonus in common stock rather than cash, which will be issued at 120% of cash value. After the shares are issued, the holder is not able to sell or otherwise transfer the shares until the end of the holding period, which is 24 months. Compensation expense is recorded based upon the market price of the stock as of the measurement date. Under the plan, 15,778, 3,443 and 8,087 shares were issued in 2021, 2020 and 2019, respectively. The stock bonus plan expired on March 31, 2021.

The Company also sponsors an associate stock purchase plan covering 200,000 shares of SpartanNash common stock. The plan enables associates of the Company to purchase shares at 95% of the fair market value. As of January 1, 2022, a total of 182,733 shares had been issued under the plan.

On October 7, 2020, in connection with its entry into a commercial agreement with Amazon.com, Inc. (“Amazon”), the Company issued Amazon.com NV Investment Holdings LLC, a subsidiary of Amazon, a warrant to acquire up to an aggregate of 5,437,272 shares of the Company’s common stock (the “Warrant”), subject to certain vesting conditions. Warrant shares equivalent to 2.5% of the Company’s outstanding and issuable shares, or 1,087,455 shares, vested upon the signing of the commercial agreement, and had a grant date fair value of $5.51 per share. Warrant shares equivalent to up to 10.0% of the Company’s outstanding and issuable shares, or 4,349,817 shares, may vest in connection with conditions defined by the terms of the Warrant, as Amazon makes payments to the Company in connection with the commercial supply agreement, in increments of $200 million, and had a grant date fair value of $5.33 per share. Upon vesting, shares may be acquired at an exercise price of $17.7257. The warrant contains customary anti-dilution, down-round and change-in-control provisions. The right to purchase shares in connection with the Warrant expires on October 7, 2027.

Non-cash share-based payment expense associated with the stock warrant is recognized as vesting conditions are achieved, based on the grant date fair value of the warrant. The fair value of the warrant was determined as of the grant date in accordance with ASC 718, Compensation – Stock Compensation, using the binomial lattice pricing model (the “lattice model”). The lattice model is based, in part, upon assumptions for which management is required to use judgment. The assumptions made for purposes of estimating fair value under the lattice model for the Warrant were as follows:

The warrant shares, which vested upon signing the commercial agreement, have a contractual term of 7 years, whereas the warrant shares, which vest upon payments made to the Company in connection with the commercial supply agreement, have an estimated weighted average term of 3.6 years.

	Warrant
Outstanding and nonvested at December 28, 2019		—
Granted		5,437,272
Vested		(1,087,455	)
Outstanding and nonvested at January 2, 2021		4,349,817
Vested		(434,984	)
Outstanding and nonvested at January 1, 2022		3,914,833

Share-based payment expense recognized, included as a reduction of “Net sales” in the consolidated statements of earnings, and related tax benefits were as follows:

	2021			2020
(In thousands)	(52 Weeks)			(53 Weeks)
Warrant expense	$	1,958		$	6,549
Tax benefits		(152	)		(2,051	)
Warrant expense, net of tax	$	1,806		$	4,498

As of January 1, 2022, total unrecognized cost related to non-vested warrants was $20.7 million, which may be expensed as vesting conditions are satisfied over the remaining term of the agreement, or 5.8 years. Warrants representing 1,522,439 shares are vested and exercisable. As of January 1, 2022, nonvested warrant shares had an intrinsic value of $31.5 million, and vested warrant shares had an intrinsic value of $12.2 million.