| Sep 11, 2026 (view filing)4:08 PM ET | Sep 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.59K | $95.81 | −$248.1K | −1.7%149.3K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Aug 14, 2026 (view filing)5:46 PM ET | Jul 15 | 30 daysLateFiled more than 2 business days after the trade (the Form 4 deadline). A few cases, such as trades a broker makes under a 10b5-1 plan, have a longer deadline, so this flag comes from the dates alone and does not mean a rule was broken. | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −7.64K | $91.98 | −$703.1K | −4.9%148.4K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Apr 17, 2026 (view filing) | Apr 15 | 2 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −7.64K | $85.44 | −$653.2K | −5.1%142.0K after | 3 lotsThis row combines 3 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Mar 11, 2026 (view filing) | Mar 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.59K | $78.24 | −$202.6K | −1.9%137.0K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jan 13, 2026 (view filing) | Jan 12 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −7.57K | $86.55 | −$655.0K | −5.3%136.2K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Dec 11, 2025 (view filing) | Dec 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.60K | $87.84 | −$227.9K | −1.9%133.7K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Oct 14, 2025 (view filing) | Oct 10 | 4 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −7.66K | $82.00 | −$628.1K | −5.5%132.8K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Sep 11, 2025 (view filing) | Sep 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.60K | $85.09 | −$220.8K | −2.0%130.2K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jul 10, 2025 (view filing) | Jul 10 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −7.66K | $77.50 | −$593.7K | −5.6%129.4K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jun 11, 2025 (view filing) | Jun 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.60K | $80.26 | −$208.3K | −2.0%126.4K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Apr 17, 2025 (view filing) | Apr 15 | 2 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −11.8K | $71.91 | −$851.3K | −8.6%125.5K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jan 13, 2025 (view filing) | Jan 10 | 3 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −10.8K | $78.69 | −$851.2K | −8.4%117.8K after | |
| Dec 11, 2024 (view filing) | Dec 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −3.62K | $84.94 | −$307.3K | −3.2%107.8K after | |
| Oct 11, 2024 (view filing) | Oct 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −10.3K | $69.51 | −$718.6K | −9.0%104.4K after | |
| Sep 11, 2024 (view filing) | Sep 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −3.61K | $66.87 | −$241.7K | −3.7%94.0K after | From originalReported on the original filing 0001585521-24-000201. A later amendment (Form 4/A) restated only part of that filing, so this trade still stands and is listed under the amendment. The filing date shown is the original's. |
| Jul 10, 2024 (view filing) | Jul 9-10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −16.2K | $56.79 | −$921.8K | −15.2%90.6K after | 3 lotsThis row combines 3 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jun 11, 2024 (view filing) | Jun 9-11 | 2 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −5.14K | $62.59 | −$321.7K | −6.1%79.7K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Apr 12, 2024 (view filing) | Apr 10 | 2 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −13.9K | $62.22 | −$863.3K | −15.1%77.8K after | 2 lotsThis row combines 2 trades of the same kind from one filing. The price is the value-weighted average.10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Apr 9, 2024 (view filing) | Apr 9 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −3.79K | $62.97 | −$238.7K | −4.0%91.7K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Mar 12, 2024 (view filing) | Mar 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −1.55K | $70.00 | −$108.7K | −2.1%72.0K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jan 10, 2024 (view filing) | Jan 10 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −15.6K | $67.98 | −$1.06M | −18.2%70.1K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Dec 12, 2023 (view filing) | Dec 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −1.57K | $71.98 | −$113.1K | −2.4%64.9K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Oct 11, 2023 (view filing) | Oct 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −13.9K | $66.35 | −$923.1K | −18.1%62.9K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Sep 14, 2023 (view filing) | Sep 12 | 2 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −1.59K | $70.69 | −$112.1K | −2.6%58.3K after | 10b5-1The filer checked the Rule 10b5-1 box: this trade was made under a trading plan set up in advance. |
| Jan 10, 2023 (view filing) | Jan 10 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.99K | $69.54 | −$208.1K | −10.9%24.4K after | |
| Oct 11, 2022 (view filing) | Oct 8 | 3 days | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.37K | $71.59 | −$170.0K | −13.0%15.9K after | |
| Jul 12, 2022 (view filing) | Jul 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.32K | $109.79 | −$254.6K | −17.6%10.9K after | |
| Apr 12, 2022 (view filing) | Apr 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.26K | $111.69 | −$252.0K | −27.9%5.84K after | |
| Jan 11, 2022 (view filing) | Jan 10 | 1 day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.99K | $172.00 | −$513.6K | −37.0%5.08K after | |
| Oct 12, 2021 (view filing) | Oct 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −2.35K | $255.27 | −$600.9K | −36.6%4.08K after | |
| Jul 12, 2021 (view filing) | Jul 12 | Same day | Sankarlingam VelchamyPres. of Engineering & Product | SSaleThe insider sold shares on the open market or in a private deal. People sell for many reasons, such as paying taxes, diversifying or following a pre-set 10b5-1 plan, so a single sale usually says less than a purchase.Class A Common Stock | −9.53K | $384.30 | −$3.66M | −74.3%3.29K after | 11 lotsThis row combines 11 trades of the same kind from one filing. The price is the value-weighted average. |
