Item 5. Market for Registrant’s Common Equity
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.
Our common stock trades on the Nasdaq Global Select Market under the symbol ACLS. As of February 21, 2023, we had approximately 763 stockholders of record.
The following table summarizes the stock repurchase activity for the 12 months ended December 31, 2022 pursuant to our stock repurchase program:
Total Number of Shares Purchased
Average Price Paid per Share
Total Number of Shares Purchased as Part of Publicly Announced Program
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Program
(in thousands except per share amounts)
January 1 through January 31
—
N/A
—
$
100,000
February 1 through February 28
—
N/A
—
100,000
March 1 through March 31
284
$70.41
284
80,000
April 1 through April 30
45
$60.36
45
77,284
May 1 through May 31
60
$56.44
60
73,885
June 1 through June 30
110
$58.30
110
67,502
July 1 through July 31
90
$56.47
90
62,419
August 1 through August 31
79
$72.38
79
56,701
September 1 through September 30
26
$64.39
26
55,005
October 1 through October 31
95
$57.88
95
49,506
November 1 through November 30
99
$70.56
99
42,505
December 1 through December 31
—
N/A
—
$
42,505
Total
888
888
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We currently maintain one equity compensation plan, the 2012 Equity Incentive Plan (the “2012 Equity Plan”). The number of shares issuable upon exercise of outstanding options and unvested restricted stock units granted to employees and non-employee directors, as well as the number of shares remaining available for future issuance, under our equity compensation plans as of December 31, 2022 are summarized in the following table:
(A)
(B)
(C)
Plan category
Number of shares to be issued upon exercise of outstanding options, warrants and rights (1)
Weighted ‑ average exercise price of outstanding options, warrants and rights (2)
Number of shares remaining available for future issuance under equity compensation plans (excluding shares reflected in column (A)) (3)
Equity compensation plans approved by stockholders
1,091,710
$ 0.19
1,995,688
Equity compensation plans not approved by stockholders
—
NA
NA
Total
1,091,710
1,995,688
Weighted average exercise price of outstanding options at December 31, 2022
$43.33
Weighted average remaining term of outstanding options at December 31, 2022
3.9 years
(1) Represents, as of December 31, 2022: (A) 4,874 shares issuable on exercise of outstanding options under the 2012 Equity Plan, plus (B) 725,012 shares issuable on vesting of outstanding RSUs under the 2012 Equity Plan (some of which will be withheld in respect of tax withholding obligations).
(2) For the purposes of this table, the weighted-average exercise price of outstanding options, warrants and rights includes RSUs as if they had a $0.00 exercise price. The weighted-average exercise price of outstanding options at December 31, 2022 was $43.33.
(3) Represents the total shares available for issuance under our 2012 Equity Plan and our Employee Stock Purchase Plan, as of December 31, 2022, as follows:
(A)
1,068,101 shares were available for future issuance under the 2012 Equity Plan. Such amount represents the total number of shares reserved for issuance under the 2012 Equity Plan ((7,762,500 shares approved by the shareholders, plus 1,777,029 shares added in accordance with the terms of the 2012 Equity Plan as a result of the expiration or forfeiture of awards granted under our prior equity grant plan that were outstanding at the time of the adoption of the 2012 Equity Plan), less the shares issuable on options and restricted stock units (counted at 1.5 shares each) outstanding under the 2012 Equity Plan included in column (A)) and the shares issued prior to such date on exercise of options and vesting of restricted stock units granted under the 2012 Equity Plan. This plan is generally used for grants to employees and directors and was approved by our stockholders at our 2012 annual meeting.
(B)
925,087 shares were available under our 2022 Employee Stock Purchase Plan, which represents the total number of shares reserved for issuance under the plan (1,000,000) less the shares purchased through December 31, 2022.
Item 6. [RESERVED]
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