LYNNETTE C. FALLON - 16 May 2023 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Signature
Lynnette C. Fallon
Issuer symbol
ACLS
Transactions as of
16 May 2023
Net transactions value
-$542,791
Form type
4
Filing time
18 May 2023, 16:03:45 UTC
Previous filing
16 May 2023
Next filing
26 May 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLS Common Stock Tax liability $81,590 -628 -1.5% $129.92 41,216 16 May 2023 Direct F1, F2, F3
transaction ACLS Common Stock Tax liability $120,066 -872 -2.1% $137.69 40,344 17 May 2023 Direct F1, F2, F4
transaction ACLS Common Stock Sale $341,136 -2,410 -6% $141.55 37,934 18 May 2023 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of restricted stock units.
F2 Represents the closing price of the common stock on the date of the tax withholding.
F3 Of the shares held after this tax withholding forfeiture (and related vesting) on May 16, 2023, 22,086 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F4 Of the shares held after this tax withholding forfeiture (and related vesting) on May 17, 2023, 20,121 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F5 Of the shares held after this sale on May 18, 2023, 20,121 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.