William M. Lambert's most recent trade in MSA Safety Inc was a trade of 899 Common Stock, no par value done . Disclosure was reported to the exchange on May 13, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| MSA Safety Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 13 May 2026 | 899 | 35,626 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 12 Dec 2025 | 9,634 | 34,727 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Aug 2025 | 6,898 | 6,898 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 21.02 per share. | 15 Aug 2025 | 5,566 | 70,647 (0%) | 0% | 21.0 | 116,997 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2025 | 1,933 | 3,867 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2025 | 1,860 | 1,860 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2025 | 1,773 | 0 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Payment of exercise price or tax liability using portion of securities received from the company at price $ 21.02 per share. | 15 Aug 2025 | 170 | 70,477 (0%) | 0% | 21.0 | 3,573 | Common Stock |
| MSA Safety Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 16 May 2025 | 909 | 44,361 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 15 Nov 2024 | 2,200 | 15,150 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Aug 2024 | 5,800 | 5,800 | - | - | Restricted Stock Unites | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 25.00 per share. | 15 Aug 2024 | 4,766 | 65,226 (0%) | 0% | 25 | 119,150 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2024 | 1,859 | 3,720 | - | - | Restricted Stock Unites | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2024 | 1,772 | 1,773 | - | - | Restricted Stock Unites | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2024 | 1,135 | 0 | - | - | Restricted Stock Unites | |
| Kennametal Inc | William M. Lambert | Director | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.00 per share. | 15 Aug 2024 | 145 | 65,081 (0%) | 0% | 25 | 3,625 | Common Stock |
| MSA Safety Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 May 2024 | 755 | 43,452 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 27 Nov 2023 | 3,000 | 17,350 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Aug 2023 | 5,579 | 5,579 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 25.99 per share. | 15 Aug 2023 | 4,252 | 60,589 (0%) | 0% | 26.0 | 110,509 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2023 | 1,772 | 3,545 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2023 | 1,345 | 0 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2023 | 1,135 | 1,135 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.99 per share. | 15 Aug 2023 | 129 | 60,460 (0%) | 0% | 26.0 | 3,353 | Common Stock |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 11 May 2023 | 1,111 | 41,758 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 May 2023 | 939 | 42,697 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 15 Nov 2022 | 2,400 | 7,950 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Aug 2022 | 5,317 | 5,317 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 27.27 per share. | 15 Aug 2022 | 3,977 | 56,337 (0%) | 0% | 27.3 | 108,453 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2022 | 1,498 | 0 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2022 | 1,345 | 1,345 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2022 | 1,134 | 2,270 | - | - | Restricted Stock Units | |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2022 | 53,149 | 0 | - | - | Non-statutory Stock Option | |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 44.50 per share. | 09 Aug 2022 | 53,149 | 96,018 (0%) | 0% | 44.5 | 2,365,131 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 126.60 per share. | 09 Aug 2022 | 33,885 | 42,869 (0%) | 0% | 126.6 | 4,289,675 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2022 | 28,767 | 53,149 | - | - | Non-statutory Stock Option | |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 44.50 per share. | 09 Aug 2022 | 28,767 | 71,636 (0%) | 0% | 44.5 | 1,280,132 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 126.09 per share. | 09 Aug 2022 | 28,216 | 42,869 (0%) | 0% | 126.1 | 3,557,798 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 127.39 per share. | 09 Aug 2022 | 9,642 | 76,754 (0%) | 0% | 127.4 | 1,228,312 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 128.26 per share. | 09 Aug 2022 | 8,922 | 86,396 (0%) | 0% | 128.3 | 1,144,354 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 125.72 per share. | 09 Aug 2022 | 700 | 95,318 (0%) | 0% | 125.7 | 88,007 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 127.29 per share. | 09 Aug 2022 | 551 | 71,085 (0%) | 0% | 127.3 | 70,138 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 08 Aug 2022 | 750 | 10,350 (0%) | 0% | 0 | Common Stock, no par value | |
| MSA Safety Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 May 2022 | 1,129 | 42,869 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Purchase of securities on an exchange or from another person at price $ 26.23 per share. | 04 May 2022 | 36,698 | 52,360 (0%) | 0% | 26.2 | 962,475 | Common Stock |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 155.77 per share. | 19 Nov 2021 | 54,690 | 41,740 (0%) | 0% | 155.8 | 8,519,039 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 48.64 per share. | 19 Nov 2021 | 54,690 | 96,430 (0%) | 0% | 48.6 | 2,660,122 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 19 Nov 2021 | 54,690 | 5,080 | - | - | Non-statutory Stock Option | |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 19 Nov 2021 | 5,080 | 0 | - | - | Non-statutory Stock Option | |
| MSA Safety Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 48.64 per share. | 19 Nov 2021 | 5,080 | 46,820 (0%) | 0% | 48.6 | 247,091 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 154.11 per share. | 19 Nov 2021 | 2,960 | 41,740 (0%) | 0% | 154.1 | 456,161 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 155.10 per share. | 19 Nov 2021 | 1,620 | 44,700 (0%) | 0% | 155.1 | 251,268 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 156.16 per share. | 19 Nov 2021 | 500 | 46,320 (0%) | 0% | 156.2 | 78,079 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Sale of securities on an exchange or to another person at price $ 153.67 per share. | 16 Sep 2021 | 10,000 | 60,000 (0%) | 0% | 153.7 | 1,536,700 | Common Stock, no par value |
| MSA Safety Inc | William M. Lambert | Director | Gift of securities by or to the insider at price $ 0.00 per share. | 25 Aug 2021 | 3,000 | 41,740 (0%) | 0% | 0 | Common Stock, no par value | |
| Kennametal Inc | William M. Lambert | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Aug 2021 | 3,404 | 3,404 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 36.72 per share. | 15 Aug 2021 | 2,843 | 15,662 (0%) | 0% | 36.7 | 104,395 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2021 | 1,498 | 1,498 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Aug 2021 | 1,345 | 2,690 | - | - | Restricted Stock Units | |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 36.25 per share. | 02 Aug 2021 | 1,105 | 12,819 (0%) | 0% | 36.2 | 40,056 | Common Stock |
| Kennametal Inc | William M. Lambert | Director | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 02 Aug 2021 | 1,105 | 0 | - | - | Restricted Stock Units |