Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 6 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 11, 2026 PLRX A 70,000 · · 70,000 Direct · Acquired (price as of 2026-10-05)
June 5, 2025 PLRX A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-05)
June 13, 2024 PLRX A 26,764 · · 26,764 Direct · Acquired (price as of 2026-10-05)
June 7, 2023 PLRX A 14,000 · · 14,000 Direct · Acquired (price as of 2026-10-05)
June 16, 2022 PLRX A 15,000 · · 15,000 Direct · Acquired (price as of 2026-10-05)
June 29, 2021 PLRX A 13,286 · · 13,286 Direct · Acquired (price as of 2026-10-05)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 11, 2026 PLRX Stock Option (Right to Buy) Common Stock (70,000) $1.14 June 11, 2036 70,000 Acquired
June 5, 2025 PLRX Common Stock (Right to Buy) Common Stock (30,000) $1.61 June 5, 2035 30,000 Acquired
June 13, 2024 PLRX Common Stock (Right to Buy) Common Stock (26,764) $13.06 June 13, 2034 26,764 Acquired
June 7, 2023 PLRX Stock Option (Right to Buy) Common Stock (14,000) $23.09 June 7, 2033 14,000 Acquired
June 16, 2022 PLRX Stock Option (right to buy) Common Stock (15,000) $6.80 June 15, 2032 15,000 Acquired
June 29, 2021 PLRX Stock Option (right to buy) Common Stock (13,286) $28.20 June 28, 2031 13,286 Acquired

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
June 2, 2020 PLRX Common Stock 29,278 Direct
June 2, 2020 PLRX Stock Option (right to buy)→ Common Stock (3,496) 3,496 Direct
June 2, 2020 PLRX Stock Option (right to buy)→ Common Stock (3,496) 3,496 Direct
June 2, 2020 PLRX Stock Option (right to buy)→ Common Stock (14,076) 14,076 Direct