1. Corporate Officers - L
2. Lambert William M

Insider Trading History of Lambert William M

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Lambert William M since 2015. This trader's CIK number is 1187330. At the time of last reporting, Lambert William M was the Director of Kennametal Inc. (stock ticker symbol KMT). Also see all insider trading activities at Kennametal Inc.

Note that in the past LAMBERT WILLIAM M also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Msa Safety Inc (MSA) by Lambert William M

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2022	MSA	0	$0	81,916	$10,394,098	81,916	$3,645,261
2021	MSA	0	$0	69,770	$10,843,784	59,770	$2,907,212
2020	MSA	0	$0	146,029	$19,353,501	149,895	$6,829,714
2019	MSA	0	$0	76,755	$8,824,069	52,163	$1,750,068
2018	MSA	0	$0	130,000	$12,549,169	9,681	$400,431
2017	MSA	0	$0	234,662	$18,221,425	344,070	$8,300,708
2016	MSA	0	$0	19,200	$1,056,562	22,859	$0
2015	MSA	0	$0	15,844	$705,168	19,240	$771,139

Yearly summary of insider trading at Kennametal Inc (KMT) by Lambert William M

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	KMT	0	$0	0	$0	5,566	$116,997
2024	KMT	0	$0	0	$0	4,766	$119,150
2023	KMT	0	$0	0	$0	4,252	$110,509
2022	KMT	36,698	$962,478	0	$0	3,977	$108,452
2021	KMT	0	$0	0	$0	3,948	$144,450
2020	KMT	0	$0	0	$0	3,669	$104,938
2019	KMT	0	$0	0	$0	3,774	$125,108
2018	KMT	0	$0	0	$0	2,669	$100,728
2017	KMT	0	$0	0	$0	1,602	$60,075

Insider trading activities at 2 companies by Lambert William M:

1. Msa Safety Inc (MSA)

2. Kennametal Inc (KMT)

Table 1. Insider trading of Msa Safety Inc (MSA) by Lambert William M

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2022-08-10	MSA	Option Ex	53,149	44.50	2,365,130
2022-08-09	MSA	Option Ex	28,767	44.50	1,280,131
2022-08-10	MSA	Sale	53,149	126.99	6,749,550
2022-08-09	MSA	Sale	28,767	126.69	3,644,548
2021-11-22	MSA	Sale	5,080	155.12	788,024
2021-11-22	MSA	Option Ex	5,080	48.64	247,091
2021-11-19	MSA	Sale	54,690	155.77	8,519,061
2021-11-19	MSA	Option Ex	54,690	48.64	2,660,121
2021-09-16	MSA	Sale	10,000	153.67	1,536,699
2020-12-07	MSA	Option Ex	37,324	51.69	1,929,277
2020-12-08	MSA	Option Ex	7,275	51.69	376,044
2020-12-07	MSA	Sale	30,958	152.31	4,715,367
2020-12-08	MSA	Sale	7,275	151.96	1,105,523
2020-08-10	MSA	Option Ex	53,922	48.95	2,639,481
2020-08-10	MSA	Sale	53,922	124.03	6,688,161
2020-03-20	MSA	Sale	7,500	109.00	817,500
2020-03-04	MSA	Option Ex	51,374	36.69	1,884,912
2020-03-04	MSA	Sale	46,374	129.96	6,026,950
2019-10-30	MSA	Sale	52,163	120.38	6,279,486
2019-10-30	MSA	Option Ex	52,163	33.55	1,750,068
2019-03-13	MSA	Sale	24,592	103.47	2,544,583
2018-11-28	MSA	Sale	10,137	105.97	1,074,177
2018-11-26	MSA	Sale	9,863	106.49	1,050,330
2018-06-19	MSA	Sale	13,536	94.86	1,283,997
2018-06-18	MSA	Sale	33,082	94.50	3,126,348
2018-06-15	MSA	Sale	63,382	94.89	6,014,317
2018-06-01	MSA	Option Ex	3,976	50.32	200,072
2018-03-05	MSA	Option Ex	5,705	35.12	200,359
2017-11-27	MSA	Option Ex	23,495	24.63	578,681
2017-11-27	MSA	Sale	23,495	80.31	1,886,789
2017-11-22	MSA	Option Ex	931	24.63	22,930
2017-11-22	MSA	Sale	931	80.09	74,567
2017-11-24	MSA	Option Ex	7,703	24.63	189,724
2017-11-24	MSA	Sale	7,703	79.99	616,132
2017-11-20	MSA	Option Ex	13,951	24.63	343,613
2017-11-21	MSA	Sale	15,847	80.00	1,267,775
2017-11-20	MSA	Sale	13,951	79.80	1,113,317
2017-11-21	MSA	Option Ex	15,847	24.63	390,311
2017-11-16	MSA	Option Ex	17,944	24.63	441,960
2017-11-16	MSA	Sale	17,944	79.72	1,430,549
2017-11-06	MSA	Sale	6,058	79.46	481,350
2017-11-03	MSA	Option Ex	1,200	24.63	29,556
2017-11-03	MSA	Sale	1,200	80.00	96,002
2017-11-06	MSA	Option Ex	6,058	24.63	149,208
2017-05-05	MSA	Option Ex	36,086	17.83	643,413
2017-05-05	MSA	Sale	27,086	79.08	2,141,825
2017-05-04	MSA	Sale	3,977	79.00	314,183
2017-05-04	MSA	Option Ex	3,977	17.83	70,909
2017-05-02	MSA	Option Ex	38,796	17.83	691,732
2017-05-03	MSA	Option Ex	7,798	17.83	139,038
2017-05-02	MSA	Sale	38,796	78.95	3,062,905
2017-05-03	MSA	Sale	7,798	78.69	613,601
2017-04-28	MSA	Sale	9,429	79.85	752,915
2017-04-28	MSA	Option Ex	9,429	17.83	168,119
2017-03-13	MSA	Option Ex	3,000	31.54	94,605
2017-03-10	MSA	Option Ex	532	17.83	9,485
2017-03-10	MSA	Sale	532	69.50	36,975
2017-03-08	MSA	Sale	500	71.01	35,505
2017-03-07	MSA	Option Ex	101,418	17.83	1,808,282
2017-03-06	MSA	Sale	47,533	72.47	3,444,621
2017-03-07	MSA	Sale	11,882	71.74	852,414
2017-03-06	MSA	Option Ex	55,905	45.24	2,529,142
2016-08-03	MSA	Sale	18,600	55.01	1,023,260
2016-08-02	MSA	Sale	600	55.50	33,302
2016-08-03	MSA	Option Ex	2,494	.00	0
2016-08-02	MSA	Option Ex	20,365	.00	0
2015-11-18	MSA	Option Ex	19,240	40.08	771,139
2015-11-18	MSA	Sale	15,844	44.51	705,168

Table 2. Insider trading of Kennametal Inc (KMT) by Lambert William M

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-08-15	KMT	Option Ex	5,566	21.02	116,997
2024-08-15	KMT	Option Ex	4,766	25.00	119,150
2023-08-15	KMT	Option Ex	4,252	25.99	110,509
2022-08-15	KMT	Option Ex	3,977	27.27	108,452
2022-05-04	KMT	Buy	36,698	26.23	962,478
2021-08-16	KMT	Option Ex	2,843	36.72	104,394
2021-08-02	KMT	Option Ex	1,105	36.25	40,056
2020-08-14	KMT	Option Ex	1,498	30.98	46,408
2020-07-31	KMT	Option Ex	2,171	26.96	58,530
2019-08-01	KMT	Option Ex	3,774	33.15	125,108
2018-08-01	KMT	Option Ex	2,669	37.74	100,728
2017-08-01	KMT	Option Ex	1,602	37.50	60,075

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Lambert William M (Director of Kennametal Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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