United States Homebuilding & Construction Supplies

Armstrong World Industries Inc (AWI)

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Track

Armstrong World Industries Inc has seen no insider trading activity within the last three months. The most recent transaction occurred on February 27, 2026, involving a purchase by Roy W. Templin. Prior historical filings indicate various sales and proposed divestments by company leadership and directors over preceding periods.
Ticker: AWI Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
0.9
TEMPLIN ROY W Non-Executive Director
Transaction date
Purchase
Price
477.00
Quantity 71,127 +19.8%
Value US$1,256,982
Thomas Cherryl T Former Director Non-Executive Director
Transaction date
Proposed sale
Price
58.98
Quantity 39,403
Value US$2,787,066
2.5
Osborne William H Non-Executive Director
Transaction date
Sale
Price
172.61
Quantity 67,074 -44.1%
Value US$2,506,904
2.5
Osborne William H Director Non-Executive Director
Transaction date
Proposed sale
Price
188.78
Quantity 100
Value US$18,878
Thomas Cherryl T Former Director Non-Executive Director
Transaction date
Proposed sale
Price
189.13
Quantity 500
Value US$94,564
JAMES C MELVILLE Director Non-Executive Director
Transaction date
Proposed sale
Price
122.51
Quantity 10,332
Value US$1,265,775
JAMES C MELVILLE Director Non-Executive Director
Transaction date
Proposed sale
Price
121.70
Quantity 5,405
Value US$657,793
JAMES C MELVILLE Director Non-Executive Director
Transaction date
Proposed sale
Price
126.01
Quantity 10,000
Value US$1,260,075
1.5
Kirchner-King Dawn M. SVP Human Resources Officer
Transaction date
Sale
Price
131.49
Quantity 364 -100.0%
Value US$47,862
1.5
Kirchner-King Dawn M. Officer Officer
Transaction date
Proposed sale
Price
131.49
Quantity 364
Value US$47,862
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
99.02
Quantity 22,914 -6.4%
Value US$2,268,866
Grizzle Victor Officer; Director Executive Director
Transaction date
Proposed sale
Price
99.29
Quantity 22,914
Value US$2,275,131
Hershey Mark A SVP Americas Officer
Transaction date
Planned sale
Price
80.14
Quantity 6,835 -15.2%
Value US$547,757
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
68.83
Quantity 25,689 -7.2%
Value US$1,768,151
Hershey Mark A SVP Americas Officer
Transaction date
Planned sale
Price
95.11
Quantity 1,365 -2.9%
Value US$129,825
0.9
Romano Ellen R. SVP, Human Resources Officer
Transaction date
Planned sale
Price
95.00
Quantity 1,000 -7.2%
Value US$95,000
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
113.65
Quantity 700 -0.2%
Value US$79,558
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
112.75
Quantity 5,769 -1.8%
Value US$650,447
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
111.66
Quantity 4,970 -1.6%
Value US$554,929
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
110.65
Quantity 19,909 -5.9%
Value US$2,202,907
0.9
Romano Ellen R. SVP, Human Resources Officer
Transaction date
Planned sale
Price
108.00
Quantity 3,000 -17.8%
Value US$324,000
MacNeal Brian L CFO Officer
Transaction date
Planned sale
Price
103.86
Quantity 5,000 -9.2%
Value US$519,300
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
105.88
Quantity 200 -0.4%
Value US$21,176
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
105.24
Quantity 3,042 -6.3%
Value US$320,150
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
104.37
Quantity 1,656 -3.3%
Value US$172,830
0.9
Romano Ellen R. SVP, Human Resources Officer
Transaction date
Planned sale
Price
97.00
Quantity 2,000 -10.6%
Value US$194,000
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
89.46
Quantity 6,649 -29.9%
Value US$594,786
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
87.47
Quantity 979 -4.2%
Value US$85,636
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
86.65
Quantity 4,634 -16.6%
Value US$401,520
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
85.83
Quantity 3,532 -11.3%
Value US$303,153
0.9
Romano Ellen R. SVP, Human Resources Officer
Transaction date
Planned sale
Price
92.00
Quantity 2,000 -11.3%
Value US$184,000
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
91.62
Quantity 100 -0.6%
Value US$9,162
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
90.76
Quantity 726 -4.4%
Value US$65,889
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
89.49
Quantity 1,219 -6.9%
Value US$109,088
1.4
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
88.07
Quantity 9,798 -35.7%
Value US$862,958
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
85.00
Quantity 4,897 -10.0%
Value US$416,245
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
78.67
Quantity 700 -0.3%
Value US$55,070
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
77.95
Quantity 5,802 -2.1%
Value US$452,275
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
76.92
Quantity 12,656 -4.4%
Value US$973,492
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
78.03
Quantity 20,094 -7.0%
Value US$1,567,991
Grizzle Victor CEO Executive Director
Transaction date
Planned sale
Price
78.90
Quantity 11,106 -3.7%
Value US$876,301
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
80.00
Quantity 33,423 -42.9%
Value US$2,673,840
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
80.04
Quantity 300 -0.7%
Value US$24,013
3.1
Chiappone Charles M SVP, Ceiling Solutions Officer
Transaction date
Planned sale
Price
74.05
Quantity 5,546 -17.2%
Value US$410,687
3.1
Chiappone Charles M SVP, Ceiling Solutions Officer
Transaction date
Planned sale
Price
73.33
Quantity 854 -2.6%
Value US$62,620
3.1
Chiappone Charles M SVP, Ceiling Solutions Officer
Transaction date
Planned sale
Price
101.52
Quantity 15,865 -39.1%
Value US$1,610,631
0.9
Romano Ellen R. SVP, Human Resources
Transaction date
Sale
Price
88.21
Quantity 6,500 -42.2%
Value US$573,358
3.3
ValueAct Holdings, L.P. See Remarks Non-Executive Director
Transaction date
Sale
Price
86.88
Quantity 63,910 -100.0%
Value US$5,552,501
1.4
McNamara Stephen F Vice President and Controller
Transaction date
Sale
Price
87.26
Quantity 7,778 -42.6%
Value US$678,708
3.3
ValueAct Holdings, L.P. See Remarks Non-Executive Director
Transaction date
Sale
Price
73.25
Quantity 456,000 -87.7%
Value US$33,402,000
3.3
ValueAct Holdings, L.P. See Remarks Non-Executive Director
Transaction date
Sale
Price
73.69
Quantity 1,725,000 -76.8%
Value US$127,115,250
ValueAct Holdings, L.P. See Remarks Non-Executive Director
Transaction date
Sale
Price
68.15
Quantity 2,980,000 -57.0%
Value US$203,087,000
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
70.45
Quantity 255 -1.3%
Value US$17,965
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
70.04
Quantity 2,217 -10.5%
Value US$155,272
Hershey Mark A SVP, Gen Cnsl, Compliance Officer
Transaction date
Planned sale
Price
70.03
Quantity 33,301 -63.8%
Value US$2,331,913
ValueAct Holdings, L.P. See Remarks Non-Executive Director Large shareholder
Transaction date
Sale
Price
70.03
Quantity 100,000 -1.9%
Value US$7,003,000
ValueAct Holdings, L.P. See Remarks Non-Executive Director Large shareholder
Transaction date
Sale
Price
70.11
Quantity 30,000 -0.6%
Value US$2,103,300
ValueAct Holdings, L.P. See Remarks Non-Executive Director Large shareholder
Transaction date
Sale
Price
69.20
Quantity 1,500,000 -21.9%
Value US$103,800,000
Cookson David S SVP, Americas Officer
Transaction date
Planned sale
Price
63.00
Quantity 7,706 -27.0%
Value US$485,478
Cookson David S SVP, Americas Officer
Transaction date
Planned sale
Price
63.00
Quantity 7,218 -25.7%
Value US$454,734
Cookson David S SVP, Americas Officer
Transaction date
Planned sale
Price
63.00
Quantity 12,412 -37.3%
Value US$781,956
ValueAct Holdings, L.P. See Remarks Large shareholder
Transaction date
Sale
Price
59.60
Quantity 2,350,000 -25.5%
Value US$140,060,000
Romano Ellen R. SVP, Human Resources
Transaction date
Sale
Price
54.68
Quantity 33,087 -82.0%
Value US$1,809,197
TEMPLIN ROY W Non-Executive Director
Transaction date
Purchase
Price
37.16
Quantity 2,670 +124.4%
Value US$99,221
McNamara Stephen F Vice President and Controller Officer
Transaction date
Planned sale
Price
45.00
Quantity 2,274 -43.4%
Value US$102,330
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
60.15
Quantity 2,000 -58.5%
Value US$120,300
Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust Large shareholder
Transaction date
Sale
Price
56.03
Quantity 1,541,940 -22.7%
Value US$86,394,898
McNamara Stephen F Vice President and Controller Officer
Transaction date
Sale
Price
56.94
Quantity 906 -39.0%
Value US$51,588
Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust Large shareholder
Transaction date
Sale
Price
55.40
Quantity 2,739,944 -28.7%
Value US$151,792,898
McNamara Stephen F Vice President and Controller Officer
Transaction date
Planned sale
Price
53.65
Quantity 4,881 -75.0%
Value US$261,866
ValueAct Holdings, L.P. Large shareholder
Transaction date
Purchase
Price
48.73
Quantity 275,000 +3.1%
Value US$13,400,750
ValueAct Holdings, L.P. Large shareholder
Transaction date
Purchase
Price
49.24
Quantity 500,000 +5.9%
Value US$24,620,000
ValueAct Holdings, L.P. Large shareholder
Transaction date
Purchase
Price
49.28
Quantity 225,000 +2.7%
Value US$11,088,000
McNamara Stephen F Vice President and Controller Officer
Transaction date
Planned sale
Price
54.54
Quantity 5,000 -75.4%
Value US$272,700
McNamara Stephen F Vice President and Controller Officer
Transaction date
Planned sale
Price
53.15
Quantity 5,000 -75.4%
Value US$265,750
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-02 2026-02-27 B Purchase
0.9
TEMPLIN ROY W
Non-Executive Director
71,127 +19.8%
477.00
US$1,256,982 		71,127 +19.8% 477.00 US$1,256,982
2025-09-11 2025-09-11 PrS Proposed sale
Thomas Cherryl T

Former Director

Non-Executive Director
39,403
58.98
US$2,787,066 		39,403 58.98 US$2,787,066
2025-08-11 2025-08-08 S Sale
2.5
Osborne William H
Non-Executive Director
67,074 -44.1%
172.61
US$2,506,904 		67,074 -44.1% 172.61 US$2,506,904
2025-08-08 2025-08-08 PrS Proposed sale
2.5
Osborne William H

Director

Non-Executive Director
100
188.78
US$18,878 		100 188.78 US$18,878
2025-08-04 2025-08-04 PrS Proposed sale
Thomas Cherryl T

Former Director

Non-Executive Director
500
189.13
US$94,564 		500 189.13 US$94,564
2024-08-06 2024-08-06 PrS Proposed sale
JAMES C MELVILLE

Director

Non-Executive Director
10,332
122.51
US$1,265,775 		10,332 122.51 US$1,265,775
2024-08-05 2024-08-05 PrS Proposed sale
JAMES C MELVILLE

Director

Non-Executive Director
5,405
121.70
US$657,793 		5,405 121.70 US$657,793
2024-08-02 2024-08-02 PrS Proposed sale
JAMES C MELVILLE

Director

Non-Executive Director
10,000
126.01
US$1,260,075 		10,000 126.01 US$1,260,075
2024-08-05 2024-08-01 S Sale
1.5
Kirchner-King Dawn M.

SVP Human Resources

Officer
364 -100.0%
131.49
US$47,862 		364 -100.0% 131.49 US$47,862
2024-08-01 2024-08-01 PrS Proposed sale
1.5
Kirchner-King Dawn M.

Officer

Officer
364
131.49
US$47,862 		364 131.49 US$47,862
2023-12-29 2023-12-28 PlS Planned sale
Grizzle Victor

CEO

Executive Director
22,914 -6.4%
99.02
US$2,268,866 		22,914 -6.4% 99.02 US$2,268,866
2023-12-28 2023-12-28 PrS Proposed sale
Grizzle Victor

Officer; Director

Executive Director
22,914
99.29
US$2,275,131 		22,914 99.29 US$2,275,131
2023-02-02 2023-02-01 PlS Planned sale
Hershey Mark A

SVP Americas

Officer
6,835 -15.2%
80.14
US$547,757 		6,835 -15.2% 80.14 US$547,757
2022-12-28 2022-12-27 PlS Planned sale
Grizzle Victor

CEO

Executive Director
25,689 -7.2%
68.83
US$1,768,151 		25,689 -7.2% 68.83 US$1,768,151
2022-04-21 2022-04-21 PlS Planned sale
Hershey Mark A

SVP Americas

Officer
1,365 -2.9%
95.11
US$129,825 		1,365 -2.9% 95.11 US$129,825
2022-03-22 2022-03-21 PlS Planned sale
0.9
Romano Ellen R.

SVP, Human Resources

Officer
1,000 -7.2%
95.00
US$95,000 		1,000 -7.2% 95.00 US$95,000
2021-12-17 2021-12-16 PlS Planned sale
Grizzle Victor

CEO

Executive Director
700 -0.2%
113.65
US$79,558 		700 -0.2% 113.65 US$79,558
2021-12-17 2021-12-16 PlS Planned sale
Grizzle Victor

CEO

Executive Director
5,769 -1.8%
112.75
US$650,447 		5,769 -1.8% 112.75 US$650,447
2021-12-17 2021-12-16 PlS Planned sale
Grizzle Victor

CEO

Executive Director
4,970 -1.6%
111.66
US$554,929 		4,970 -1.6% 111.66 US$554,929
2021-12-17 2021-12-16 PlS Planned sale
Grizzle Victor

CEO

Executive Director
19,909 -5.9%
110.65
US$2,202,907 		19,909 -5.9% 110.65 US$2,202,907
2021-06-16 2021-06-15 PlS Planned sale
0.9
Romano Ellen R.

SVP, Human Resources

Officer
3,000 -17.8%
108.00
US$324,000 		3,000 -17.8% 108.00 US$324,000
2021-05-04 2021-05-03 PlS Planned sale
MacNeal Brian L

CFO

Officer
5,000 -9.2%
103.86
US$519,300 		5,000 -9.2% 103.86 US$519,300
2021-05-04 2021-05-03 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
200 -0.4%
105.88
US$21,176 		200 -0.4% 105.88 US$21,176
2021-05-04 2021-05-03 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
3,042 -6.3%
105.24
US$320,150 		3,042 -6.3% 105.24 US$320,150
2021-05-04 2021-05-03 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
1,656 -3.3%
104.37
US$172,830 		1,656 -3.3% 104.37 US$172,830
2021-04-19 2021-04-16 PlS Planned sale
0.9
Romano Ellen R.

SVP, Human Resources

Officer
2,000 -10.6%
97.00
US$194,000 		2,000 -10.6% 97.00 US$194,000
2021-03-09 2021-03-08 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
6,649 -29.9%
89.46
US$594,786 		6,649 -29.9% 89.46 US$594,786
2021-03-09 2021-03-08 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
979 -4.2%
87.47
US$85,636 		979 -4.2% 87.47 US$85,636
2021-03-09 2021-03-08 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
4,634 -16.6%
86.65
US$401,520 		4,634 -16.6% 86.65 US$401,520
2021-03-09 2021-03-08 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
3,532 -11.3%
85.83
US$303,153 		3,532 -11.3% 85.83 US$303,153
2021-03-09 2021-03-08 PlS Planned sale
0.9
Romano Ellen R.

SVP, Human Resources

Officer
2,000 -11.3%
92.00
US$184,000 		2,000 -11.3% 92.00 US$184,000
2021-02-26 2021-02-25 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
100 -0.6%
91.62
US$9,162 		100 -0.6% 91.62 US$9,162
2021-02-26 2021-02-25 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
726 -4.4%
90.76
US$65,889 		726 -4.4% 90.76 US$65,889
2021-02-26 2021-02-25 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
1,219 -6.9%
89.49
US$109,088 		1,219 -6.9% 89.49 US$109,088
2021-02-26 2021-02-25 S Sale
1.4
McNamara Stephen F

Vice President and Controller

Officer
9,798 -35.7%
88.07
US$862,958 		9,798 -35.7% 88.07 US$862,958
2021-01-15 2021-01-14 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
4,897 -10.0%
85.00
US$416,245 		4,897 -10.0% 85.00 US$416,245
2020-12-18 2020-12-17 PlS Planned sale
Grizzle Victor

CEO

Executive Director
700 -0.3%
78.67
US$55,070 		700 -0.3% 78.67 US$55,070
2020-12-18 2020-12-17 PlS Planned sale
Grizzle Victor

CEO

Executive Director
5,802 -2.1%
77.95
US$452,275 		5,802 -2.1% 77.95 US$452,275
2020-12-18 2020-12-17 PlS Planned sale
Grizzle Victor

CEO

Executive Director
12,656 -4.4%
76.92
US$973,492 		12,656 -4.4% 76.92 US$973,492
2020-12-16 2020-12-15 PlS Planned sale
Grizzle Victor

CEO

Executive Director
20,094 -7.0%
78.03
US$1,567,991 		20,094 -7.0% 78.03 US$1,567,991
2020-12-16 2020-12-15 PlS Planned sale
Grizzle Victor

CEO

Executive Director
11,106 -3.7%
78.90
US$876,301 		11,106 -3.7% 78.90 US$876,301
2020-12-04 2020-12-03 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
33,423 -42.9%
80.00
US$2,673,840 		33,423 -42.9% 80.00 US$2,673,840
2020-11-25 2020-11-24 PlS Planned sale
Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
300 -0.7%
80.04
US$24,013 		300 -0.7% 80.04 US$24,013
2020-09-03 2020-09-01 PlS Planned sale
3.1
Chiappone Charles M

SVP, Ceiling Solutions

Officer
5,546 -17.2%
74.05
US$410,687 		5,546 -17.2% 74.05 US$410,687
2020-09-03 2020-09-01 PlS Planned sale
3.1
Chiappone Charles M

SVP, Ceiling Solutions

Officer
854 -2.6%
73.33
US$62,620 		854 -2.6% 73.33 US$62,620
2020-03-03 2020-03-02 PlS Planned sale
3.1
Chiappone Charles M

SVP, Ceiling Solutions

Officer
15,865 -39.1%
101.52
US$1,610,631 		15,865 -39.1% 101.52 US$1,610,631
2019-05-08 2019-05-06 S Sale
0.9
Romano Ellen R.

SVP, Human Resources
6,500 -42.2%
88.21
US$573,358 		6,500 -42.2% 88.21 US$573,358
2019-05-03 2019-05-01 S Sale
3.3
ValueAct Holdings, L.P.

See Remarks

Non-Executive Director
63,910 -100.0%
86.88
US$5,552,501 		63,910 -100.0% 86.88 US$5,552,501
2019-05-02 2019-05-01 S Sale
1.4
McNamara Stephen F

Vice President and Controller
7,778 -42.6%
87.26
US$678,708 		7,778 -42.6% 87.26 US$678,708
2019-03-13 2019-03-11 S Sale
3.3
ValueAct Holdings, L.P.

See Remarks

Non-Executive Director
456,000 -87.7%
73.25
US$33,402,000 		456,000 -87.7% 73.25 US$33,402,000
2019-03-01 2019-02-27 S Sale
3.3
ValueAct Holdings, L.P.

See Remarks

Non-Executive Director
1,725,000 -76.8%
73.69
US$127,115,250 		1,725,000 -76.8% 73.69 US$127,115,250
2018-11-13 2018-11-09 S Sale ValueAct Holdings, L.P.

See Remarks

Non-Executive Director
2,980,000 -57.0%
68.15
US$203,087,000 		2,980,000 -57.0% 68.15 US$203,087,000
2018-09-24 2018-09-24 PlS Planned sale Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
255 -1.3%
70.45
US$17,965 		255 -1.3% 70.45 US$17,965
2018-09-24 2018-09-21 PlS Planned sale Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
2,217 -10.5%
70.04
US$155,272 		2,217 -10.5% 70.04 US$155,272
2018-09-24 2018-09-20 PlS Planned sale Hershey Mark A

SVP, Gen Cnsl, Compliance

Officer
33,301 -63.8%
70.03
US$2,331,913 		33,301 -63.8% 70.03 US$2,331,913
2018-09-05 2018-08-31 S Sale ValueAct Holdings, L.P.

See Remarks

Non-Executive Director Large shareholder
100,000 -1.9%
70.03
US$7,003,000 		100,000 -1.9% 70.03 US$7,003,000
2018-08-23 2018-08-21 S Sale ValueAct Holdings, L.P.

See Remarks

Non-Executive Director Large shareholder
30,000 -0.6%
70.11
US$2,103,300 		30,000 -0.6% 70.11 US$2,103,300
2018-08-09 2018-08-07 S Sale ValueAct Holdings, L.P.

See Remarks

Non-Executive Director Large shareholder
1,500,000 -21.9%
69.20
US$103,800,000 		1,500,000 -21.9% 69.20 US$103,800,000
2018-06-07 2018-06-06 PlS Planned sale Cookson David S

SVP, Americas

Officer
7,706 -27.0%
63.00
US$485,478 		7,706 -27.0% 63.00 US$485,478
2018-06-07 2018-06-06 PlS Planned sale Cookson David S

SVP, Americas

Officer
7,218 -25.7%
63.00
US$454,734 		7,218 -25.7% 63.00 US$454,734
2018-06-07 2018-06-06 PlS Planned sale Cookson David S

SVP, Americas

Officer
12,412 -37.3%
63.00
US$781,956 		12,412 -37.3% 63.00 US$781,956
2018-03-14 2018-03-12 S Sale ValueAct Holdings, L.P.

See Remarks

Large shareholder
2,350,000 -25.5%
59.60
US$140,060,000 		2,350,000 -25.5% 59.60 US$140,060,000
2017-11-22 2017-11-22 S Sale Romano Ellen R.

SVP, Human Resources
33,087 -82.0%
54.68
US$1,809,197 		33,087 -82.0% 54.68 US$1,809,197
2016-11-03 2016-11-02 B Purchase TEMPLIN ROY W Non-Executive Director
2,670 +124.4%
37.16
US$99,221 		2,670 +124.4% 37.16 US$99,221
2016-08-16 2016-08-15 PlS Planned sale McNamara Stephen F

Vice President and Controller

Officer
2,274 -43.4%
45.00
US$102,330 		2,274 -43.4% 45.00 US$102,330
2015-08-19 2015-08-18 S Sale McNamara Stephen F

Vice President and Controller

Officer
2,000 -58.5%
60.15
US$120,300 		2,000 -58.5% 60.15 US$120,300
2015-05-28 2015-05-27 S Sale Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust Large shareholder
1,541,940 -22.7%
56.03
US$86,394,898 		1,541,940 -22.7% 56.03 US$86,394,898
2015-05-21 2015-05-20 S Sale McNamara Stephen F

Vice President and Controller

Officer
906 -39.0%
56.94
US$51,588 		906 -39.0% 56.94 US$51,588
2015-02-25 2015-02-24 S Sale Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust Large shareholder
2,739,944 -28.7%
55.40
US$151,792,898 		2,739,944 -28.7% 55.40 US$151,792,898
2014-08-13 2014-08-12 PlS Planned sale McNamara Stephen F

Vice President and Controller

Officer
4,881 -75.0%
53.65
US$261,866 		4,881 -75.0% 53.65 US$261,866
2014-07-31 2014-07-31 B Purchase ValueAct Holdings, L.P. Large shareholder
275,000 +3.1%
48.73
US$13,400,750 		275,000 +3.1% 48.73 US$13,400,750
2014-07-31 2014-07-30 B Purchase ValueAct Holdings, L.P. Large shareholder
500,000 +5.9%
49.24
US$24,620,000 		500,000 +5.9% 49.24 US$24,620,000
2014-07-31 2014-07-29 B Purchase ValueAct Holdings, L.P. Large shareholder
225,000 +2.7%
49.28
US$11,088,000 		225,000 +2.7% 49.28 US$11,088,000
2014-07-15 2014-07-14 PlS Planned sale McNamara Stephen F

Vice President and Controller

Officer
5,000 -75.4%
54.54
US$272,700 		5,000 -75.4% 54.54 US$272,700
2014-05-13 2014-05-12 PlS Planned sale McNamara Stephen F

Vice President and Controller

Officer
5,000 -75.4%
53.15
US$265,750 		5,000 -75.4% 53.15 US$265,750
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