Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 100 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
April 13, 2026 OTTR A 1,400 · · 1,400 Direct · Acquired (price as of 2026-10-02)
Feb. 11, 2026 OTTR A 8,400 $86.43 $726,012 65,292 Direct +14.76% Acquired 2.8% (price as of 2026-10-02)
Feb. 11, 2026 OTTR F 4,212 $86.43 $364,043 61,080 Direct -6.45% Disposed 2.8% (price as of 2026-10-02)
Feb. 10, 2026 OTTR A 1,600 · · 1,600 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2026 OTTR M 1,625 · · 57,655 Direct +2.90% Acquired (price as of 2026-10-02)
Feb. 6, 2026 OTTR F 763 $87.83 $67,014 56,892 Direct -1.32% Disposed 1.2% (price as of 2026-10-02)
Feb. 6, 2026 OTTR M 400 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2026 OTTR M 450 · · 450 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2026 OTTR M 350 · · 700 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2026 OTTR M 425 · · 1,275 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 12, 2025 OTTR A 7,560 $79.61 $601,852 59,799 Direct +14.47% Acquired 11.6% (price as of 2026-10-02)
Feb. 12, 2025 OTTR F 3,801 $79.61 $302,598 55,998 Direct -6.36% Disposed 11.6% (price as of 2026-10-02)
Feb. 11, 2025 OTTR A 1,700 · · 1,700 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2025 OTTR M 1,775 · · 53,072 Direct +3.46% Acquired (price as of 2026-10-02)
Feb. 6, 2025 OTTR F 833 $78.99 $65,799 52,239 Direct -1.57% Disposed 12.5% (price as of 2026-10-02)
Feb. 6, 2025 OTTR M 575 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2025 OTTR M 400 · · 400 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2025 OTTR M 450 · · 900 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2025 OTTR M 350 · · 1,050 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 6, 2024 OTTR A 12,000 $93.33 $1,119,960 56,287 Direct +27.10% Acquired -4.8% (price as of 2026-10-02)
Feb. 6, 2024 OTTR F 5,956 $93.33 $555,873 50,331 Direct -10.58% Disposed -4.8% (price as of 2026-10-02)
Feb. 6, 2024 OTTR M 1,825 $93.33 $170,327 52,156 Direct +3.63% Acquired -4.8% (price as of 2026-10-02)
Feb. 6, 2024 OTTR F 887 $93.33 $82,784 51,269 Direct -1.70% Disposed -4.8% (price as of 2026-10-02)
Feb. 6, 2024 OTTR A 1,400 · · 1,400 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2024 OTTR M 400 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2024 OTTR M 575 · · 575 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2024 OTTR M 400 · · 800 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2024 OTTR M 450 · · 1,350 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 7, 2023 OTTR A 8,400 $64.65 $543,060 48,151 Direct +21.13% Acquired 37.5% (price as of 2026-10-02)
Feb. 7, 2023 OTTR F 4,232 $64.65 $273,599 43,919 Direct -8.79% Disposed 37.5% (price as of 2026-10-02)
Feb. 7, 2023 OTTR A 1,800 · · 1,800 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2023 OTTR M 1,800 · · 40,597 Direct +4.64% Acquired (price as of 2026-10-02)
Feb. 6, 2023 OTTR F 846 $65.33 $55,269 39,751 Direct -2.08% Disposed 36.0% (price as of 2026-10-02)
Feb. 6, 2023 OTTR M 425 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2023 OTTR M 400 · · 400 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2023 OTTR M 575 · · 1,150 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2023 OTTR M 400 · · 1,200 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 7, 2022 OTTR A 9,000 $61.37 $552,330 42,942 Direct +26.52% Acquired 44.8% (price as of 2026-10-02)
Feb. 7, 2022 OTTR F 4,519 $61.37 $277,331 38,423 Direct -10.52% Disposed 44.8% (price as of 2026-10-02)
Feb. 7, 2022 OTTR A 1,600 · · 1,600 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2022 OTTR M 1,850 · · 34,811 Direct +5.61% Acquired (price as of 2026-10-02)
Feb. 6, 2022 OTTR F 869 $60.90 $52,922 33,942 Direct -2.50% Disposed 45.9% (price as of 2026-10-02)
Feb. 6, 2022 OTTR M 450 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2022 OTTR M 425 · · 425 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2022 OTTR M 400 · · 800 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2022 OTTR M 575 · · 1,725 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 10, 2021 OTTR A 6,829 $42.34 $289,140 35,866 Direct +23.52% Acquired 109.9% (price as of 2026-10-02)
Feb. 10, 2021 OTTR F 3,399 $42.34 $143,914 32,467 Direct -9.48% Disposed 109.9% (price as of 2026-10-02)
Feb. 10, 2021 OTTR A 2,300 · · 2,300 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2021 OTTR M 1,700 · · 29,965 Direct +6.01% Acquired (price as of 2026-10-02)
Feb. 6, 2021 OTTR F 928 $41.66 $38,660 29,037 Direct -3.10% Disposed 113.3% (price as of 2026-10-02)
Feb. 6, 2021 OTTR M 425 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2021 OTTR M 450 · · 450 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2021 OTTR M 425 · · 850 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2021 OTTR M 400 · · 1,200 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 12, 2020 OTTR A 7,572 $54.06 $409,342 31,985 Direct +31.02% Acquired 64.4% (price as of 2026-10-02)
Feb. 12, 2020 OTTR F 3,720 $54.06 $201,103 28,265 Direct -11.63% Disposed 64.4% (price as of 2026-10-02)
Feb. 12, 2020 OTTR A 1,600 · · 1,600 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2020 OTTR M 1,900 · · 25,360 Direct +8.10% Acquired (price as of 2026-10-02)
Feb. 6, 2020 OTTR F 947 $54.42 $51,536 24,413 Direct -3.73% Disposed 63.3% (price as of 2026-10-02)
Feb. 6, 2020 OTTR M 600 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2020 OTTR M 425 · · 425 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2020 OTTR M 450 · · 900 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2020 OTTR M 425 · · 1,275 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 13, 2019 OTTR A 12,920 $49.62 $641,090 29,816 Direct +76.47% Acquired 79.1% (price as of 2026-10-02)
Feb. 13, 2019 OTTR F 6,356 $49.62 $315,385 23,460 Direct -21.32% Disposed 79.1% (price as of 2026-10-02)
Feb. 13, 2019 OTTR A 1,700 · · 1,700 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2019 OTTR M 1,925 · · 17,789 Direct +12.13% Acquired (price as of 2026-10-02)
Feb. 6, 2019 OTTR F 893 $48.04 $42,900 16,896 Direct -5.02% Disposed 85.0% (price as of 2026-10-02)
Feb. 6, 2019 OTTR M 450 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2019 OTTR M 600 · · 600 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2019 OTTR M 425 · · 850 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2019 OTTR M 450 · · 1,350 Direct -25.00% Disposed (price as of 2026-10-02)
April 8, 2018 OTTR F 138 $43.70 $6,031 15,754 Direct -0.87% Disposed 103.4% (price as of 2026-10-02)
Feb. 6, 2018 OTTR M 1,475 · · 16,303 Direct +9.95% Acquired (price as of 2026-10-02)
Feb. 6, 2018 OTTR F 532 $39.78 $21,163 15,771 Direct -3.26% Disposed 123.4% (price as of 2026-10-02)
Feb. 6, 2018 OTTR M 450 · · 450 Direct -50.00% Disposed (price as of 2026-10-02)
Feb. 6, 2018 OTTR M 600 · · 1,200 Direct -33.33% Disposed (price as of 2026-10-02)
Feb. 6, 2018 OTTR M 425 · · 1,275 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 5, 2018 OTTR A 9,248 $41.32 $382,127 19,488 Direct +90.31% Acquired 115.1% (price as of 2026-10-02)
Feb. 5, 2018 OTTR F 4,661 $41.32 $192,593 14,827 Direct -23.92% Disposed 115.1% (price as of 2026-10-02)
Feb. 5, 2018 OTTR A 1,800 · · 1,800 Direct · Acquired (price as of 2026-10-02)
April 8, 2017 OTTR M 250 · · 10,216 Direct +2.51% Acquired (price as of 2026-10-02)
April 8, 2017 OTTR F 85 $38.08 $3,237 10,131 Direct -0.83% Disposed 133.4% (price as of 2026-10-02)
April 8, 2017 OTTR F 152 $38.08 $5,788 9,979 Direct -1.50% Disposed 133.4% (price as of 2026-10-02)
April 8, 2017 OTTR M 250 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
Feb. 6, 2017 OTTR M 1,050 · · 10,302 Direct +11.35% Acquired (price as of 2026-10-02)
Feb. 6, 2017 OTTR F 354 $38.35 $13,576 9,948 Direct -3.44% Disposed 131.7% (price as of 2026-10-02)
Feb. 6, 2017 OTTR M 1,050 · · 2,700 Direct -28.00% Disposed (price as of 2026-10-02)
Feb. 2, 2017 OTTR A 8,572 · · 13,741 Direct +165.83% Acquired (price as of 2026-10-02)
Feb. 2, 2017 OTTR F 4,489 $37.65 $169,011 9,252 Direct -32.67% Disposed 136.0% (price as of 2026-10-02)
Feb. 2, 2017 OTTR A 1,700 · · 2,500 Direct +212.50% Acquired (price as of 2026-10-02)
April 8, 2016 OTTR M 1,250 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
April 8, 2016 OTTR F 152 $28.42 $4,320 4,659 Direct -3.16% Disposed 212.7% (price as of 2026-10-02)
April 8, 2016 OTTR F 422 $28.42 $11,993 4,811 Direct -8.06% Disposed 212.7% (price as of 2026-10-02)
April 8, 2016 OTTR M 1,250 · · 5,233 Direct +31.38% Acquired (price as of 2026-10-02)
Feb. 6, 2016 OTTR M 450 · · 1,350 Direct -25.00% Disposed (price as of 2026-10-02)
Feb. 6, 2016 OTTR F 176 $28.40 $4,998 3,958 Direct -4.26% Disposed 212.9% (price as of 2026-10-02)
Feb. 6, 2016 OTTR M 450 · · 4,134 Direct +12.21% Acquired (price as of 2026-10-02)
Feb. 4, 2016 OTTR A 2,400 · · 2,400 Direct · Acquired (price as of 2026-10-02)

Showing latest 100 of 105 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
April 13, 2026 OTTR Restricted Stock Units Common Stock (1,400) · · 1,400 Acquired
Feb. 10, 2026 OTTR Restricted Stock Units Common Stock (1,600) · · 1,600 Acquired
Feb. 6, 2026 OTTR Restricted Stock Units Common Stock (0) · · 400 Disposed
Feb. 6, 2026 OTTR Restricted Stock Units Common Stock (450) · · 450 Disposed
Feb. 6, 2026 OTTR Restricted Stock Units Common Stock (700) · · 350 Disposed
Feb. 6, 2026 OTTR Restricted Stock Units Common Stock (1,275) · · 425 Disposed
Feb. 11, 2025 OTTR Restricted Stock Units Common Stock (1,700) · · 1,700 Acquired
Feb. 6, 2025 OTTR Restricted Stock Units Common Stock (0) · · 575 Disposed
Feb. 6, 2025 OTTR Restricted Stock Units Common Stock (400) · · 400 Disposed
Feb. 6, 2025 OTTR Restricted Stock Units Common Stock (900) · · 450 Disposed
Feb. 6, 2025 OTTR Restricted Stock Units Common Stock (1,050) · · 350 Disposed
Feb. 6, 2024 OTTR Restricted Stock Units Common Stock (1,400) · · 1,400 Acquired
Feb. 6, 2024 OTTR Restricted Stock Units Common Stock (0) · · 400 Disposed
Feb. 6, 2024 OTTR Restricted Stock Units Common Stock (575) · · 575 Disposed
Feb. 6, 2024 OTTR Restricted Stock Units Common Stock (800) · · 400 Disposed
Feb. 6, 2024 OTTR Restricted Stock Units Common Stock (1,350) · · 450 Disposed
Feb. 7, 2023 OTTR Restricted Stock Units Common Stock (1,800) · · 1,800 Acquired
Feb. 6, 2023 OTTR Restricted Stock Units Common Stock (0) · · 425 Disposed
Feb. 6, 2023 OTTR Restricted Stock Units Common Stock (400) · · 400 Disposed
Feb. 6, 2023 OTTR Restricted Stock Units Common Stock (1,150) · · 575 Disposed
Feb. 6, 2023 OTTR Restricted Stock Units Common Stock (1,200) · · 400 Disposed
Feb. 7, 2022 OTTR Restricted Stock Units Common Stock (1,600) · · 1,600 Acquired
Feb. 6, 2022 OTTR Restricted Stock Units Common Stock (0) · · 450 Disposed
Feb. 6, 2022 OTTR Restricted Stock Units Common Stock (425) · · 425 Disposed
Feb. 6, 2022 OTTR Restricted Stock Units Common Stock (800) · · 400 Disposed
Feb. 6, 2022 OTTR Restricted Stock Units Common Stock (1,725) · · 575 Disposed
Feb. 10, 2021 OTTR Restricted Stock Units Common Stock (2,300) · · 2,300 Acquired
Feb. 6, 2021 OTTR Restricted Stock Units Common Stock (0) · · 425 Disposed
Feb. 6, 2021 OTTR Restricted Stock Units Common Stock (450) · · 450 Disposed
Feb. 6, 2021 OTTR Restricted Stock Units Common Stock (850) · · 425 Disposed
Feb. 6, 2021 OTTR Restricted Stock Units Common Stock (1,200) · · 400 Disposed
Feb. 12, 2020 OTTR Restricted Stock Units Common Stock (1,600) · · 1,600 Acquired
Feb. 6, 2020 OTTR Restricted Stock Units Common Stock (0) · · 600 Disposed
Feb. 6, 2020 OTTR Restricted Stock Units Common Stock (425) · · 425 Disposed
Feb. 6, 2020 OTTR Restricted Stock Units Common Stock (900) · Feb. 6, 2022 450 Disposed
Feb. 6, 2020 OTTR Restricted Stock Units Common Stock (1,275) · Feb. 6, 2023 425 Disposed
Feb. 13, 2019 OTTR Restricted Stock Units Common Stock (1,700) · · 1,700 Acquired
Feb. 6, 2019 OTTR Restricted Stock Units Common Stock (0) · Feb. 6, 2019 450 Disposed
Feb. 6, 2019 OTTR Restricted Stock Units Common Stock (600) · · 600 Disposed
Feb. 6, 2019 OTTR Restricted Stock Units Common Stock (850) · · 425 Disposed
Feb. 6, 2019 OTTR Restricted Stock Units Common Stock (1,350) · · 450 Disposed
Feb. 6, 2018 OTTR Restricted Stock Units Common Stock (450) · · 450 Disposed
Feb. 6, 2018 OTTR Restricted Stock Units Common Stock (1,200) · · 600 Disposed
Feb. 6, 2018 OTTR Restricted Stock Units Common Stock (1,275) · · 425 Disposed
Feb. 5, 2018 OTTR Restricted Stock Units Common Stock (1,800) · · 1,800 Acquired
April 8, 2017 OTTR Restricted Stock Common Stock (250) · April 8, 2017 250 Disposed
Feb. 6, 2017 OTTR Restricted Stock Common Stock (3,750) · · 1,050 Disposed
Feb. 2, 2017 OTTR Restricted Stock Units Common Shares (1,700) · · 1,700 Acquired
April 8, 2016 OTTR Restritcted Stock common stock (1,250) · April 8, 2016 1,250 Disposed
Feb. 6, 2016 OTTR Restricted Stock Units Common Stock (1,800) · · 450 Disposed
Feb. 4, 2016 OTTR Restricted Stock Units Common Stock (2,400) · · 2,400 Acquired
April 8, 2015 OTTR Restricted Stock Units (right to buy) Common Stock (250) · April 8, 2015 250 Disposed
Feb. 6, 2015 OTTR Restricted Stock Units (right to buy) Common Stock (1,800) · Feb. 6, 2016 1,800 Acquired

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

Initial ownership (Form 3) 6 holdings

07

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

DateTickerSecuritySharesOwnership
April 16, 2014 OTTR Common Stock [F1] 2,570 Direct
April 16, 2014 OTTR Common Stock 1,944 Indirect
April 16, 2014 OTTR Restricted Stock Units (right to buy)→ Common Stock (250) 250 Direct
April 16, 2014 OTTR Restricted Stock Units (right to buy)→ Common Stock (250) 250 Direct
April 16, 2014 OTTR Restricted Stock Units (right to buy)→ Common Stock (1,000) 1,000 Direct
April 16, 2014 OTTR Restricted Stock Units (right to buy)→ Common Stock (250) 250 Direct