SEC CIK 1674282
Castagna Michael
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MNKDview stock → | 2,433,779 | 2026-07-15 |
Position History — MNKD
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — MNKD
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-07-15 | Option exercise (derivative) | 350,260 | $0.00 | 0 |
| 2026-07-15 | Tax withholding | 58,904 | $4.09 | 2,433,779 |
| 2026-07-15 | Tax withholding | 63,996 | $4.09 | 2,492,683 |
| 2026-07-15 | Tax withholding | 47,481 | $4.09 | 2,556,679 |
| 2026-07-15 | Tax withholding | 192,819 | $4.09 | 2,604,160 |
| 2026-07-15 | Option exercise | 350,260 | $0.00 | 2,796,979 |
| 2026-05-11 | Tax withholding | 34,957 | $3.52 | 2,442,310 |
| 2026-03-23 | Grant / award (derivative) | 782,000 | $0.00 | 782,000 |
| 2026-03-23 | Grant / award (derivative) | 796,000 | $0.00 | 796,000 |
| 2026-03-10 | Open-market buy | 100,000 | $2.59 | 2,575,911 |
| 2026-03-01 | Grant / award | 15,290 | $3.27 | 2,475,911 |
| 2026-02-26 | Grant / award (derivative) | 37,525 | $0.00 | 37,525 |
| 2026-02-26 | Grant / award (derivative) | 57,750 | $0.00 | 57,750 |
| 2026-02-26 | Grant / award (derivative) | 50,000 | $0.00 | 50,000 |
| 2025-12-24 | Gift | 44,171 | $0.00 | 2,460,621 |
| 2025-12-17 | Option exercise (derivative) | 15,804 | $0.00 | 0 |
| 2025-12-17 | Option exercise | 65,804 | $4.55 | 2,570,596 |
| 2025-12-17 | Open-market sale | 65,804 | $6.01 | 2,504,792 |
| 2025-12-16 | Option exercise (derivative) | 21,310 | $0.00 | 15,804 |
| 2025-12-16 | Open-market sale | 21,310 | $6.00 | 2,504,792 |
| 2025-12-16 | Option exercise | 21,310 | $4.55 | 2,526,102 |
| 2025-12-12 | Option exercise (derivative) | 7,920 | $0.00 | 0 |
| 2025-12-12 | Option exercise (derivative) | 12,886 | $0.00 | 37,114 |
| 2025-12-12 | Option exercise | 20,806 | $4.55 | 2,525,598 |
| 2025-12-12 | Open-market sale | 20,806 | $6.00 | 2,504,792 |
| 2025-12-02 | Option exercise (derivative) | 42,080 | $0.00 | 7,920 |
| 2025-12-02 | Option exercise (derivative) | 65,840 | $0.00 | 0 |
| 2025-12-02 | Open-market sale | 107,920 | $5.57 | 2,504,792 |
| 2025-12-02 | Option exercise | 107,920 | $4.55 | 2,612,712 |
| 2025-07-15 | Tax withholding | 111,275 | $3.85 | 2,504,792 |
| 2025-05-19 | Tax withholding | 26,114 | $4.37 | 2,612,934 |
| 2025-05-14 | Grant / award | 27,000 | $4.56 | 2,639,048 |
| 2025-05-13 | Grant / award (derivative) | 523,000 | $0.00 | 523,000 |
| 2025-05-13 | Grant / award | 428,000 | $0.00 | 2,612,048 |
| 2025-05-12 | Tax withholding | 34,894 | $4.56 | 2,184,048 |
| 2025-05-12 | Tax withholding | 334,954 | $4.56 | 2,218,942 |
| 2025-05-10 | Grant / award | 298,560 | $0.00 | 2,553,896 |
| 2025-04-04 | J | 39,500 | $0.00 | 2,255,336 |
| 2024-08-29 | Open-market sale | 85,106 | $6.30 | 2,294,836 |
| 2024-08-29 | Gift | 19,000 | $0.00 | 2,379,942 |
| 2024-08-28 | Gift | 13,894 | $0.00 | 2,398,942 |
| 2024-08-27 | Tax withholding | 56,085 | $5.38 | 2,412,836 |
| 2024-07-15 | Tax withholding | 47,309 | $5.83 | 2,468,921 |
| 2024-06-30 | Grant / award | 5,000 | $3.09 | 2,516,230 |
| 2024-05-18 | Tax withholding | 26,067 | $4.59 | 2,511,230 |
| 2024-05-17 | J | 24,330 | $4.79 | 2,561,260 |
| 2024-05-17 | J | 28,670 | $4.32 | 2,585,590 |
| 2024-05-17 | Grant / award | 221,480 | $4.59 | 2,782,740 |
| 2024-05-17 | Tax withholding | 245,443 | $4.59 | 2,537,297 |
| 2024-05-15 | Grant / award (derivative) | 569,000 | $0.00 | 569,000 |
| 2024-05-15 | Grant / award | 465,000 | $0.00 | 2,614,260 |
| 2024-05-10 | Tax withholding | 34,830 | $4.32 | 2,149,260 |
| 2024-02-04 | Grant / award | 30,581 | $3.27 | 2,184,090 |
| 2023-12-31 | Grant / award | 209 | $3.09 | 2,153,509 |
| 2023-12-15 | Open-market sale | 90,482 | $4.00 | 2,148,665 |
| 2023-12-14 | Open-market sale | 10,000 | $4.00 | 2,339,147 |
| 2023-12-14 | Open-market sale | 100,000 | $4.00 | 2,239,147 |
| 2023-11-01 | Open-market sale | 10,000 | $4.25 | 2,349,147 |
| 2023-10-02 | Open-market sale | 10,000 | $4.61 | 2,359,147 |
| 2023-10-02 | Open-market sale | 10,000 | $4.08 | 2,359,147 |
| 2023-09-05 | J | 66,892 | $4.91 | 2,369,147 |
| 2023-09-01 | Open-market sale | 10,000 | $4.61 | 2,436,039 |
| 2023-08-27 | Tax withholding | 50,696 | $4.72 | 2,446,039 |
| 2023-08-01 | Open-market sale | 10,000 | $4.57 | 2,496,735 |
| 2023-07-05 | Open-market sale | 5,586 | $4.01 | 2,506,735 |
| 2023-07-03 | Open-market sale | 10,000 | $4.07 | 2,506,735 |
| 2023-07-03 | Open-market sale | 4,414 | $4.07 | 2,512,321 |
| 2023-06-30 | Grant / award | 4,635 | $3.46 | 2,153,300 |
| 2023-06-01 | Open-market sale | 10,000 | $4.53 | 2,516,735 |
| 2023-05-26 | Open-market sale | 75,000 | $4.50 | 2,526,735 |
| 2023-05-25 | Grant / award (derivative) | 422,000 | $0.00 | 422,000 |
| 2023-05-25 | Grant / award | 345,000 | $0.00 | 2,676,735 |
| 2023-05-25 | Open-market sale | 75,000 | $4.59 | 2,601,735 |
| 2023-05-24 | Open-market sale | 150,000 | $4.69 | 2,331,735 |
| 2023-05-22 | Tax withholding | 500,000 | $4.79 | 2,481,735 |
| 2023-05-22 | Grant / award | 1,000,000 | $4.79 | 2,981,735 |
| 2023-05-18 | Tax withholding | 16,434 | $4.56 | 1,981,735 |
| 2023-05-10 | Tax withholding | 21,959 | $4.40 | 1,998,169 |
| 2023-05-05 | Open-market sale | 10,000 | $4.00 | 2,020,128 |
| 2023-04-03 | Open-market sale | 10,000 | $4.13 | 2,030,128 |
| 2023-03-01 | Open-market sale | 10,000 | $5.27 | 2,040,128 |
| 2022-08-27 | Tax withholding | 35,952 | $3.73 | 2,048,534 |
| 2022-07-31 | Open-market buy | 3,147 | $2.93 | 2,084,486 |
| 2022-07-31 | Grant / award | 3,147 | $2.93 | 2,084,486 |
| 2022-05-18 | Tax withholding | 16,434 | $3.19 | 2,081,339 |
| 2022-05-10 | Grant / award | 254,000 | $0.00 | 1,786,773 |
| 2022-05-10 | Grant / award | 311,000 | $0.00 | 2,097,773 |
| 2022-02-28 | Open-market buy | 27,675 | $2.71 | 1,532,773 |
| 2022-02-28 | Grant / award | 27,675 | $2.71 | 1,532,773 |
| 2022-01-31 | Open-market buy | 2,334 | $3.17 | 1,505,628 |
| 2022-01-31 | Open-market buy | 1,804 | $3.17 | 1,505,098 |
| 2022-01-31 | Grant / award | 1,804 | $3.17 | 1,505,098 |
| 2021-08-27 | Tax withholding | 35,358 | $4.91 | 1,503,294 |
| 2021-07-30 | Open-market buy | 5,000 | $2.99 | 1,538,652 |
| 2021-05-18 | Grant / award | 226,000 | $0.00 | 1,533,652 |
| 2021-05-18 | Grant / award | 190,092 | $0.00 | 1,307,652 |
| 2021-03-05 | Open-market buy | 3,000 | $3.38 | 3,000 |
| 2021-01-31 | Open-market buy | 5,000 | $1.33 | 1,117,560 |
| 2020-08-27 | Grant / award | 500,000 | $0.00 | 1,112,560 |
| 2020-08-27 | Grant / award | 409,000 | $0.00 | 612,560 |
| 2020-07-31 | Open-market buy | 5,000 | $1.25 | 203,560 |
| 2020-06-15 | Open-market buy | 30,000 | $1.49 | 198,560 |
| 2020-06-15 | Open-market buy | 10,000 | $1.41 | 10,000 |
| 2020-06-15 | Open-market buy | 293 | $1.48 | 293 |
| 2020-06-15 | Open-market buy | 70 | $1.49 | 70 |
| 2020-06-12 | Open-market buy | 68 | $1.41 | 68 |
| 2020-02-25 | Grant / award (derivative) | 50,000 | $4.55 | 50,000 |
| 2020-02-25 | Grant / award (derivative) | 57,750 | $1.52 | 57,750 |
| 2020-02-25 | Grant / award (derivative) | 37,525 | $1.42 | 37,525 |
| 2020-01-31 | Open-market buy | 5,000 | $0.95 | 168,560 |
| 2019-07-31 | Open-market buy | 5,000 | $0.95 | 163,560 |
| 2019-05-14 | Grant / award (derivative) | 584,000 | $1.32 | 584,000 |
| 2019-02-20 | Grant / award | 60,403 | $0.00 | 158,560 |
| 2019-01-31 | Open-market buy | 5,000 | $1.07 | 98,157 |
| 2018-11-14 | Grant / award | 25,000 | $1.77 | 93,157 |
| 2018-11-14 | Open-market buy | 25,000 | $1.77 | 93,157 |
| 2018-08-02 | Grant / award (derivative) | 50,000 | $4.55 | 50,000 |
| 2018-08-02 | Grant / award (derivative) | 57,750 | $1.52 | 57,750 |
| 2018-08-02 | Grant / award (derivative) | 37,525 | $1.42 | 37,525 |
| 2018-08-02 | Open-market buy | 5,000 | $1.31 | 68,157 |
| 2018-06-14 | Grant / award | 15,625 | $1.92 | 63,157 |
| 2018-05-16 | Grant / award (derivative) | 534,000 | $1.91 | 534,000 |
| 2017-12-20 | Open-market buy | 6,500 | $2.29 | 35,532 |
| 2017-12-20 | Open-market buy | 1,500 | $2.28 | 1,500 |
| 2017-05-26 | Grant / award (derivative) | 191,000 | $1.52 | 191,000 |
| 2016-08-26 | Open-market buy | 17,500 | $0.78 | 212,500 |
| 2016-08-24 | Open-market buy | 15,000 | $0.87 | 195,000 |
| 2016-08-23 | Open-market buy | 25,000 | $0.94 | 180,000 |
| 2016-08-12 | Open-market buy | 25,000 | $1.00 | 75,000 |
| 2016-05-19 | Grant / award (derivative) | 329,200 | $0.91 | 329,200 |
| 2016-05-19 | Grant / award | 80,000 | $0.00 | 130,000 |
| 2016-05-17 | Open-market buy | 50,000 | $0.93 | 50,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.