As of April 22, 2026, the three largest insider holders of NDSN are Sundaram Nagarajan (President And Ceo, 64.82K shares), James E Devries (Executive Vice President, 51.35K shares), James E Devries (Executive Vice President, 46.60K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Sundaram Nagarajan | President And Ceo | 64,824 | 0 | 25 Feb, 2026 |
| James E Devries | Executive Vice President | 51,351 | 0 | 07 Jan, 2026 |
| James E Devries | Executive Vice President | 46,605 | 0 | 02 Dec, 2021 |
| Sundaram Nagarajan | President And Ceo | 29,805 | 0 | 01 Dec, 2021 |
| Michael J Merriman | - | 29,515 | 0 | 03 Nov, 2025 |
| Gregory P Merk | Executive Vice President | 0 | 28,831 | 02 Aug, 2021 |
| Shelly Peet | Executive Vice President | 27,891 | 0 | 02 Dec, 2021 |
| Shelly Peet | Executive Vice President | 27,891 | 0 | 02 Dec, 2021 |
| Shelly Peet | Executive Vice President | 27,891 | 0 | 02 Dec, 2021 |
| Michael J Merriman | - | 25,266 | 0 | 03 Nov, 2021 |
| Shelly Peet | Executive Vice President | 24,177 | 0 | 31 Mar, 2023 |
| Shelly Peet | Executive Vice President | 24,177 | 0 | 31 Mar, 2023 |
| Shelly Peet | Executive Vice President | 24,177 | 0 | 31 Mar, 2023 |
| Victor L Jr Richey | - | 20,968 | 0 | 03 Nov, 2025 |
| Victor L Jr Richey | - | 20,968 | 0 | 03 Nov, 2025 |
| Frank M Jaehnert | - | 20,311 | 0 | 03 Nov, 2025 |
| Gregory P Merk | Executive Vice President | 20,045 | 0 | 02 Dec, 2021 |
| Mary G Puma | - | 18,146 | 0 | 03 Nov, 2021 |
| Victor L Jr Richey | - | 17,034 | 0 | 03 Nov, 2021 |
| Victor L Jr Richey | - | 17,034 | 0 | 03 Nov, 2021 |
| Frank M Jaehnert | - | 16,972 | 0 | 03 Nov, 2021 |
| Mary G Puma | - | 16,835 | 0 | 17 Jul, 2023 |
| Jeffrey A Pembroke | Executive Vice President | 16,166 | 0 | 09 Nov, 2023 |
| Jeffrey A Pembroke | Executive Vice President | 16,166 | 0 | 09 Nov, 2023 |
| Jeffrey A Pembroke | Executive Vice President | 16,166 | 0 | 09 Nov, 2023 |
| Jeffrey A Pembroke | Executive Vice President | 15,953 | 0 | 02 Dec, 2021 |
| Jeffrey A Pembroke | Executive Vice President | 15,953 | 0 | 02 Dec, 2021 |
| Jeffrey A Pembroke | Executive Vice President | 15,953 | 0 | 02 Dec, 2021 |
| Arthur L Jr George | - | 10,435 | 0 | 31 May, 2022 |
| Sundaram Nagarajan | President And Ceo | 0 | 8,000 | 17 Jan, 2025 |
| Srinivas Subramanian | Executive Vice President | 7,607 | 0 | 07 Jan, 2026 |
| Srinivas Subramanian | Executive Vice President | 7,607 | 0 | 07 Jan, 2026 |
| Srinivas Subramanian | Executive Vice President | 7,607 | 0 | 07 Jan, 2026 |
| Joseph P Kelley | Executive Vice President | 7,268 | 0 | 25 Feb, 2026 |
| Joseph P Kelley | Chief Financial Officer | 6,713 | 0 | 07 Jul, 2022 |
| Jennifer L Mcdonough | Evp, Gc, And Secretary | 6,606 | 0 | 07 Jan, 2026 |
| Ginger M Jones | - | 6,280 | 0 | 03 Nov, 2025 |
| Stephen Lovass | Executive Vice President | 5,983 | 0 | 03 Aug, 2022 |
| John A Deford | - | 5,697 | 0 | 03 Feb, 2026 |
| Sarah Siddiqui | Evp, Chro | 5,058 | 0 | 02 Mar, 2026 |
| Sarah Siddiqui | Evp, Chro | 5,058 | 0 | 02 Mar, 2026 |
| Sarah Siddiqui | Evp, Chro | 5,058 | 0 | 02 Mar, 2026 |
| Daniel Roy Hopgood | Evp, Cfo | 4,906 | 0 | 23 Dec, 2025 |
| Stephen Lovass | Executive Vice President | 4,666 | 0 | 17 Jun, 2025 |
| Jennifer A Parmentier | - | 4,304 | 0 | 03 Nov, 2025 |
| Jennifer A Parmentier | - | 4,304 | 0 | 03 Nov, 2025 |
| Jennifer A Parmentier | - | 4,304 | 0 | 03 Nov, 2025 |
| Joseph M Rutledge | Vp, Cao | 3,092 | 0 | 23 Dec, 2025 |
| Joseph M Rutledge | Vp, Cao | 3,092 | 0 | 23 Dec, 2025 |
| Joseph M Rutledge | Vp, Cao | 3,092 | 0 | 23 Dec, 2025 |
| Ginger M Jones | - | 3,071 | 0 | 03 Nov, 2021 |
| Christopher L Mapes | - | 2,923 | 0 | 03 Feb, 2026 |
| Milton Mayo Morris | - | 2,656 | 0 | 16 Apr, 2026 |
| Annette K Clayton | - | 2,638 | 0 | 03 Nov, 2025 |
| John A Deford | - | 1,891 | 0 | 02 Aug, 2022 |
| Jennifer L Mcdonough | Evp, Gc And Secretary | 1,745 | 0 | 24 Nov, 2021 |
| Justin E Hall | Evp | 1,515 | 0 | 09 Apr, 2026 |
| Jennifer A Parmentier | - | 1,222 | 0 | 03 Nov, 2021 |
| Jennifer A Parmentier | - | 1,222 | 0 | 03 Nov, 2021 |
| Jennifer A Parmentier | - | 1,222 | 0 | 03 Nov, 2021 |
| Srinivas Subramanian | Executive Vice President | 1,118 | 0 | 03 Aug, 2022 |
| Srinivas Subramanian | Executive Vice President | 1,118 | 0 | 03 Aug, 2022 |
| Srinivas Subramanian | Executive Vice President | 1,118 | 0 | 03 Aug, 2022 |
| Stephen F Shamrock | Vp And Cao | 391 | 0 | 14 Jul, 2025 |
| Stephen F Shamrock | Vp And Cao | 391 | 0 | 14 Jul, 2025 |
| Stephen F Shamrock | Vp And Cao | 391 | 0 | 14 Jul, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Milton Mayo Morris | NDSN | D | 245 | $273.87 | 2,656 | D | S |
| 08 Apr, 2026 | Justin E Hall | NDSN | D | 716 | $275.82 | 1,515 | D | S |
| 27 Feb, 2026 | Sarah Siddiqui | NDSN | D | 30 | $293.44 | 5,058 | D | F |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 95 | $289.11 | 9,483 | D | S |
| 24 Feb, 2026 | Sundaram Nagarajan | NDSN | A | 41,800 | $165.21 | 106,624 | D | M |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 1 | $291.49 | 7,558 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 59 | $291.81 | 7,499 | D | S |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 92 | $289.08 | 9,391 | D | S |
| 24 Feb, 2026 | Sundaram Nagarajan | NDSN | D | 41,800 | $293.26 | 64,824 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 1 | $292.53 | 7,498 | D | S |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 758 | $289.00 | 8,633 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 16 | $292.56 | 7,482 | D | S |
| 24 Feb, 2026 | Sundaram Nagarajan | NDSN | D | 41,800 | $293.26 | 0 | D | M |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 84 | $289.25 | 8,549 | D | S |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 84 | $289.26 | 8,465 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 9 | $292.57 | 7,473 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 1 | $292.58 | 7,472 | D | S |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 51 | $289.83 | 8,414 | D | S |
| 23 Feb, 2026 | Joseph P Kelley | NDSN | D | 51 | $289.84 | 8,363 | D | S |
| 24 Feb, 2026 | Joseph P Kelley | NDSN | D | 4 | $292.59 | 7,468 | D | S |