Michael Castagna

CIK 1674282 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 14, 2018 · Latest: Feb. 14, 2018

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Insider transactions

1 buys (P) 4 sells (S) Net: $-990,292 + 69 non-open-market transactions below Avg return of open purchases vs now: 64.4% last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

69 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
March 10, 2026 MNKD P 100,000 $2.59 $259,000 2,575,911 Direct +4.04% Acquired 64.4% (price as of 2026-08-19)
Dec. 17, 2025 MNKD S 10b5-1 65,804 $6.01 $395,482 2,504,792 Direct -2.56% Disposed -29.2% (price as of 2026-08-19)
Dec. 16, 2025 MNKD S 10b5-1 21,310 $6.00 $127,860 2,504,792 Direct -0.84% Disposed -29.0% (price as of 2026-08-19)
Dec. 12, 2025 MNKD S 10b5-1 20,806 $6.00 $124,836 2,504,792 Direct -0.82% Disposed -29.0% (price as of 2026-08-19)
Dec. 2, 2025 MNKD S 10b5-1 107,920 $5.57 $601,114 2,504,792 Direct -4.13% Disposed -23.6% (price as of 2026-08-19)
Aug. 29, 2024 MNKD S 85,106 $6.30 $536,168 2,294,836 Direct -3.58% Disposed -32.4% (price as of 2026-08-19)
Dec. 15, 2023 MNKD S 10b5-1 90,482 $4.00 $361,928 2,148,665 Direct -4.04% Disposed 6.4% (price as of 2026-08-19)
Dec. 14, 2023 MNKD S 10b5-1 100,000 $4.00 $400,000 2,239,147 Direct -4.28% Disposed 6.4% (price as of 2026-08-19)
Dec. 14, 2023 MNKD S 10b5-1 10,000 $4.00 $40,000 2,339,147 Direct -0.43% Disposed 6.4% (price as of 2026-08-19)
Nov. 1, 2023 MNKD S 10b5-1 10,000 $4.25 $42,500 2,349,147 Direct -0.42% Disposed 0.2% (price as of 2026-08-19)
Oct. 2, 2023 MNKD S 10b5-1 10,000 $4.08 $40,800 2,359,147 Direct -0.42% Disposed 4.4% (price as of 2026-08-19)
Oct. 2, 2023 MNKD S 10b5-1 10,000 $4.61 $46,100 2,359,147 Direct -0.42% Disposed -7.6% (price as of 2026-08-19)
Sept. 1, 2023 MNKD S 10b5-1 10,000 $4.61 $46,100 2,436,039 Direct -0.41% Disposed -7.6% (price as of 2026-08-19)
Aug. 1, 2023 MNKD S 10b5-1 10,000 $4.57 $45,700 2,496,735 Direct -0.40% Disposed -6.8% (price as of 2026-08-19)
July 5, 2023 MNKD S 10b5-1 5,586 $4.01 $22,400 2,506,735 Direct -0.22% Disposed 6.2% (price as of 2026-08-19)
July 3, 2023 MNKD S 10b5-1 4,414 $4.07 $17,965 2,512,321 Direct -0.18% Disposed 4.6% (price as of 2026-08-19)
July 3, 2023 MNKD S 10b5-1 10,000 $4.07 $40,700 2,506,735 Direct -0.40% Disposed 4.6% (price as of 2026-08-19)
June 1, 2023 MNKD S 10b5-1 10,000 $4.53 $45,300 2,516,735 Direct -0.40% Disposed -6.0% (price as of 2026-08-19)
May 26, 2023 MNKD S 10b5-1 75,000 $4.50 $337,500 2,526,735 Direct -2.88% Disposed -5.4% (price as of 2026-08-19)
May 25, 2023 MNKD S 10b5-1 75,000 $4.59 $344,250 2,601,735 Direct -2.80% Disposed -7.2% (price as of 2026-08-19)
May 24, 2023 MNKD S 10b5-1 150,000 $4.69 $703,500 2,331,735 Direct -6.04% Disposed -9.2% (price as of 2026-08-19)
May 5, 2023 MNKD S 10b5-1 10,000 $4.00 $40,000 2,020,128 Direct -0.49% Disposed 6.4% (price as of 2026-08-19)
April 3, 2023 MNKD S 10b5-1 10,000 $4.13 $41,300 2,030,128 Direct -0.49% Disposed 3.1% (price as of 2026-08-19)
March 1, 2023 MNKD S 10b5-1 10,000 $5.27 $52,700 2,040,128 Direct -0.49% Disposed -19.2% (price as of 2026-08-19)
July 31, 2022 MNKD P 3,147 $2.93 $9,221 2,084,486 Direct +0.15% Acquired 45.3% (price as of 2026-08-19)
Feb. 28, 2022 MNKD P 27,675 $2.71 $74,999 1,532,773 Direct +1.84% Acquired 57.1% (price as of 2026-08-19)
Jan. 31, 2022 MNKD P 1,804 $3.17 $5,719 1,505,098 Direct +0.12% Acquired 34.3% (price as of 2026-08-19)
Jan. 31, 2022 MNKD P 2,334 $3.17 $7,399 1,505,628 Direct +0.16% Acquired 34.3% (price as of 2026-08-19)
July 30, 2021 MNKD P 5,000 $2.99 $14,950 1,538,652 Direct +0.33% Acquired 42.4% (price as of 2026-08-19)
March 5, 2021 MNKD P 3,000 $3.38 $10,140 3,000 Indirect — Acquired 26.0% (price as of 2026-08-19)
Jan. 31, 2021 MNKD P 5,000 $1.33 $6,650 1,117,560 Direct +0.45% Acquired 220.1% (price as of 2026-08-19)

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) — — 350,260 Disposed
March 23, 2026 MNKD Employee Stock Option (right to buy) Common Stock, $0.01 Par Value (782,000) $2.44 March 23, 2036 782,000 Acquired
March 23, 2026 MNKD Performance Restricted Stock Unit Common Stock, $0.01 Par Value (796,000) — — 796,000 Acquired
Feb. 26, 2026 MNKD Employee Stock Option (right to buy) Stock Options (37,525) $1.42 May 25, 2027 37,525 Acquired
Feb. 26, 2026 MNKD Employee Stock Option (right to buy) Stock Options (57,750) $1.52 May 29, 2027 57,750 Acquired
Feb. 26, 2026 MNKD Employee Stock Option (right to buy) Stock Options (50,000) $4.55 May 19, 2026 50,000 Acquired
Dec. 17, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (50,000) $4.55 May 19, 2026 50,000 Disposed
Dec. 17, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (15,804) $4.55 May 19, 2026 15,804 Disposed
Dec. 16, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (21,310) $4.55 May 19, 2026 21,310 Disposed
Dec. 12, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (12,886) $4.55 May 19, 2026 12,886 Disposed
Dec. 12, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (7,920) $4.55 May 19, 2026 7,920 Disposed
Dec. 2, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (42,080) $4.55 May 19, 2026 42,080 Disposed
Dec. 2, 2025 MNKD Employee Stock Option (Right to Buy) Common Stock, $0.01 Par Value (65,840) $4.55 May 19, 2026 65,840 Disposed
May 13, 2025 MNKD Performance Restricted Stock Unit Common Stock, $0.01 Par Value (523,000) — — 523,000 Acquired
May 15, 2024 MNKD Performance Restricted Stock Unit Common Stock, $.01 Par Value (569,000) — — 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 (57,750) $1.52 May 29, 2027 57,750 Acquired
Feb. 25, 2020 MNKD Employee Stock Option (right to buy) Stock Options (37,525) $1.42 May 25, 2027 37,525 Acquired
Feb. 25, 2020 MNKD Employee Stock Option (right to buy) Stock Options (50,000) $4.55 May 19, 2026 50,000 Acquired
May 14, 2019 MNKD Employee Stock Option (right to buy) Stock Options (584,000) $1.32 May 14, 2029 584,000 Acquired
Aug. 2, 2018 MNKD Employee Stock Option (right to buy) Stock Options (37,525) $1.42 May 25, 2027 37,525 Acquired
Aug. 2, 2018 MNKD Employee Stock Option (right to buy) Stock Options (57,750) $1.52 May 29, 2027 57,750 Acquired
Aug. 2, 2018 MNKD Employee Stock Option (right to buy) Stock Options (50,000) $4.55 May 19, 2026 50,000 Acquired
May 16, 2018 MNKD Employee Stock Option (right to buy) Stock Options (534,000) $1.91 May 16, 2028 534,000 Acquired
May 26, 2017 MNKD Employee Stock Option (right to buy) Stock Options (191,000) $1.52 May 29, 2027 191,000 Acquired
May 19, 2016 MNKD Employee Stock Option (right to buy) Stock Options (329,200) $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.

MNKD

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.