Michael Castagna
Insider
First SEC filing: Feb. 14, 2018 · Latest: Feb. 14, 2018
Insider at
Insider transactions
1 buys (P)
4 sells (S)
Net: $-990,292
Avg return of open purchases vs now: 46.7%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | MNKD | M | 350,260 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 15, 2026 | MNKD | F | 58,904 | $4.09 | $240,917 | 2,433,779 Direct | -2.36% | Disposed | -7.1% (price as of 2026-10-02) |
| July 15, 2026 | MNKD | F | 63,996 | $4.09 | $261,744 | 2,492,683 Direct | -2.50% | Disposed | -7.1% (price as of 2026-10-02) |
| July 15, 2026 | MNKD | F | 47,481 | $4.09 | $194,197 | 2,556,679 Direct | -1.82% | Disposed | -7.1% (price as of 2026-10-02) |
| July 15, 2026 | MNKD | F | 192,819 | $4.09 | $788,630 | 2,604,160 Direct | -6.89% | Disposed | -7.1% (price as of 2026-10-02) |
| July 15, 2026 | MNKD | M | 350,260 | · | · | 2,796,979 Direct | +14.32% | Acquired | (price as of 2026-10-02) |
| May 11, 2026 | MNKD | F | 34,957 | $3.52 | $123,049 | 2,442,310 Direct | -1.41% | Disposed | 8.0% (price as of 2026-10-02) |
| March 23, 2026 | MNKD | A | 782,000 | · | · | 782,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 23, 2026 | MNKD | A | 796,000 | · | · | 796,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 10, 2026 | MNKD | P | 100,000 | $2.59 | $259,000 | 2,575,911 Direct | +4.04% | Acquired | 46.7% (price as of 2026-10-02) |
| March 1, 2026 | MNKD | A | 15,290 | $3.27 | $49,998 | 2,475,911 Direct | +0.62% | Acquired | 16.2% (price as of 2026-10-02) |
| Feb. 26, 2026 | MNKD | A | 37,525 | · | · | 37,525 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2026 | MNKD | A | 57,750 | · | · | 57,750 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2026 | MNKD | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 24, 2025 | MNKD | G | 44,171 | · | · | 2,460,621 Direct | -1.76% | Disposed | (price as of 2026-10-02) |
| Dec. 17, 2025 | MNKD | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 17, 2025 | MNKD | M | 15,804 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 17, 2025 | MNKD | S 10b5-1 | 65,804 | $6.01 | $395,482 | 2,504,792 Direct | -2.56% | Disposed | -36.8% (price as of 2026-10-02) |
| Dec. 17, 2025 | MNKD | M | 65,804 | $4.55 | $299,408 | 2,570,596 Direct | +2.63% | Acquired | -16.5% (price as of 2026-10-02) |
| Dec. 16, 2025 | MNKD | M | 21,310 | · | · | 15,804 Direct | -57.42% | Disposed | (price as of 2026-10-02) |
| Dec. 16, 2025 | MNKD | S 10b5-1 | 21,310 | $6.00 | $127,860 | 2,504,792 Direct | -0.84% | Disposed | -36.7% (price as of 2026-10-02) |
| Dec. 16, 2025 | MNKD | M | 21,310 | $4.55 | $96,960 | 2,526,102 Direct | +0.85% | Acquired | -16.5% (price as of 2026-10-02) |
| Dec. 12, 2025 | MNKD | M | 12,886 | · | · | 37,114 Direct | -25.77% | Disposed | (price as of 2026-10-02) |
| Dec. 12, 2025 | MNKD | M | 7,920 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 12, 2025 | MNKD | S 10b5-1 | 20,806 | $6.00 | $124,836 | 2,504,792 Direct | -0.82% | Disposed | -36.7% (price as of 2026-10-02) |
| Dec. 12, 2025 | MNKD | M | 20,806 | $4.55 | $94,667 | 2,525,598 Direct | +0.83% | Acquired | -16.5% (price as of 2026-10-02) |
| Dec. 2, 2025 | MNKD | M | 42,080 | · | · | 7,920 Direct | -84.16% | Disposed | (price as of 2026-10-02) |
| Dec. 2, 2025 | MNKD | M | 65,840 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 2, 2025 | MNKD | S 10b5-1 | 107,920 | $5.57 | $601,114 | 2,504,792 Direct | -4.13% | Disposed | -31.8% (price as of 2026-10-02) |
| Dec. 2, 2025 | MNKD | M | 107,920 | $4.55 | $491,036 | 2,612,712 Direct | +4.31% | Acquired | -16.5% (price as of 2026-10-02) |
| July 15, 2025 | MNKD | F | 111,275 | $3.85 | $428,409 | 2,504,792 Direct | -4.25% | Disposed | -1.3% (price as of 2026-10-02) |
| May 19, 2025 | MNKD | F | 26,114 | $4.37 | $114,118 | 2,612,934 Direct | -0.99% | Disposed | -13.0% (price as of 2026-10-02) |
| May 14, 2025 | MNKD | A | 27,000 | $4.56 | $123,120 | 2,639,048 Direct | +1.03% | Acquired | -16.7% (price as of 2026-10-02) |
| May 13, 2025 | MNKD | A | 523,000 | · | · | 523,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2025 | MNKD | A | 428,000 | · | · | 2,612,048 Direct | +19.60% | Acquired | (price as of 2026-10-02) |
| May 12, 2025 | MNKD | F | 34,894 | $4.56 | $159,117 | 2,184,048 Direct | -1.57% | Disposed | -16.7% (price as of 2026-10-02) |
| May 12, 2025 | MNKD | F | 334,954 | $4.56 | $1,527,390 | 2,218,942 Direct | -13.12% | Disposed | -16.7% (price as of 2026-10-02) |
| May 10, 2025 | MNKD | A | 298,560 | · | · | 2,553,896 Direct | +13.24% | Acquired | (price as of 2026-10-02) |
| April 4, 2025 | MNKD | J | 39,500 | · | · | 2,255,336 Direct | -1.72% | Disposed | (price as of 2026-10-02) |
| Aug. 29, 2024 | MNKD | S | 85,106 | $6.30 | $536,168 | 2,294,836 Direct | -3.58% | Disposed | -39.7% (price as of 2026-10-02) |
| Aug. 29, 2024 | MNKD | G | 19,000 | · | · | 2,379,942 Direct | -0.79% | Disposed | (price as of 2026-10-02) |
| Aug. 28, 2024 | MNKD | G | 13,894 | · | · | 2,398,942 Direct | -0.58% | Disposed | (price as of 2026-10-02) |
| Aug. 27, 2024 | MNKD | F | 56,085 | $5.38 | $301,737 | 2,412,836 Direct | -2.27% | Disposed | -29.4% (price as of 2026-10-02) |
| July 15, 2024 | MNKD | F | 47,309 | $5.83 | $275,811 | 2,468,921 Direct | -1.88% | Disposed | -34.8% (price as of 2026-10-02) |
| June 30, 2024 | MNKD | A | 5,000 | $3.09 | $15,450 | 2,516,230 Direct | +0.20% | Acquired | 23.0% (price as of 2026-10-02) |
| May 18, 2024 | MNKD | F | 26,067 | $4.59 | $119,648 | 2,511,230 Direct | -1.03% | Disposed | -17.2% (price as of 2026-10-02) |
| May 17, 2024 | MNKD | F | 245,443 | $4.59 | $1,126,583 | 2,537,297 Direct | -8.82% | Disposed | -17.2% (price as of 2026-10-02) |
| May 17, 2024 | MNKD | A | 221,480 | $4.59 | $1,016,593 | 2,782,740 Direct | +8.65% | Acquired | -17.2% (price as of 2026-10-02) |
| May 17, 2024 | MNKD | J | 24,330 | $4.79 | $116,541 | 2,561,260 Direct | -0.94% | Disposed | -20.7% (price as of 2026-10-02) |
| May 17, 2024 | MNKD | J | 28,670 | $4.32 | $123,854 | 2,585,590 Direct | -1.10% | Disposed | -12.0% (price as of 2026-10-02) |
| May 15, 2024 | MNKD | A | 569,000 | · | · | 569,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | MNKD | A | 465,000 | · | · | 2,614,260 Direct | +21.64% | Acquired | (price as of 2026-10-02) |
| May 10, 2024 | MNKD | F | 34,830 | $4.32 | $150,466 | 2,149,260 Direct | -1.59% | Disposed | -12.0% (price as of 2026-10-02) |
| Feb. 4, 2024 | MNKD | A | 30,581 | $3.27 | $100,000 | 2,184,090 Direct | +1.42% | Acquired | 16.2% (price as of 2026-10-02) |
| Dec. 31, 2023 | MNKD | A | 209 | $3.09 | $646 | 2,153,509 Direct | +0.01% | Acquired | 23.0% (price as of 2026-10-02) |
| Dec. 15, 2023 | MNKD | S 10b5-1 | 90,482 | $4.00 | $361,928 | 2,148,665 Direct | -4.04% | Disposed | -5.0% (price as of 2026-10-02) |
| Dec. 14, 2023 | MNKD | S 10b5-1 | 100,000 | $4.00 | $400,000 | 2,239,147 Direct | -4.28% | Disposed | -5.0% (price as of 2026-10-02) |
| Dec. 14, 2023 | MNKD | S 10b5-1 | 10,000 | $4.00 | $40,000 | 2,339,147 Direct | -0.43% | Disposed | -5.0% (price as of 2026-10-02) |
| Nov. 1, 2023 | MNKD | S 10b5-1 | 10,000 | $4.25 | $42,500 | 2,349,147 Direct | -0.42% | Disposed | -10.6% (price as of 2026-10-02) |
| Oct. 2, 2023 | MNKD | S 10b5-1 | 10,000 | $4.08 | $40,800 | 2,359,147 Direct | -0.42% | Disposed | -6.9% (price as of 2026-10-02) |
| Oct. 2, 2023 | MNKD | S 10b5-1 | 10,000 | $4.61 | $46,100 | 2,359,147 Direct | -0.42% | Disposed | -17.6% (price as of 2026-10-02) |
| Sept. 5, 2023 | MNKD | J | 66,892 | $4.91 | $328,440 | 2,369,147 Direct | -2.75% | Disposed | -22.6% (price as of 2026-10-02) |
| Sept. 1, 2023 | MNKD | S 10b5-1 | 10,000 | $4.61 | $46,100 | 2,436,039 Direct | -0.41% | Disposed | -17.6% (price as of 2026-10-02) |
| Aug. 27, 2023 | MNKD | F | 50,696 | $4.72 | $239,285 | 2,446,039 Direct | -2.03% | Disposed | -19.5% (price as of 2026-10-02) |
| Aug. 1, 2023 | MNKD | S 10b5-1 | 10,000 | $4.57 | $45,700 | 2,496,735 Direct | -0.40% | Disposed | -16.8% (price as of 2026-10-02) |
| July 5, 2023 | MNKD | S 10b5-1 | 5,586 | $4.01 | $22,400 | 2,506,735 Direct | -0.22% | Disposed | -5.2% (price as of 2026-10-02) |
| July 3, 2023 | MNKD | S 10b5-1 | 4,414 | $4.07 | $17,965 | 2,512,321 Direct | -0.18% | Disposed | -6.6% (price as of 2026-10-02) |
| July 3, 2023 | MNKD | S 10b5-1 | 10,000 | $4.07 | $40,700 | 2,506,735 Direct | -0.40% | Disposed | -6.6% (price as of 2026-10-02) |
| June 30, 2023 | MNKD | A | 4,635 | $3.46 | $16,037 | 2,153,300 Direct | +0.22% | Acquired | 9.8% (price as of 2026-10-02) |
| June 1, 2023 | MNKD | S 10b5-1 | 10,000 | $4.53 | $45,300 | 2,516,735 Direct | -0.40% | Disposed | -16.1% (price as of 2026-10-02) |
| May 26, 2023 | MNKD | S 10b5-1 | 75,000 | $4.50 | $337,500 | 2,526,735 Direct | -2.88% | Disposed | -15.6% (price as of 2026-10-02) |
| May 25, 2023 | MNKD | A | 422,000 | · | · | 422,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 25, 2023 | MNKD | S 10b5-1 | 75,000 | $4.59 | $344,250 | 2,601,735 Direct | -2.80% | Disposed | -17.2% (price as of 2026-10-02) |
| May 25, 2023 | MNKD | A | 345,000 | · | · | 2,676,735 Direct | +14.80% | Acquired | (price as of 2026-10-02) |
| May 24, 2023 | MNKD | S 10b5-1 | 150,000 | $4.69 | $703,500 | 2,331,735 Direct | -6.04% | Disposed | -19.0% (price as of 2026-10-02) |
| May 22, 2023 | MNKD | F | 500,000 | $4.79 | $2,395,000 | 2,481,735 Direct | -16.77% | Disposed | -20.7% (price as of 2026-10-02) |
| May 22, 2023 | MNKD | A | 1,000,000 | $4.79 | $4,790,000 | 2,981,735 Direct | +50.46% | Acquired | -20.7% (price as of 2026-10-02) |
| May 18, 2023 | MNKD | F | 16,434 | $4.56 | $74,939 | 1,981,735 Direct | -0.82% | Disposed | -16.7% (price as of 2026-10-02) |
| May 10, 2023 | MNKD | F | 21,959 | $4.40 | $96,620 | 1,998,169 Direct | -1.09% | Disposed | -13.6% (price as of 2026-10-02) |
| May 5, 2023 | MNKD | S 10b5-1 | 10,000 | $4.00 | $40,000 | 2,020,128 Direct | -0.49% | Disposed | -5.0% (price as of 2026-10-02) |
| April 3, 2023 | MNKD | S 10b5-1 | 10,000 | $4.13 | $41,300 | 2,030,128 Direct | -0.49% | Disposed | -8.0% (price as of 2026-10-02) |
| March 1, 2023 | MNKD | S 10b5-1 | 10,000 | $5.27 | $52,700 | 2,040,128 Direct | -0.49% | Disposed | -27.9% (price as of 2026-10-02) |
| Aug. 27, 2022 | MNKD | F | 35,952 | $3.73 | $134,101 | 2,048,534 Direct | -1.72% | Disposed | 1.9% (price as of 2026-10-02) |
| July 31, 2022 | MNKD | A | 3,147 | $2.93 | $9,221 | 2,084,486 Direct | +0.15% | Acquired | 29.7% (price as of 2026-10-02) |
| July 31, 2022 | MNKD | P | 3,147 | $2.93 | $9,221 | 2,084,486 Direct | +0.15% | Acquired | 29.7% (price as of 2026-10-02) |
| May 18, 2022 | MNKD | F | 16,434 | $3.19 | $52,424 | 2,081,339 Direct | -0.78% | Disposed | 19.1% (price as of 2026-10-02) |
| May 10, 2022 | MNKD | A | 311,000 | · | · | 2,097,773 Direct | +17.41% | Acquired | (price as of 2026-10-02) |
| May 10, 2022 | MNKD | A | 254,000 | · | · | 1,786,773 Direct | +16.57% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2022 | MNKD | A | 27,675 | $2.71 | $74,999 | 1,532,773 Direct | +1.84% | Acquired | 40.2% (price as of 2026-10-02) |
| Feb. 28, 2022 | MNKD | P | 27,675 | $2.71 | $74,999 | 1,532,773 Direct | +1.84% | Acquired | 40.2% (price as of 2026-10-02) |
| Jan. 31, 2022 | MNKD | A | 1,804 | $3.17 | $5,719 | 1,505,098 Direct | +0.12% | Acquired | 19.9% (price as of 2026-10-02) |
| Jan. 31, 2022 | MNKD | P | 1,804 | $3.17 | $5,719 | 1,505,098 Direct | +0.12% | Acquired | 19.9% (price as of 2026-10-02) |
| Jan. 31, 2022 | MNKD | P | 2,334 | $3.17 | $7,399 | 1,505,628 Direct | +0.16% | Acquired | 19.9% (price as of 2026-10-02) |
| Aug. 27, 2021 | MNKD | F | 35,358 | $4.91 | $173,608 | 1,503,294 Direct | -2.30% | Disposed | -22.6% (price as of 2026-10-02) |
| July 30, 2021 | MNKD | P | 5,000 | $2.99 | $14,950 | 1,538,652 Direct | +0.33% | Acquired | 27.1% (price as of 2026-10-02) |
| May 18, 2021 | MNKD | A | 226,000 | · | · | 1,533,652 Direct | +17.28% | Acquired | (price as of 2026-10-02) |
| May 18, 2021 | MNKD | A | 190,092 | · | · | 1,307,652 Direct | +17.01% | Acquired | (price as of 2026-10-02) |
| March 5, 2021 | MNKD | P | 3,000 | $3.38 | $10,140 | 3,000 Indirect | · | Acquired | 12.4% (price as of 2026-10-02) |
| Jan. 31, 2021 | MNKD | P | 5,000 | $1.33 | $6,650 | 1,117,560 Direct | +0.45% | Acquired | 185.7% (price as of 2026-10-02) |
| Aug. 27, 2020 | MNKD | A | 500,000 | · | · | 1,112,560 Direct | +81.62% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 133 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | MNKD | Performance Restricted Stock Unit | Common Stock, $0.01 Par Value | · | · | 350,260 | Disposed |
| March 23, 2026 | MNKD | Employee Stock Option (right to buy) | Common Stock, $0.01 Par Value | $2.44 | March 23, 2036 | 782,000 | Acquired |
| March 23, 2026 | MNKD | Performance Restricted Stock Unit | Common Stock, $0.01 Par Value | · | · | 796,000 | Acquired |
| Feb. 26, 2026 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.42 | May 25, 2027 | 37,525 | Acquired |
| Feb. 26, 2026 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.52 | May 29, 2027 | 57,750 | Acquired |
| Feb. 26, 2026 | MNKD | Employee Stock Option (right to buy) | Stock Options | $4.55 | May 19, 2026 | 50,000 | Acquired |
| Dec. 17, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 50,000 | Disposed |
| Dec. 17, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 15,804 | Disposed |
| Dec. 16, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 21,310 | Disposed |
| Dec. 12, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 12,886 | Disposed |
| Dec. 12, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 7,920 | Disposed |
| Dec. 2, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 42,080 | Disposed |
| Dec. 2, 2025 | MNKD | Employee Stock Option (Right to Buy) | Common Stock, $0.01 Par Value | $4.55 | May 19, 2026 | 65,840 | Disposed |
| May 13, 2025 | MNKD | Performance Restricted Stock Unit | Common Stock, $0.01 Par Value | · | · | 523,000 | Acquired |
| May 15, 2024 | MNKD | Performance Restricted Stock Unit | Common Stock, $.01 Par Value | · | · | 569,000 | Acquired |
| May 25, 2023 | MNKD | Performance Restricted Stock Unit | Common Stock, $.01 Par Value | · | · | 422,000 | Acquired |
| Feb. 25, 2020 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.52 | May 29, 2027 | 57,750 | Acquired |
| Feb. 25, 2020 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.42 | May 25, 2027 | 37,525 | Acquired |
| Feb. 25, 2020 | MNKD | Employee Stock Option (right to buy) | Stock Options | $4.55 | May 19, 2026 | 50,000 | Acquired |
| May 14, 2019 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.32 | May 14, 2029 | 584,000 | Acquired |
| Aug. 2, 2018 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.42 | May 25, 2027 | 37,525 | Acquired |
| Aug. 2, 2018 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.52 | May 29, 2027 | 57,750 | Acquired |
| Aug. 2, 2018 | MNKD | Employee Stock Option (right to buy) | Stock Options | $4.55 | May 19, 2026 | 50,000 | Acquired |
| May 16, 2018 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.91 | May 16, 2028 | 534,000 | Acquired |
| May 26, 2017 | MNKD | Employee Stock Option (right to buy) | Stock Options | $1.52 | May 29, 2027 | 191,000 | Acquired |
| May 19, 2016 | MNKD | Employee Stock Option (right to buy) | Stock Options | $0.91 | March 14, 2026 | 329,200 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $598,462 | · | $2,911,592 | · | $481,762 | · | $39,017 | $4,030,833 |
| 2020 | $495,192 | · | $2,580,300 | · | $450,625 | · | $37,178 | $3,563,295 |
| 2019 | $510,962 | · | $90,000 | · | $285,117 | · | $48,118 | $1,551,765 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.