Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 18 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

18 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 7, 2024 REFR P 4,300 $1.74 $7,482 33,926 Indirect +14.51% Acquired -58.1% (price as of 2026-10-02)
Feb. 7, 2024 REFR P 1,000 $1.00 $1,000 4,269 Indirect +30.59% Acquired -27.1% (price as of 2026-10-02)
Dec. 11, 2023 REFR P 7,750 $0.97 $7,518 217,192 Direct +3.70% Acquired -24.9% (price as of 2026-10-02)
Oct. 2, 2023 REFR P 500 $1.05 $525 3,269 Indirect +18.06% Acquired -30.6% (price as of 2026-10-02)
Sept. 13, 2023 REFR P 1,600 $1.35 $2,160 209,442 Direct +0.77% Acquired -46.0% (price as of 2026-10-02)
Sept. 13, 2023 REFR P 5,350 $1.40 $7,490 75,158 Indirect +7.66% Acquired -48.0% (price as of 2026-10-02)
June 16, 2023 REFR P 4,700 $1.49 $7,003 207,842 Direct +2.31% Acquired -51.1% (price as of 2026-10-02)
June 15, 2023 REFR P 4,400 $1.59 $6,996 129,400 Indirect +3.52% Acquired -54.2% (price as of 2026-10-02)
Feb. 9, 2023 REFR P 3,500 $2.00 $7,000 203,142 Direct +1.75% Acquired -63.6% (price as of 2026-10-02)
Jan. 25, 2023 REFR P 3,500 $2.00 $7,000 25,226 Indirect +16.11% Acquired -63.6% (price as of 2026-10-02)
Nov. 19, 2018 REFR P 3,225 $1.23 $3,967 199,617 Direct +1.64% Acquired -40.8% (price as of 2026-10-02)
Oct. 15, 2018 REFR P 1,500 $1.66 $2,490 196,392 Direct +0.77% Acquired -56.1% (price as of 2026-10-02)
Oct. 11, 2018 REFR P 2,000 $1.74 $3,480 19,228 Indirect +11.61% Acquired -58.1% (price as of 2026-10-02)
July 23, 2018 REFR P 2,298 $0.85 $1,953 19,726 Indirect +13.19% Acquired -14.3% (price as of 2026-10-02)
July 20, 2018 REFR P 200 $0.83 $166 17,428 Indirect +1.16% Acquired -12.2% (price as of 2026-10-02)
July 19, 2018 REFR P 2 $0.81 $2 17,228 Indirect +0.01% Acquired -10.0% (price as of 2026-10-02)
July 16, 2018 REFR P 3,000 $0.82 $2,460 17,226 Indirect +21.09% Acquired -11.1% (price as of 2026-10-02)
July 13, 2018 REFR P 354 $0.82 $290 14,226 Indirect +2.55% Acquired -11.1% (price as of 2026-10-02)
July 11, 2018 REFR P 285 $0.83 $237 13,872 Indirect +2.10% Acquired -12.2% (price as of 2026-10-02)
June 6, 2018 REFR P 3,063 $0.90 $2,757 69,808 Indirect +4.59% Acquired -19.0% (price as of 2026-10-02)
June 5, 2018 REFR P 2,500 $0.92 $2,300 66,745 Indirect +3.89% Acquired -20.8% (price as of 2026-10-02)
May 31, 2018 REFR P 1,019 $0.81 $825 2,769 Indirect +58.23% Acquired -10.0% (price as of 2026-10-02)
May 30, 2018 REFR P 1,012 $0.81 $820 1,750 Indirect +137.13% Acquired -10.0% (price as of 2026-10-02)
May 16, 2018 REFR P 7,450 $0.87 $6,482 194,892 Direct +3.97% Acquired -16.3% (price as of 2026-10-02)
Dec. 1, 2017 REFR P 2,000 $0.98 $1,960 187,442 Direct +1.08% Acquired -25.7% (price as of 2026-10-02)
Aug. 11, 2017 REFR P 827 $1.10 $910 185,442 Direct +0.45% Acquired -33.8% (price as of 2026-10-02)
Aug. 10, 2017 REFR P 673 $1.10 $740 184,615 Direct +0.37% Acquired -33.8% (price as of 2026-10-02)
Aug. 9, 2017 REFR P 1,000 $1.13 $1,130 183,942 Direct +0.55% Acquired -35.5% (price as of 2026-10-02)
Aug. 7, 2017 REFR P 1,500 $1.18 $1,770 182,942 Direct +0.83% Acquired -38.3% (price as of 2026-10-02)
July 19, 2017 REFR P 32,378 · · 90,228 Direct +55.97% Acquired (price as of 2026-10-02)
July 19, 2017 REFR P 5,200 · · 95,428 Direct +5.76% Acquired (price as of 2026-10-02)
July 19, 2017 REFR P 2,587 · · 98,015 Direct +2.71% Acquired (price as of 2026-10-02)
July 19, 2017 REFR P 12,058 · · 110,073 Direct +12.30% Acquired (price as of 2026-10-02)
July 19, 2017 REFR P 891 · · 110,964 Direct +0.81% Acquired (price as of 2026-10-02)
July 19, 2017 REFR P 494 · · 111,458 Direct +0.45% Acquired (price as of 2026-10-02)
May 15, 2014 REFR P 1,225 $5.29 $6,480 13,587 Indirect +9.91% Acquired -86.2% (price as of 2026-10-02)
May 15, 2014 REFR P 1,225 $5.29 $6,480 306,442 Direct +0.40% Acquired -86.2% (price as of 2026-10-02)
Dec. 31, 2013 REFR P 1,500 $5.69 $8,535 305,217 Direct +0.49% Acquired -87.2% (price as of 2026-10-02)
Dec. 31, 2013 REFR P 1,500 $5.69 $8,535 305,257 Direct +0.49% Acquired -87.2% (price as of 2026-10-02)
Dec. 18, 2013 REFR P 1,155 $5.61 $6,480 12,362 Indirect +10.31% Acquired -87.0% (price as of 2026-10-02)
Dec. 13, 2013 REFR P 1,150 $5.69 $6,544 303,717 Direct +0.38% Acquired -87.2% (price as of 2026-10-02)
Aug. 26, 2013 REFR P 735 $4.35 $3,197 11,207 Indirect +7.02% Acquired -83.3% (price as of 2026-10-02)
Aug. 23, 2013 REFR P 675 $4.21 $2,842 10,472 Indirect +6.89% Acquired -82.7% (price as of 2026-10-02)
Aug. 16, 2013 REFR P 2,700 $4.42 $11,934 302,567 Direct +0.90% Acquired -83.5% (price as of 2026-10-02)

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
Dec. 31, 2025 REFR Stock Option (right to buy) Common Stock (45,000) $1.33 Dec. 30, 2035 45,000 Acquired
Dec. 31, 2024 REFR Stock Option (right to buy) Common Stock (45,000) $1.68 Dec. 30, 2034 45,000 Acquired
Dec. 31, 2023 REFR Stock Option (right to buy) Common Stock (45,000) $1.02 Dec. 30, 2033 45,000 Acquired
Dec. 31, 2022 REFR Stock Option (right to buy) Common Stock (45,000) $1.95 Dec. 30, 2032 45,000 Acquired
Dec. 31, 2021 REFR Stock Option (right to buy) Common Stock (40,000) $1.72 Dec. 30, 2031 40,000 Acquired
Dec. 31, 2020 REFR Stock Option (right to buy) Common Stock (40,000) $2.78 Dec. 30, 2030 40,000 Acquired
Dec. 31, 2019 REFR Stock Option(right to buy) Common Stock $3.11 Dec. 30, 2029 40,000 Acquired
Dec. 31, 2019 REFR Stock Option(right to buy) Common Stock (35,000) $3.11 Dec. 30, 2029 35,000 Acquired
June 13, 2019 REFR Stock Option(right to buy) Common Stock (35,000) $2.89 June 12, 2029 35,000 Acquired
Dec. 31, 2017 REFR Stock Option(right to buy) Common Stock (15,000) $1.06 Dec. 30, 2027 15,000 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (32,378) $9.80 Dec. 2, 2017 32,378 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (5,200) $3.69 Dec. 31, 2019 5,200 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (2,587) $3.70 Dec. 31, 2023 2,587 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (12,058) $5.56 Dec. 30, 2023 12,058 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (891) $5.19 Dec. 30, 2024 891 Acquired
July 19, 2017 REFR Stock Option (right to buy) Common Stock (494) $5.26 Dec. 30, 2025 494 Acquired
Dec. 31, 2016 REFR Stock Option (right to buy) Common Stock (11,000) $1.83 Dec. 30, 2026 11,000 Acquired
Dec. 31, 2015 REFR Stock Option (right to buy) Common Stock (11,000) $5.26 Dec. 30, 2025 11,000 Acquired
Dec. 31, 2014 REFR Stock Option (right to buy) Common Stock (11,950) $5.19 Dec. 30, 2024 11,950 Acquired
Dec. 31, 2013 REFR Stock Option (right to buy) Common Stock (23,900) $5.56 Dec. 30, 2023 23,900 Acquired
Dec. 31, 2013 REFR Stock Option (right to buy) Common Stock (23,900) $5.56 Dec. 30, 2023 23,900 Acquired

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

Initial ownership (Form 3) 9 holdings

07

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

DateTickerSecuritySharesOwnership
June 19, 2012 REFR Common Stock 281,567 Direct
June 19, 2012 REFR Common Stock 64,245 Indirect
June 19, 2012 REFR Common Stock 9,797 Indirect
June 19, 2012 REFR Common Stock 738 Indirect
June 19, 2012 REFR Stock Purchase Warrant→ Common Stock (6,600) 6,600 Indirect
June 19, 2012 REFR Stock Purchase Warrant→ Common Stock (1,400) 1,400 Indirect
June 19, 2012 REFR Stock Purchase Warrant→ Common Stock (2,400) 2,400 Indirect
June 19, 2012 REFR Stock Purchase Warrant→ Common Stock (1,600) 1,600 Direct
June 19, 2012 REFR Stock Purchase Warrant→ Common Stock (1,200) 1,200 Direct