Insider Trading activities of Axcelis Technologies Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Axcelis Technologies Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Axcelis Technologies Inc since year 2005. Table 2 shows the detailed insider transactions of Axcelis Technologies Inc since 2005. The reporting company's ticker symbol is ACLS. The reporting company's CIK number is 1113232.
The total value of stock buying since 2005 is $1,781,321.
The total value of stock sales since 2005 is $28,345,643.
The total value of stock option exercises since 2005 is $7,578,417.

Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for *Axcelis Technologies Inc* (*ACLS*).
Trading Period	Insider Buying		Insider Sales		Option Exercises
year-month	Shares	Value	Shares	Value	Shares	Value
2018-03	0	$0	7,478	$199,236	1,953	$23,514
2017-11	0	$0	232,268	$7,751,324	205,468	$1,843,459
2017-09	0	$0	74,848	$1,684,019	74,848	$513,966
2017-08	0	$0	31,793	$665,009	31,793	$255,894
2017-06	0	$0	126,250	$3,011,062	126,250	$948,600
2017-05	0	$0	450,509	$9,579,093	451,163	$2,468,269
2017-02	0	$0	153,633	$2,525,293	153,633	$701,881
2016-12	0	$0	7,000	$95,550	0	$0
2016-08	5,000	$56,250	25,750	$308,484	25,750	$107,634
2016-05	10,000	$24,750	0	$0	0	$0
2015-11	69,166	$163,419	0	$0	0	$0
2015-08	10,000	$32,400	126,493	$418,122	126,493	$156,854
2015-05	0	$0	125,000	$393,125	125,000	$87,500
2015-02	0	$0	236,257	$655,142	239,757	$261,216
2014-11	0	$0	70,000	$150,134	55,000	$81,131
2014-05	65,000	$109,020	0	$0	0	$0
2014-02	0	$0	90,000	$193,500	90,000	$62,999
2013-12	0	$0	15,790	$34,254	0	$0
2013-11	0	$0	17,079	$39,452	0	$0
2013-09	0	$0	15,624	$35,091	0	$0
2013-08	89,148	$169,923	0	$0	0	$0
2013-06	0	$0	15,316	$26,848	0	$0
2013-03	0	$0	18,396	$22,258	0	$0
2013-02	0	$0	8,500	$11,050	0	$0
2012-05	119,000	$119,285	0	$0	0	$0
2012-03	10,000	$15,650	0	$0	0	$0
2012-02	10,000	$17,000	49,000	$84,300	0	$0
2011-02	72,117	$190,088	49,740	$139,023	22,500	$26,100
2010-12	0	$0	57,013	$170,113	15,000	$17,400
2010-11	0	$0	58,671	$154,161	0	$0
2010-09	2,000	$2,944	0	$0	0	$0
2010-08	160,000	$237,730	0	$0	0	$0
2010-07	0	$0	0	$0	50,000	$22,000
2008-11	311,214	$185,223	0	$0	0	$0
2007-11	4,000	$16,315	0	$0	0	$0
2007-09	11,500	$55,064	0	$0	0	$0
2007-08	60,000	$297,300	0	$0	0	$0
2006-02	10,000	$75,200	0	$0	0	$0
2005-12	2,000	$9,440	0	$0	0	$0
2005-10	1,000	$4,320	0	$0	0	$0

Table 2. Detailed insider stock purchases, sales, and option exercises of *Axcelis Technologies Inc* insiders (*ACLS*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2018-03-14	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	3,478	26.52	92,236
2018-03-14	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	1,953	12.04	23,514
2018-03-14	Keithley Joseph P (Director)	Sale	4,000	26.75	107,000
2017-11-15	Kurtzweil John T (Director)	Sale	1,800	34.03	61,254
2017-11-14	Faubert Richard J (Director)	Sale	3,000	34.48	103,439
2017-11-13	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	44,640	34.04	1,519,545
2017-11-13	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	31,640	12.04	380,945
2017-11-08	Aldeborgh John E (EVP, Customer Operations)	Sale	87,500	33.22	2,906,750
2017-11-08	Aldeborgh John E (EVP, Customer Operations)	Option Ex	87,500	7.96	696,500
2017-11-07	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	1,953	33.09	64,624
2017-11-07	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	1,953	12.04	23,514
2017-11-07	Bintz William J (EVP, Product Development)	Sale	37,125	33.52	1,244,244
2017-11-07	Bintz William J (EVP, Product Development)	Option Ex	28,125	12.04	338,625
2017-11-07	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	56,250	32.91	1,851,468
2017-11-07	Fallon Lynnette C (Executive VP, HR/Legal)	Option Ex	56,250	7.18	403,875
2017-09-12	Bintz William J (EVP, Product Development)	Sale	12,500	22.57	282,125
2017-09-12	Bintz William J (EVP, Product Development)	Option Ex	12,500	7.20	90,000
2017-09-12	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	62,348	22.48	1,401,894
2017-09-12	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	62,348	6.80	423,966
2017-08-22	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	17,339	20.75	359,784
2017-08-22	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	17,339	7.20	124,840
2017-08-15	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	14,454	21.12	305,225
2017-08-15	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	14,454	9.07	131,054
2017-06-07	Keithley Joseph P (Director)	Sale	20,000	24.57	491,500
2017-06-07	Keithley Joseph P (Director)	Option Ex	20,000	7.58	151,600
2017-06-06	Bintz William J (EVP, Product Development)	Sale	75,000	23.39	1,754,250
2017-06-06	Bintz William J (EVP, Product Development)	Option Ex	75,000	7.96	597,000
2017-06-06	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	31,250	24.49	765,312
2017-06-06	Fallon Lynnette C (Executive VP, HR/Legal)	Option Ex	31,250	6.40	200,000
2017-05-31	Keithley Joseph P (Director)	Sale	20,000	21.64	432,700
2017-05-31	Keithley Joseph P (Director)	Option Ex	20,000	4.94	98,800
2017-05-26	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	56,250	21.92	1,233,000
2017-05-26	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	56,250	7.96	447,750
2017-05-25	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	37,500	21.96	823,500
2017-05-25	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	37,500	6.40	240,000
2017-05-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	12,117	21.18	256,638
2017-05-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	13,671	12.04	164,598
2017-05-16	Kurtzweil John T (Director)	Sale	900	21.65	19,485
2017-05-11	Puma Mary G (President and CEO)	Sale	62,500	21.01	1,313,125
2017-05-11	Puma Mary G (President and CEO)	Option Ex	62,500	4.64	290,000
2017-05-10	Bintz William J (EVP, Product Development)	Sale	22,669	21.00	476,049
2017-05-10	Bintz William J (EVP, Product Development)	Option Ex	22,669	7.20	163,216
2017-05-10	Aldeborgh John E (EVP, Customer Operations)	Option Ex	50,000	5.08	254,000
2017-05-10	Puma Mary G (President and CEO)	Sale	78,402	21.05	1,650,362
2017-05-10	Puma Mary G (President and CEO)	Option Ex	78,402	3.26	255,590
2017-05-09	Bintz William J (EVP, Product Development)	Sale	63,573	21.07	1,339,483
2017-05-09	Bintz William J (EVP, Product Development)	Option Ex	63,573	6.67	423,841
2017-05-09	Aldeborgh John E (EVP, Customer Operations)	Sale	50,000	21.04	1,052,000
2017-05-09	Puma Mary G (President and CEO)	Sale	46,598	21.09	982,751
2017-05-09	Puma Mary G (President and CEO)	Option Ex	46,598	2.80	130,474
2017-02-16	Bintz William J (EVP, Product Development)	Sale	20,250	16.02	324,506
2017-02-16	Bintz William J (EVP, Product Development)	Option Ex	20,250	5.52	111,779
2017-02-13	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	18,876	16.45	310,510
2017-02-13	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	18,876	3.72	70,218
2017-02-07	Bintz William J (EVP, Product Development)	Sale	11,508	16.34	188,040
2017-02-07	Bintz William J (EVP, Product Development)	Option Ex	11,508	6.40	73,651
2017-02-07	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	146	16.50	2,409
2017-02-07	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	146	3.72	543
2017-02-07	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	4,996	16.35	81,684
2017-02-07	Fallon Lynnette C (Executive VP, HR/Legal)	Option Ex	4,996	3.72	18,585
2017-02-06	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	15,625	16.47	257,406
2017-02-06	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	15,625	6.29	98,328
2017-02-06	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	49,728	16.58	824,390
2017-02-06	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	49,728	4.18	207,863
2017-02-06	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	32,504	16.50	536,348
2017-02-06	Fallon Lynnette C (Executive VP, HR/Legal)	Option Ex	32,504	3.72	120,914
2016-12-12	Lundberg Barbara J (Director)	Sale	7,000	13.65	95,550
2016-08-09	Bintz William J (EVP, Engineering and Marketing)	Sale	19,999	11.98	239,588
2016-08-09	Bintz William J (EVP, Engineering and Marketing)	Option Ex	19,999	4.18	83,595
2016-08-08	Bintz William J (EVP, Engineering and Marketing)	Sale	5,751	11.98	68,896
2016-08-08	Bintz William J (EVP, Engineering and Marketing)	Option Ex	5,751	4.18	24,039
2016-08-05	George Arthur L Jr (Director)	Buy	5,000	11.25	56,250
2016-05-09	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Buy	5,000	2.50	12,500
2016-05-06	Brewer Kevin J (EVP & Chief Financial Officer)	Buy	5,000	2.45	12,250
2015-11-16	Fallon Lynnette C (Executive VP, HR/Legal)	Buy	5,000	2.39	11,950
2015-11-10	Bintz William J (EVP, Engineering and Marketing)	Buy	5,000	2.35	11,750
2015-11-09	Aldeborgh John E (EVP, Customer Operations)	Buy	19,166	2.38	45,519
2015-11-09	Puma Mary G (Chairman, President and CEO)	Buy	40,000	2.35	94,200
2015-08-17	Kurtzweil John T (Director)	Buy	10,000	3.24	32,400
2015-08-11	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	20,498	3.29	67,540
2015-08-11	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	20,498	1.80	36,896
2015-08-10	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	52,002	3.31	171,866
2015-08-10	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	52,002	1.58	82,163
2015-08-10	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	53,993	3.31	178,716
2015-08-10	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	53,993	.70	37,795
2015-05-14	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	125,000	3.15	393,125
2015-05-14	Fallon Lynnette C (Executive VP, HR/Legal)	Option Ex	125,000	.70	87,500
2015-02-19	Brewer Kevin J (EVP & Chief Financial Officer)	Sale	71,007	2.79	198,464
2015-02-19	Brewer Kevin J (EVP & Chief Financial Officer)	Option Ex	71,007	.70	49,704
2015-02-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	57,912	2.74	158,620
2015-02-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	57,912	1.60	92,659
2015-02-18	Bintz William J (EVP, Engineering and Marketing)	Sale	27,832	2.77	77,094
2015-02-18	Bintz William J (EVP, Engineering and Marketing)	Option Ex	27,832	.93	25,883
2015-02-17	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	22,338	2.79	62,323
2015-02-17	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	25,838	1.79	46,379
2015-02-17	Bintz William J (EVP, Engineering and Marketing)	Sale	57,168	2.77	158,641
2015-02-17	Bintz William J (EVP, Engineering and Marketing)	Option Ex	57,168	.81	46,591
2014-11-19	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	30,252	2.13	64,436
2014-11-19	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	30,252	1.37	41,535
2014-11-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Sale	24,748	2.19	54,198
2014-11-18	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Option Ex	24,748	1.60	39,596
2014-11-10	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	15,000	2.10	31,500
2014-05-29	George Arthur L Jr (Director)	Buy	15,000	1.86	27,900
2014-05-28	George Arthur L Jr (Director)	Buy	5,000	1.81	9,050
2014-05-22	Fletcher R John (Director)	Buy	5,000	1.73	8,650
2014-05-19	Hardis Stephen R (Director)	Buy	30,000	1.58	47,550
2014-05-09	Lawson Douglas A. (EVP, Corporate Mktg & Strategy)	Buy	10,000	1.59	15,870
2014-02-14	Bintz William J (EVP, Engineering and Marketing)	Sale	90,000	2.15	193,500
2014-02-14	Bintz William J (EVP, Engineering and Marketing)	Option Ex	90,000	.70	62,999
2013-12-17	Bintz William J (EVP, Engineering and Marketing)	Sale	3,240	2.17	7,046
2013-12-17	Puma Mary G (Chairman, President and CEO)	Sale	12,550	2.17	27,208
2013-11-11	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	17,079	2.31	39,452
2013-09-17	Bintz William J (EVP, Prod. Dev., Eng. & Mktg)	Sale	3,136	2.25	7,056
2013-09-17	Puma Mary G (Chairman, President and CEO)	Sale	12,488	2.25	28,035
2013-08-15	Keithley Joseph P (Director)	Buy	25,000	1.97	49,250
2013-08-13	Thompson H Brian (Director)	Buy	10,000	1.99	19,900
2013-08-12	Thompson H Brian (Director)	Buy	5,000	1.96	9,800
2013-08-12	Hardis Stephen R (Director)	Buy	17,584	1.85	32,530
2013-08-09	Thompson H Brian (Director)	Buy	5,000	1.87	9,350
2013-08-09	Hardis Stephen R (Director)	Buy	6,564	1.85	12,143
2013-08-08	Jennings William C (Director)	Buy	10,000	1.85	18,550
2013-08-08	Fletcher R John (Director)	Buy	10,000	1.84	18,400
2013-06-18	Bintz William J (EVP, Prod. Dev., Eng. & Mktg)	Sale	3,065	1.76	5,409
2013-06-18	Puma Mary G (Chairman, President and CEO)	Sale	12,251	1.75	21,439
2013-03-18	Bintz William J (EVP, Prod. Dev., Eng. & Mktg)	Sale	3,823	1.21	4,625
2013-03-18	Puma Mary G (Chairman, President and CEO)	Sale	14,573	1.21	17,633
2013-02-12	Brewer Kevin J (EVP, Global Operations)	Sale	8,500	1.30	11,050
2012-05-25	Jennings William C (Director)	Buy	5,000	1.04	5,200
2012-05-25	Fletcher R John (Director)	Buy	5,000	1.04	5,200
2012-05-24	Bintz William J (EVP, Prod. Dev., Eng. & Mktg)	Buy	9,000	1.04	9,360
2012-05-24	Fallon Lynnette C (Executive VP, HR/Legal)	Buy	5,000	1.03	5,175
2012-05-24	Thompson H Brian (Director)	Buy	20,000	1.00	20,000
2012-05-24	Keithley Joseph P (Director)	Buy	5,000	1.01	5,050
2012-05-23	Puma Mary G (Chairman, President and CEO)	Buy	20,000	.99	19,800
2012-05-23	Hardis Stephen R (Director)	Buy	50,000	.99	49,500
2012-03-08	Braun Edward H (Director)	Buy	10,000	1.56	15,650
2012-02-13	Flynn Matthew P (EVP, Customer Operations)	Sale	15,000	1.66	24,900
2012-02-10	Flynn Matthew P (EVP, Customer Operations)	Sale	14,000	1.70	23,800
2012-02-10	Keithley Joseph P (Director)	Buy	10,000	1.70	17,000
2012-02-07	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	20,000	1.78	35,600
2011-02-17	Fletcher R John (Director)	Buy	10,000	2.85	28,490
2011-02-08	Wild Geoffrey (Director)	Buy	7,117	2.81	19,998
2011-02-08	Flynn Matthew P (EVP, Customer Operations)	Sale	49,740	2.79	139,023
2011-02-08	Flynn Matthew P (EVP, Customer Operations)	Option Ex	22,500	1.16	26,100
2011-02-04	Jennings William C (Director)	Buy	10,000	2.72	27,200
2011-02-04	Zager Jay (CFO and EVP)	Buy	10,000	2.50	25,000
2011-02-04	Puma Mary G (Chairman, President and CEO)	Buy	10,000	2.64	26,400
2011-02-04	Hardis Stephen R (Director)	Buy	25,000	2.52	63,000
2010-12-16	Bintz William J (Senior VP, Marketing)	Sale	10,000	3.38	33,750
2010-12-09	Flynn Matthew P (EVP, Customer Operations)	Sale	15,000	3.11	46,650
2010-12-09	Flynn Matthew P (EVP, Customer Operations)	Option Ex	15,000	1.16	17,400
2010-12-09	Brewer Kevin J (EVP, Operations)	Sale	9,559	3.01	28,743
2010-12-07	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	10,071	2.85	28,651
2010-12-02	Brewer Kevin J (EVP, Operations)	Sale	12,383	2.61	32,319
2010-11-30	Flynn Matthew P (EVP, Customer Operations)	Sale	12,500	2.51	31,374
2010-11-22	Brewer Kevin J (EVP, Operations)	Sale	1,100	2.68	2,948
2010-11-19	Fallon Lynnette C (Executive VP, HR/Legal)	Sale	10,071	2.67	26,939
2010-11-11	Bintz William J (Senior VP, Marketing)	Sale	20,000	2.68	53,600
2010-11-08	Flynn Matthew P (EVP, Customer Operations)	Sale	15,000	2.62	39,300
2010-09-07	Thompson H Brian (Director)	Buy	2,000	1.47	2,944
2010-08-31	Hardis Stephen R (Director)	Buy	50,000	1.35	67,500
2010-08-19	Hardis Stephen R (Director)	Buy	50,000	1.52	76,000
2010-08-13	Jennings William C (Director)	Buy	10,000	1.60	15,980
2010-08-11	Hardis Stephen R (Director)	Buy	50,000	1.56	78,250
2010-07-27	Hardis Stephen R (Director)	Option Ex	50,000	.44	22,000
2008-11-13	Thompson H Brian (Director)	Buy	25,000	.58	14,599
2008-11-12	Fallon Lynnette C (Executive VP, HR/Legal)	Buy	3,000	.57	1,718
2008-11-07	Bintz William J (Senior VP, Marketing)	Buy	14,000	.66	9,296
2008-11-07	Puma Mary G (Chairman, President and CEO)	Buy	40,000	.65	25,960
2008-11-06	Halterman Craig M (Senior VP and CIO)	Buy	21,214	.52	10,946
2008-11-06	Fallon Lynnette C (Executive VP, HR/Legal)	Buy	8,000	.51	4,104
2008-11-06	Hardis Stephen R (Director)	Buy	200,000	.59	118,600
2007-11-06	Fallon Lynnette C (Executive VP, HR/Legal)	Buy	4,000	4.08	16,315
2007-09-11	Namaroff Mark J (Senior VP Strategic Marketing)	Buy	1,500	4.91	7,365
2007-09-05	Puma Mary G (Chairman, President and CEO)	Buy	10,000	4.77	47,699
2007-08-24	Fletcher R John (Director)	Buy	10,000	4.88	48,800
2007-08-09	Hardis Stephen R (Director)	Buy	50,000	4.97	248,500
2006-02-14	Pond Kirk P (Director)	Buy	10,000	7.52	75,200
2005-12-15	Levine Marc S (Sr VP Product Develo)	Buy	2,000	4.72	9,440
2005-10-31	Fallon Lynnette C (Executive VP, HR/Leg)	Buy	1,000	4.32	4,320

Insider trading activities including stock purchases, stock sales, and option exercises of ACLS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Axcelis Technologies Inc (symbol ACLS, CIK number 1113232) see the Securities and Exchange Commission (SEC) website.