Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-732,826 + 67 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

67 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Jan. 27, 2026 ISTR S 26,163 $28.01 $732,826 242,750 Direct -9.73% Disposed 5.0% (price as of 2026-10-02)
June 7, 2024 ISTR S 650 $15.41 $10,016 218,564 Direct -0.30% Disposed 90.9% (price as of 2026-10-02)
Nov. 14, 2023 ISTR P 300 $10.45 $3,135 206,882 Direct +0.15% Acquired 181.4% (price as of 2026-10-02)
Nov. 8, 2023 ISTR P 750 $9.26 $6,945 206,582 Direct +0.36% Acquired 217.6% (price as of 2026-10-02)
Oct. 31, 2023 ISTR P 307 $9.25 $2,840 205,832 Direct +0.15% Acquired 217.9% (price as of 2026-10-02)
May 2, 2023 ISTR P 300 $12.54 $3,762 205,525 Direct +0.15% Acquired 134.5% (price as of 2026-10-02)
May 2, 2023 ISTR P 250 $12.36 $3,090 250 Indirect · Acquired 137.9% (price as of 2026-10-02)
April 27, 2023 ISTR P 200 $12.98 $2,596 205,225 Direct +0.10% Acquired 126.6% (price as of 2026-10-02)
April 25, 2023 ISTR P 100 $12.90 $1,290 205,025 Direct +0.05% Acquired 128.0% (price as of 2026-10-02)
March 15, 2023 ISTR P 200 $15.73 $3,146 188,976 Direct +0.11% Acquired 87.0% (price as of 2026-10-02)
March 15, 2023 ISTR P 125 $15.70 $1,962 189,101 Direct +0.07% Acquired 87.3% (price as of 2026-10-02)
March 15, 2023 ISTR P 150 $15.75 $2,362 189,251 Direct +0.08% Acquired 86.7% (price as of 2026-10-02)
March 14, 2023 ISTR P 325 $16.75 $5,444 188,776 Direct +0.17% Acquired 75.6% (price as of 2026-10-02)
Nov. 7, 2022 ISTR P 100 $21.85 $2,185 189,540 Direct +0.05% Acquired 34.6% (price as of 2026-10-02)
Nov. 3, 2022 ISTR P 200 $21.86 $4,372 189,440 Direct +0.11% Acquired 34.5% (price as of 2026-10-02)
March 10, 2022 ISTR P 50 $19.65 $982 177,919 Direct +0.03% Acquired 49.7% (price as of 2026-10-02)
March 10, 2022 ISTR P 25 $19.65 $491 177,944 Direct +0.01% Acquired 49.7% (price as of 2026-10-02)
March 10, 2022 ISTR P 25 $19.65 $491 177,969 Direct +0.01% Acquired 49.7% (price as of 2026-10-02)
March 8, 2022 ISTR P 50 $19.81 $990 177,819 Direct +0.03% Acquired 48.5% (price as of 2026-10-02)
March 8, 2022 ISTR P 50 $19.81 $990 177,869 Direct +0.03% Acquired 48.5% (price as of 2026-10-02)
March 7, 2022 ISTR P 100 $19.97 $1,997 177,669 Direct +0.06% Acquired 47.3% (price as of 2026-10-02)
March 7, 2022 ISTR P 100 $19.90 $1,990 177,769 Direct +0.06% Acquired 47.8% (price as of 2026-10-02)
Feb. 24, 2022 ISTR P 100 $19.95 $1,995 178,963 Direct +0.06% Acquired 47.4% (price as of 2026-10-02)
Dec. 9, 2021 ISTR P 300 $18.04 $5,412 178,763 Direct +0.17% Acquired 63.0% (price as of 2026-10-02)
Dec. 9, 2021 ISTR P 100 $18.02 $1,802 178,863 Direct +0.06% Acquired 63.2% (price as of 2026-10-02)
Oct. 29, 2020 ISTR P 100 $12.81 $1,281 169,492 Direct +0.06% Acquired 129.6% (price as of 2026-10-02)
Dec. 9, 2019 ISTR S 10b5-1 5,000 $24.97 $124,850 163,234 Direct -2.97% Disposed 17.8% (price as of 2026-10-02)
Sept. 12, 2019 ISTR S 10b5-1 329 $23.50 $7,732 158,234 Direct -0.21% Disposed 25.1% (price as of 2026-10-02)
Sept. 12, 2019 ISTR S 10b5-1 329 $23.50 $7,732 163,234 Direct -0.20% Disposed 25.1% (price as of 2026-10-02)
Sept. 11, 2019 ISTR S 10b5-1 4,671 $23.50 $109,768 158,563 Direct -2.86% Disposed 25.1% (price as of 2026-10-02)
Sept. 11, 2019 ISTR S 10b5-1 4,671 $23.50 $109,768 163,563 Direct -2.78% Disposed 25.1% (price as of 2026-10-02)
March 5, 2019 ISTR P 100 $23.65 $2,365 163,375 Direct +0.06% Acquired 24.4% (price as of 2026-10-02)
May 10, 2018 ISTR P 100 $26.05 $2,605 158,432 Direct +0.06% Acquired 12.9% (price as of 2026-10-02)

Showing latest 100 of 131 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 27, 2026 ISTR Employee Stock Option Common Stock (26,163) $14.28 March 1, 2026 26,163 Disposed
Jan. 27, 2026 ISTR Employee Stock Option Common Stock (2,907) $14.28 March 1, 2026 2,907 Disposed
July 1, 2025 ISTR Series A Noncumulative Perpetual Convertible Preferred Stock Common Stock (2,381) · · 50 Acquired
March 28, 2025 ISTR Employee Stock Option Common Stock (30,000) $15.74 April 1, 2025 30,000 Disposed
June 5, 2024 ISTR Employee Stock Option Common Stock (60,000) $14.00 June 30, 2024 60,000 Disposed
April 1, 2024 ISTR Employee Stock Options Common Stock (19,852) $16.35 April 1, 2034 19,852 Acquired
April 1, 2023 ISTR Employee Stock Options Common Stock (34,497) $13.96 April 1, 2033 34,497 Acquired
April 1, 2022 ISTR Employee Stock Options Common Stock (22,421) $18.92 April 1, 2032 22,421 Acquired
April 1, 2021 ISTR Employee Stock Option Common Stock (20,746) $20.72 April 1, 2031 20,746 Acquired
March 1, 2020 ISTR Employee Stock Option COMMON STOCK (31,914) $21.36 March 1, 2030 31,914 Acquired
Dec. 9, 2019 ISTR Employee Stock Option COMMON STOCK (5,000) $14.00 June 30, 2024 5,000 Disposed
Sept. 12, 2019 ISTR Employee Stock Option COMMON STOCK (329) $14.00 June 30, 2024 329 Disposed
Sept. 11, 2019 ISTR Employee Stock Option COMMON STOCK (4,671) $14.00 June 30, 2024 4,671 Disposed
March 1, 2019 ISTR Employee Stock Option COMMON STOCK (20,547) $24.40 March 1, 2029 20,547 Acquired
March 1, 2018 ISTR Employee Stock Option COMMON STOCK (17,466) $24.30 March 1, 2028 17,466 Acquired
March 1, 2017 ISTR Employee Stock Option Common Stock (19,944) $20.25 March 1, 2027 19,944 Acquired
March 1, 2016 ISTR Employee Stock Option Common Stock (29,070) $14.28 March 1, 2026 29,070 Acquired
April 30, 2015 ISTR Employee Stock Option Common Stock (30,000) $15.74 April 30, 2025 30,000 Acquired
Aug. 29, 2014 ISTR Warrants Common Stock (10) $13.50 Dec. 31, 2014 10 Disposed
June 30, 2014 ISTR Employee Stock Option common stock (70,000) $14.00 June 30, 2024 70,000 Acquired

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

Initial ownership (Form 3) 7 holdings

07

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

DateTickerSecuritySharesOwnership
June 30, 2014 ISTR COMMON STOCK 134,141 Direct
June 30, 2014 ISTR COMMON STOCK [F1] 6,294 Direct
June 30, 2014 ISTR COMMON STOCK 504 Indirect
June 30, 2014 ISTR COMMON STOCK 439 Indirect
June 30, 2014 ISTR COMMON STOCK 477 Indirect
June 30, 2014 ISTR COMMON STOCK 641 Indirect
June 30, 2014 ISTR WARRANTS [F2]→ COMMON STOCK (10) 10 Indirect

Compensation (DEF 14A)

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2022 $570,182 · $224,997 $149,996 $400,950 · $46,133 $1,392,258
2021 $538,451 · $224,998 $149,994 $277,549 · $41,165 $1,232,157
2020 $517,072 · $164,985 $164,995 $197,481 · $55,732 $1,100,265

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