Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 46 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
July 15, 2026 PRPO A 416 $25.24 $10,500 16,549 Direct +2.58% Acquired -5.7% (price as of 2026-10-05)
April 15, 2026 PRPO A 365 $29.49 $10,764 16,133 Direct +2.31% Acquired -19.3% (price as of 2026-10-05)
Jan. 15, 2026 PRPO A 437 $24.00 $10,488 15,777 Direct +2.85% Acquired -0.8% (price as of 2026-10-05)
Jan. 2, 2026 PRPO A 1,500 · · 1,500 Direct · Acquired (price as of 2026-10-05)
Oct. 15, 2025 PRPO A 597 $17.58 $10,495 15,340 Direct +4.05% Acquired 35.4% (price as of 2026-10-05)
Oct. 15, 2025 PRPO A 597 $17.58 $10,495 15,247 Direct +4.08% Acquired 35.4% (price as of 2026-10-05)
July 16, 2025 PRPO A 710 $14.78 $10,494 14,743 Direct +5.06% Acquired 61.0% (price as of 2026-10-05)
Jan. 15, 2025 PRPO A 1,721 $6.10 $10,498 14,033 Direct +13.98% Acquired 290.2% (price as of 2026-10-05)
Jan. 15, 2025 PRPO A 1,721 $6.10 $10,498 14,033 Direct +13.98% Acquired 290.2% (price as of 2026-10-05)
Jan. 14, 2025 PRPO A 1,000 · · 1,000 Direct · Acquired (price as of 2026-10-05)
Oct. 15, 2024 PRPO A 1,586 $6.62 $10,499 12,312 Direct +14.79% Acquired 259.5% (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 2,000 · · 2,000 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 2,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 1,250 · · 1,250 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 1,250 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 1,250 · · 1,250 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 1,250 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 1,087 · · 1,087 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 1,087 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 200 · · 200 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 200 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 375 · · 375 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 375 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 250 · · 250 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 250 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 258 · · 258 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 258 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 103 · · 103 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 103 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Aug. 31, 2024 PRPO A 23 · · 23 Direct · Acquired (price as of 2026-10-05)
Aug. 31, 2024 PRPO D 23 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
July 15, 2024 PRPO A 2,265 $4.63 $10,487 11 Direct · Acquired 414.0% (price as of 2026-10-05)
June 21, 2024 PRPO A 1,000 · · 1,000 Direct · Acquired (price as of 2026-10-05)
April 15, 2024 PRPO A 8,143 $6.70 $54,558 8,461 Direct +2560.69% Acquired 255.2% (price as of 2026-10-05)
Sept. 12, 2023 PRPO A 6,363 · · 6,363 Direct · Acquired (price as of 2026-10-05)
Jan. 6, 2023 PRPO A 30,000 · · 30,000 Direct · Acquired (price as of 2026-10-05)
Jan. 11, 2022 PRPO A 40,000 · · 40,000 Direct · Acquired (price as of 2026-10-05)
Aug. 3, 2021 PRPO A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-05)
Jan. 4, 2021 PRPO A 25,000 · · 25,000 Direct · Acquired (price as of 2026-10-05)
July 2, 2020 PRPO A 21,750 · · 21,750 Direct · Acquired (price as of 2026-10-05)
July 2, 2020 PRPO A 4,000 · · 4,000 Direct · Acquired (price as of 2026-10-05)
Jan. 16, 2020 PRPO A 7,500 · · 7,500 Direct · Acquired (price as of 2026-10-05)
March 18, 2019 PRPO A 75,000 · · 75,000 Direct · Acquired (price as of 2026-10-05)
Feb. 16, 2018 PRPO A 77,563 · · 77,563 Direct · Acquired (price as of 2026-10-05)
Feb. 16, 2018 PRPO A 31,025 · · 31,025 Direct · Acquired (price as of 2026-10-05)
Sept. 26, 2017 PRPO A 7,000 · · 7,000 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 2, 2026 PRPO Stock Option (Right to Buy) Common Stock (1,500) $23.82 Jan. 2, 2036 1,500 Acquired
Jan. 14, 2025 PRPO Stock Option (Right to Buy) Common Stock (1,000) $6.06 Jan. 14, 2035 1,000 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (2,000) · Jan. 11, 2032 2,000 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (2,000) $30.80 Jan. 11, 2032 2,000 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,250) · March 8, 2031 1,250 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,250) $64.40 March 8, 2031 1,250 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,250) · Jan. 4, 2031 1,250 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,250) $42.00 Jan. 4, 2031 1,250 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,087) · July 2, 2030 1,087 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,087) $26.00 July 2, 2030 1,087 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (200) · July 2, 2030 200 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (200) $26.00 July 2, 2030 200 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (375) · Jan. 16, 2030 375 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (375) $42.80 Jan. 16, 2030 375 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (250) · March 18, 2029 250 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (250) $45.00 March 18, 2029 250 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (258) · Feb. 16, 2028 258 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (258) $213.00 Feb. 16, 2028 258 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (103) · Feb. 16, 2028 103 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (103) $213.00 Feb. 16, 2028 103 Disposed
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (23) · Sept. 26, 2027 23 Acquired
Aug. 31, 2024 PRPO Stock Option (Right to Buy) Common Stock (23) $561.00 Sept. 26, 2027 23 Disposed
June 21, 2024 PRPO Stock Option (Right to Buy) Common Stock (1,000) $4.98 June 21, 2034 1,000 Acquired
Jan. 6, 2023 PRPO Stock Option (Right to Buy) Common Stock (30,000) $0.62 Jan. 6, 2033 30,000 Acquired
Jan. 11, 2022 PRPO Stock Option (Right to Buy) Common Stock (40,000) $1.54 Jan. 11, 2032 40,000 Acquired
Aug. 3, 2021 PRPO Stock Option (Right to Buy) Common Stock (25,000) $3.22 Aug. 3, 2031 25,000 Acquired
Jan. 4, 2021 PRPO Stock Option (Right to Buy) Common Stock (25,000) $2.10 Jan. 4, 2031 25,000 Acquired
July 2, 2020 PRPO Stock Option (Right to Buy) Common Stock (21,750) $1.30 July 2, 2030 21,750 Acquired
July 2, 2020 PRPO Stock Option (Right to Buy) Common Stock (4,000) $1.30 July 2, 2030 4,000 Acquired
Jan. 16, 2020 PRPO Stock Option (Right to Buy) Common Stock (7,500) $2.14 Jan. 16, 2030 7,500 Acquired
March 18, 2019 PRPO Stock Option (Right to Buy) Common Stock (75,000) $0.15 March 18, 2029 75,000 Acquired
Feb. 16, 2018 PRPO Stock Option (Right to Buy) Common Stock (77,563) $0.71 Feb. 16, 2028 77,563 Acquired
Feb. 16, 2018 PRPO Stock Option (Right to Buy) Common Stock (31,025) $0.71 Feb. 16, 2028 31,025 Acquired
Sept. 26, 2017 PRPO Stock Option (Right to Buy) Common Stock (7,000) $1.87 Sept. 26, 2027 7,000 Acquired

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