| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ATRO | Executive Vice President | Sep 30, 2021 | Option Exercise | $6.73 | 3,157 | 21,247 | 53,673 | Oct 01, 2021, 04:29 PM |
| ATRO | Executive Vice President | Mar 17, 2021 | Option Exercise | $18.65 | 416 | 7,758 | 50,516 | Mar 19, 2021, 04:29 PM |
| ATRO | Executive Vice President | Nov 24, 2020 | Option Exercise | $8.74 | 15,164 | 132,460 | 402,962 | Nov 27, 2020, 04:15 PM |
| ATRO | Executive Vice President | Feb 22, 2019 | Option Exercise | $35.47 | 2,607 | 92,470 | 48,775 | Feb 25, 2019, 04:44 PM |
| ATRO | Executive Vice President | Feb 22, 2019 | Option Exercise | $2.84 | 32,553 | 92,451 | 395,261 | Feb 25, 2019, 04:44 PM |
| ATRO | Executive Vice President | Nov 21, 2018 | Sale | $30.06 | 3,200 | 96,186 | 39,632 | Nov 21, 2018, 04:05 PM |
| ATRO | Executive Vice President | Sep 30, 2018 | Option Exercise | $25.63 | 829 | 21,247 | 42,832 | Oct 01, 2018, 04:41 PM |
| ATRO | Executive Vice President | Aug 22, 2018 | Sale | $46.02 | 11,800 | 543,036 | 42,003 | Aug 23, 2018, 04:29 PM |
| ATRO | Executive Vice President | Jan 03, 2018 | Option Exercise | $3.27 | 28,427 | 92,956 | 320,029 | Jan 05, 2018, 04:58 PM |
| ATRO | Executive Vice President | May 15, 2017 | Option Exercise | $18.48 | 8,661 | 160,034 | 304,000 | May 16, 2017, 05:31 PM |
| ATRO | Executive Vice President | Nov 14, 2016 | Option Exercise | $34.91 | 1,238 | 43,219 | 42,003 | Nov 15, 2016, 04:47 PM |
| ATRO | Executive Vice President | Nov 14, 2016 | Option Exercise | $5.76 | 7,500 | 43,200 | 299,957 | Nov 15, 2016, 04:47 PM |
| ATRO | Executive Vice President | Sep 30, 2016 | Option Exercise | $28.82 | 738 | 21,269 | 248,671 | Oct 03, 2016, 04:22 PM |
| ATRO | Executive Vice President | Jun 01, 2016 | Sale | $38.12 | 3,000 | 114,360 | 42,600 | Jun 02, 2016, 04:09 PM |
| ATRO | VP Luminescent Systems, Inc. | Mar 03, 2016 | Sale | $35.39 | 4,030 | 142,622 | 45,600 | Mar 04, 2016, 04:16 PM |
| ATRO | VP Luminescent Systems, Inc. | Nov 30, 2015 | Sale | $38.52 | 6,000 | 231,120 | 46,387 | Dec 01, 2015, 02:55 PM |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2015 | Option Exercise | $39.22 | 541 | 21,218 | 52,387 | Oct 01, 2015, 04:42 PM |
| ATRO | VP Luminescent Systems, Inc. | Aug 27, 2015 | Sale | $51.71 | 6,000 | 310,260 | 51,846 | Aug 28, 2015, 12:02 PM |
| ATRO | VP Luminescent Systems, Inc. | Jun 10, 2015 | Sale | $70.68 | 3,100 | 219,108 | 57,846 | Jun 11, 2015, 12:38 PM |
| ATRO | VP Luminescent Systems, Inc. | Mar 18, 2015 | Sale | $73.38 | 4,550 | 333,879 | 60,946 | Mar 19, 2015, 11:30 AM |
| ATRO | VP Luminescent Systems, Inc. | Feb 02, 2015 | Sale | $54.43 | 3,000 | 163,290 | 65,496 | Feb 03, 2015, 03:19 PM |
| ATRO | VP Luminescent Systems, Inc. | Jan 06, 2015 | Sale | $54.38 | 3,000 | 163,140 | 68,496 | Jan 07, 2015, 04:33 PM |
| ATRO | VP Luminescent Systems, Inc. | Jan 02, 2015 | Option Exercise | $55.27 | 1,856 | 102,581 | 71,496 | Jan 05, 2015, 05:15 PM |
| ATRO | VP Luminescent Systems, Inc. | Jan 02, 2015 | Option Exercise | $3.56 | 28,774 | 102,573 | 209,318 | Jan 05, 2015, 05:15 PM |
| ATRO | VP Luminescent Systems, Inc. | Nov 03, 2014 | Sale | $49.89 | 3,000 | 149,681 | 62,702 | Nov 04, 2014, 05:31 PM |
| ATRO | VP Luminescent Systems, Inc. | Oct 03, 2014 | Option Exercise | $29.30 | 725 | 21,242 | 191,194 | Oct 07, 2014, 05:04 PM |
| ATRO | VP Luminescent Systems, Inc. | Sep 02, 2014 | Sale | $63.73 | 3,000 | 191,190 | 66,699 | Sep 03, 2014, 04:54 PM |
| ATRO | VP Luminescent Systems, Inc. | Jul 16, 2014 | Option Exercise | $6.45 | 4,467 | 28,829 | 69,699 | Jul 17, 2014, 03:28 PM |
| ATRO | VP Luminescent Systems, Inc. | Jul 16, 2014 | Sale | $54.40 | 3,000 | 163,200 | 65,766 | Jul 17, 2014, 03:28 PM |
| ATRO | VP Luminescent Systems, Inc. | Jun 02, 2014 | Sale | $53.92 | 3,000 | 161,760 | 68,766 | Jun 03, 2014, 04:27 PM |
| ATRO | VP Luminescent Systems, Inc. | May 01, 2014 | Sale | $57.02 | 6,000 | 342,120 | 71,766 | May 02, 2014, 04:20 PM |
| ATRO | VP Luminescent Systems, Inc. | Apr 03, 2014 | Option Exercise | $5.14 | 20,578 | 105,772 | 148,027 | Apr 04, 2014, 05:14 PM |
| ATRO | VP Luminescent Systems, Inc. | Apr 01, 2014 | Sale | $63.15 | 6,000 | 378,919 | 68,210 | Apr 02, 2014, 04:45 PM |
| ATRO | VP Luminescent Systems, Inc. | Feb 17, 2014 | Option Exercise | $5.51 | 18,705 | 103,134 | 138,693 | Feb 19, 2014, 04:46 PM |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2013 | Option Exercise | $22.76 | 934 | 21,258 | 97,434 | Oct 02, 2013, 05:09 PM |
| ATRO | VP Luminescent Systems, Inc. | Jan 04, 2013 | Option Exercise | $5.90 | 9,865 | 58,243 | 97,312 | Jan 07, 2013, 04:58 PM |
| ATRO | VP Luminescent Systems, Inc. | Oct 01, 2012 | Option Exercise | $23.76 | 895 | 21,265 | 61,622 | Oct 01, 2012, 03:20 PM |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2011 | Option Exercise | $13.75 | 1,546 | 21,258 | 73,821 | Oct 03, 2011, 04:41 PM |
| ATRO | VP Luminescent Systems, Inc. | Aug 23, 2011 | Sale | $25.35 | 2,711 | 68,724 | 59,822 | Aug 25, 2011, 01:37 PM |
| ATRO | VP Luminescent Systems, Inc. | Aug 22, 2011 | Sale | $25.36 | 1,600 | 40,576 | 62,533 | Aug 24, 2011, 02:38 PM |
| ATRO | VP Luminescent Systems, Inc. | Aug 19, 2011 | Sale | $25.32 | 5,546 | 140,425 | 64,133 | Aug 23, 2011, 11:50 AM |
| ATRO | VP Luminescent Systems, Inc. | Aug 18, 2011 | Sale | $25.00 | 143 | 3,575 | 69,679 | Aug 22, 2011, 01:49 PM |
| ATRO | VP Luminescent Systems, Inc. | May 06, 2011 | Sale | $25.79 | 5,000 | 128,950 | 69,822 | May 09, 2011, 01:32 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ATRO | Executive Vice President | Sep 30, 2021 | Option Exercise | 21,247 |
| ATRO | Executive Vice President | Mar 17, 2021 | Option Exercise | 7,758 |
| ATRO | Executive Vice President | Nov 24, 2020 | Option Exercise | 132,460 |
| ATRO | Executive Vice President | Feb 22, 2019 | Option Exercise | 92,470 |
| ATRO | Executive Vice President | Feb 22, 2019 | Option Exercise | 92,451 |
| ATRO | Executive Vice President | Nov 21, 2018 | Sale | 96,186 |
| ATRO | Executive Vice President | Sep 30, 2018 | Option Exercise | 21,247 |
| ATRO | Executive Vice President | Aug 22, 2018 | Sale | 543,036 |
| ATRO | Executive Vice President | Jan 03, 2018 | Option Exercise | 92,956 |
| ATRO | Executive Vice President | May 15, 2017 | Option Exercise | 160,034 |
| ATRO | Executive Vice President | Nov 14, 2016 | Option Exercise | 43,219 |
| ATRO | Executive Vice President | Nov 14, 2016 | Option Exercise | 43,200 |
| ATRO | Executive Vice President | Sep 30, 2016 | Option Exercise | 21,269 |
| ATRO | Executive Vice President | Jun 01, 2016 | Sale | 114,360 |
| ATRO | VP Luminescent Systems, Inc. | Mar 03, 2016 | Sale | 142,622 |
| ATRO | VP Luminescent Systems, Inc. | Nov 30, 2015 | Sale | 231,120 |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2015 | Option Exercise | 21,218 |
| ATRO | VP Luminescent Systems, Inc. | Aug 27, 2015 | Sale | 310,260 |
| ATRO | VP Luminescent Systems, Inc. | Jun 10, 2015 | Sale | 219,108 |
| ATRO | VP Luminescent Systems, Inc. | Mar 18, 2015 | Sale | 333,879 |
| ATRO | VP Luminescent Systems, Inc. | Feb 02, 2015 | Sale | 163,290 |
| ATRO | VP Luminescent Systems, Inc. | Jan 06, 2015 | Sale | 163,140 |
| ATRO | VP Luminescent Systems, Inc. | Jan 02, 2015 | Option Exercise | 102,581 |
| ATRO | VP Luminescent Systems, Inc. | Jan 02, 2015 | Option Exercise | 102,573 |
| ATRO | VP Luminescent Systems, Inc. | Nov 03, 2014 | Sale | 149,681 |
| ATRO | VP Luminescent Systems, Inc. | Oct 03, 2014 | Option Exercise | 21,242 |
| ATRO | VP Luminescent Systems, Inc. | Sep 02, 2014 | Sale | 191,190 |
| ATRO | VP Luminescent Systems, Inc. | Jul 16, 2014 | Option Exercise | 28,829 |
| ATRO | VP Luminescent Systems, Inc. | Jul 16, 2014 | Sale | 163,200 |
| ATRO | VP Luminescent Systems, Inc. | Jun 02, 2014 | Sale | 161,760 |
| ATRO | VP Luminescent Systems, Inc. | May 01, 2014 | Sale | 342,120 |
| ATRO | VP Luminescent Systems, Inc. | Apr 03, 2014 | Option Exercise | 105,772 |
| ATRO | VP Luminescent Systems, Inc. | Apr 01, 2014 | Sale | 378,919 |
| ATRO | VP Luminescent Systems, Inc. | Feb 17, 2014 | Option Exercise | 103,134 |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2013 | Option Exercise | 21,258 |
| ATRO | VP Luminescent Systems, Inc. | Jan 04, 2013 | Option Exercise | 58,243 |
| ATRO | VP Luminescent Systems, Inc. | Oct 01, 2012 | Option Exercise | 21,265 |
| ATRO | VP Luminescent Systems, Inc. | Sep 30, 2011 | Option Exercise | 21,258 |
| ATRO | VP Luminescent Systems, Inc. | Aug 23, 2011 | Sale | 68,724 |
| ATRO | VP Luminescent Systems, Inc. | Aug 22, 2011 | Sale | 40,576 |
| ATRO | VP Luminescent Systems, Inc. | Aug 19, 2011 | Sale | 140,425 |
| ATRO | VP Luminescent Systems, Inc. | Aug 18, 2011 | Sale | 3,575 |
| ATRO | VP Luminescent Systems, Inc. | May 06, 2011 | Sale | 128,950 |