SEC CIK 1264261
Walker Kathryn A
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| ADTNview stock → | 98,663 | 2025-12-31 |
Position History — ADTN
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — ADTN
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2025-12-31 | Grant / award | 13,809 | $0.00 | 98,663 |
| 2024-12-31 | Grant / award | 14,406 | $0.00 | 84,854 |
| 2023-12-31 | Option exercise (derivative) | 168.42 | $0.00 | 0 |
| 2023-12-31 | Grant / award | 16,349 | $0.00 | 70,448 |
| 2023-12-31 | Option exercise | 168.42 | — | 54,099.42 |
| 2023-12-31 | Disposition to issuer | 0.42 | $7.34 | 54,099 |
| 2023-09-05 | Grant / award (derivative) | 69.02 | $8.37 | 168.42 |
| 2023-06-06 | Grant / award (derivative) | 63.21 | $9.14 | 99.4 |
| 2023-03-21 | Grant / award (derivative) | 36.2 | $15.96 | 36.2 |
| 2023-01-24 | Grant / award | 1,629 | $0.00 | 53,931 |
| 2022-12-31 | Option exercise (derivative) | 69.47 | $0.00 | 0 |
| 2022-12-31 | Option exercise | 69.47 | — | 47,512.47 |
| 2022-12-31 | Grant / award | 4,790 | $0.00 | 52,302 |
| 2022-12-31 | Disposition to issuer | 0.47 | $18.79 | 47,512 |
| 2022-12-06 | Grant / award (derivative) | 18.31 | $19.38 | 69.47 |
| 2022-09-01 | Grant / award | 15.63 | $22.70 | 47,494.16 |
| 2022-07-08 | Disposition to issuer | 47,478.53 | — | 0 |
| 2022-07-08 | Grant / award | 47,478.53 | — | 47,478.53 |
| 2022-07-08 | — | — | — | 0 |
| 2022-06-02 | Grant / award (derivative) | 18.02 | $19.69 | 35.53 |
| 2022-03-03 | Grant / award (derivative) | 17.51 | $20.27 | 17.51 |
| 2021-12-31 | Option exercise (derivative) | 114.48 | $0.00 | 0 |
| 2021-12-31 | Disposition to issuer | 0.48 | $22.83 | 43,500 |
| 2021-12-31 | Grant / award | 3,943 | $0.00 | 47,443 |
| 2021-12-31 | Option exercise | 114.48 | — | 43,500.48 |
| 2021-11-30 | Grant / award (derivative) | 26.91 | $0.00 | 114.48 |
| 2021-09-02 | Grant / award (derivative) | 26.47 | $0.00 | 87.56 |
| 2021-06-03 | Grant / award (derivative) | 27.26 | $0.00 | 61.09 |
| 2021-03-04 | Grant / award (derivative) | 33.84 | $0.00 | 33.84 |
| 2020-12-31 | Option exercise (derivative) | 318.16 | $0.00 | 0 |
| 2020-12-31 | Disposition to issuer | 0.16 | $14.77 | 37,292 |
| 2020-12-31 | Option exercise | 318.16 | — | 37,292.16 |
| 2020-12-31 | Grant / award | 6,094 | $0.00 | 43,386 |
| 2020-12-01 | Grant / award (derivative) | 64.78 | $0.00 | 318.16 |
| 2020-09-03 | Grant / award (derivative) | 79.24 | $0.00 | 253.38 |
| 2020-06-04 | Grant / award (derivative) | 72.03 | $0.00 | 174.14 |
| 2020-03-05 | Grant / award (derivative) | 102.11 | $0.00 | 102.11 |
| 2019-12-31 | Option exercise (derivative) | 250.44 | $0.00 | 0 |
| 2019-12-31 | Disposition to issuer | 0.44 | $9.89 | 27,818 |
| 2019-12-31 | Option exercise | 250.44 | — | 27,818.44 |
| 2019-12-31 | Grant / award | 9,156 | $0.00 | 36,974 |
| 2019-12-02 | Grant / award (derivative) | 82.45 | $0.00 | 250.44 |
| 2019-08-15 | Grant / award (derivative) | 70.69 | $0.00 | 167.99 |
| 2019-05-16 | Grant / award (derivative) | 45.82 | $0.00 | 97.3 |
| 2019-02-21 | Grant / award (derivative) | 51.49 | $0.00 | 51.49 |
| 2018-12-31 | Option exercise (derivative) | 110.95 | $0.00 | 0 |
| 2018-12-31 | Disposition to issuer | 0.95 | $10.74 | 21,094 |
| 2018-12-31 | Grant / award | 8,318 | $0.00 | 29,412 |
| 2018-12-31 | Option exercise | 110.95 | — | 21,094.95 |
| 2018-12-31 | Grant / award | 8,318 | $0.00 | 27,568 |
| 2018-11-14 | Grant / award (derivative) | 30.71 | $0.00 | 110.95 |
| 2018-08-15 | Grant / award (derivative) | 26.08 | $0.00 | 80.24 |
| 2018-05-16 | Grant / award (derivative) | 28.48 | $0.00 | 54.16 |
| 2018-02-14 | Grant / award (derivative) | 25.68 | $0.00 | 25.68 |
| 2017-12-31 | Option exercise (derivative) | 69.76 | $0.00 | 0 |
| 2017-12-31 | Grant / award | 4,651 | $0.00 | 20,984 |
| 2017-12-31 | Option exercise | 69.76 | — | 16,333.76 |
| 2017-12-31 | Disposition to issuer | 0.76 | $19.35 | 16,333 |
| 2017-11-15 | Grant / award (derivative) | 17.47 | $0.00 | 69.76 |
| 2017-08-17 | Grant / award (derivative) | 16.74 | $0.00 | 52.17 |
| 2017-05-18 | Grant / award (derivative) | 18.73 | $0.00 | 35.43 |
| 2017-02-16 | Grant / award (derivative) | 16.7 | $0.00 | 16.7 |
| 2016-12-31 | Option exercise (derivative) | 89.69 | $0.00 | 0 |
| 2016-12-31 | Grant / award | 4,027 | $0.00 | 16,264 |
| 2016-12-31 | Disposition to issuer | 0.69 | $22.35 | 12,237 |
| 2016-12-31 | Option exercise | 89.69 | — | 12,237.69 |
| 2016-11-17 | Grant / award (derivative) | 21.27 | $0.00 | 89.69 |
| 2016-08-11 | Grant / award (derivative) | 23.15 | $0.00 | 68.42 |
| 2016-05-12 | Grant / award (derivative) | 22.42 | $0.00 | 45.27 |
| 2016-02-18 | Grant / award (derivative) | 22.85 | $0.00 | 22.85 |
| 2015-12-31 | Option exercise (derivative) | 76.16 | $0.00 | 0 |
| 2015-12-31 | Grant / award | 4,646 | $0.00 | 12,148 |
| 2015-12-31 | Option exercise | 76.16 | — | 7,502.16 |
| 2015-12-31 | Disposition to issuer | 0.16 | $17.22 | 7,502 |
| 2015-11-12 | Grant / award (derivative) | 21.45 | $0.00 | 76.16 |
| 2015-08-13 | Grant / award (derivative) | 20.72 | $0.00 | 54.72 |
| 2015-05-21 | Grant / award (derivative) | 19.53 | $0.00 | 33.99 |
| 2015-05-14 | Disposition to issuer (derivative) | 34.16 | $16.64 | 14.46 |
| 2015-05-14 | Option exercise | 0.03 | $16.64 | 5,572 |
| 2015-05-14 | Option exercise | 24.03 | — | 5,572.03 |
| 2015-02-19 | Grant / award (derivative) | 21.93 | $0.00 | 38.49 |
| 2014-12-31 | Grant / award | 3,670 | $0.00 | 7,426 |
| 2014-11-13 | Option exercise (derivative) | 17.82 | $0.00 | 0 |
| 2014-11-13 | Grant / award (derivative) | 8.95 | $0.00 | 16.57 |
| 2014-08-14 | Option exercise (derivative) | 15.24 | $0.00 | 0 |
| 2014-08-14 | Grant / award (derivative) | 7.62 | $0.00 | 7.62 |
| 2014-05-14 | Grant / award | 3,756 | $0.00 | 3,756 |
| 2014-05-14 | Grant / award | 1,878 | $0.00 | 1,878 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.