Nadir Mahmood

CIK 1816598 · View on SEC EDGAR ↗

Insider

First SEC filing: July 31, 2024 · Latest: July 31, 2024

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Insider transactions

0 buys (P) 1 sells (S) Net: $-11,693 + 36 non-open-market transactions below 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

36 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Jan. 15, 2026 NKTX S 5,649 $2.07 $11,693 167,727 Direct -3.26% Disposed 22.6% (price as of 2026-08-21)
June 20, 2023 NKTX S 526 $4.85 $2,551 85,776 Direct -0.61% Disposed -47.7% (price as of 2026-08-21)
Jan. 17, 2023 NKTX S 1,122 $5.49 $6,160 84,302 Direct -1.31% Disposed -53.8% (price as of 2026-08-21)
Aug. 15, 2022 NKTX S 10b5-1 7,500 $18.03 $135,225 46,088 Direct -14.00% Disposed -85.9% (price as of 2026-08-21)
Aug. 8, 2022 NKTX S 10b5-1 7,500 $15.32 $114,900 46,088 Direct -14.00% Disposed -83.4% (price as of 2026-08-21)
July 25, 2022 NKTX S 10b5-1 7,500 $13.40 $100,500 46,088 Direct -14.00% Disposed -81.1% (price as of 2026-08-21)
July 1, 2021 NKTX S 10b5-1 6,500 $31.71 $206,115 27,288 Direct -19.24% Disposed -92.0% (price as of 2026-08-21)
May 10, 2021 NKTX S 10b5-1 3,000 $27.16 $81,480 28,488 Direct -9.53% Disposed -90.7% (price as of 2026-08-21)
April 1, 2021 NKTX S 10b5-1 3,500 $32.70 $114,450 31,488 Direct -10.00% Disposed -92.2% (price as of 2026-08-21)
Jan. 25, 2021 NKTX S 10b5-1 3,500 $48.40 $169,400 31,488 Direct -10.00% Disposed -94.8% (price as of 2026-08-21)
Jan. 25, 2021 NKTX S 10b5-1 2,000 $48.86 $97,720 34,988 Direct -5.41% Disposed -94.8% (price as of 2026-08-21)

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
Jan. 6, 2026 NKTX Stock Option (right to buy) Common Stock (160,000) $1.93 Jan. 5, 2036 160,000 Acquired
June 5, 2025 NKTX Stock Option (right to buy) Common Stock (123,500) $1.83 June 4, 2035 123,500 Acquired
Jan. 3, 2025 NKTX Stock Option (right to buy) Common Stock (123,500) $2.50 Jan. 2, 2035 123,500 Acquired
July 29, 2024 NKTX Stock Option (right to buy) Common Stock (550,000) $6.69 July 28, 2034 550,000 Acquired
Jan. 13, 2023 NKTX Stock Option (right to buy) Common Stock (75,000) $5.57 Jan. 12, 2033 75,000 Acquired
Aug. 15, 2022 NKTX Stock Option (right to buy) Common Stock (2,681) $3.89 Sept. 5, 2029 2,681 Disposed
Aug. 15, 2022 NKTX Stock Option (right to buy) Common Stock (4,819) $3.89 Sept. 5, 2029 4,819 Disposed
Aug. 8, 2022 NKTX Stock Option (right to buy) Common Stock (7,500) $3.89 Sept. 5, 2029 7,500 Disposed
July 25, 2022 NKTX Stock Option (right to buy) Common Stock (7,500) $3.89 Sept. 5, 2029 7,500 Disposed
June 17, 2022 NKTX Stock Option (right to buy) Common Stock (40,000) $12.25 June 16, 2032 40,000 Acquired
Jan. 14, 2022 NKTX Stock Option (right to buy) Common Stock (76,800) $12.14 Jan. 13, 2032 76,800 Acquired
July 1, 2021 NKTX Stock Option (right to buy) Common Stock (3,500) $3.89 Sept. 5, 2029 3,500 Disposed
June 16, 2021 NKTX Stock Option (right to buy) Common Stock (1,800) $3.89 Sept. 5, 2029 1,800 Disposed
April 1, 2021 NKTX Stock Option (right to buy) Common Stock (3,500) $3.89 Sept. 5, 2029 3,500 Disposed
Jan. 25, 2021 NKTX Stock Option (right to buy) Common Stock (5,500) $3.89 Sept. 5, 2029 5,500 Disposed
Jan. 14, 2021 NKTX Stock Option (right to buy) Common Stock (3,083) $3.89 Sept. 5, 2029 3,083 Disposed
Jan. 8, 2021 NKTX Stock Option (right to buy) Common Stock (52,500) $54.89 Jan. 7, 2031 52,500 Acquired
Dec. 3, 2020 NKTX Stock Option (right to buy) Common Stock (3,000) $3.89 Sept. 5, 2029 3,000 Disposed
Oct. 2, 2020 NKTX Stock Option (right to buy) Common Stock (50,000) — Oct. 2, 2030 50,000 Acquired
Oct. 2, 2020 NKTX Stock Option (right to buy) Common Stock (50,000) $29.97 Oct. 2, 2030 50,000 Acquired
July 9, 2020 NKTX Stock Option (right to buy) Common Stock (27,600) $18.00 June 30, 2030 27,600 Acquired
July 9, 2020 NKTX Stock Option (right to buy) Common Stock (48,400) $18.00 July 8, 2030 48,400 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
July 31, 2024 NKTX Common Stock 31,376 Direct
July 9, 2020 NKTX Common Stock 25,405 Direct
July 9, 2020 NKTX Stock Option (right to buy)→ Common Stock — Direct
July 9, 2020 NKTX Stock Option (right to buy)→ Common Stock — Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

NKTX

Ph.D.(1)President
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $543,250 — $155,000 $434,646 $252,611 — $10,500 $1,396,007
2024 $226,354 — — $3,001,680 $101,281 — $6,801 $3,336,117
2022 $441,066 — $228,892 $963,320 $176,426 — $9,150 $1,818,854

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.