Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 79 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

79 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 13, 2025 OSIS S 20,000 $229.00 $4,580,000 284,953 Direct -6.56% Disposed -14.5% (price as of 2026-10-05)
Dec. 13, 2024 OSIS S 7,646 $188.00 $1,437,448 304,798 Direct -2.45% Disposed 4.1% (price as of 2026-10-05)
Dec. 12, 2024 OSIS S 2,354 $188.42 $443,541 312,444 Direct -0.75% Disposed 3.9% (price as of 2026-10-05)
June 5, 2024 OSIS S 13,696 $142.54 $1,952,228 296,833 Direct -4.41% Disposed 37.3% (price as of 2026-10-05)
June 3, 2024 OSIS S 25,000 $143.70 $3,592,500 315,915 Direct -7.33% Disposed 36.2% (price as of 2026-10-05)
June 3, 2024 OSIS S 5,386 $144.00 $775,584 310,529 Direct -1.70% Disposed 35.9% (price as of 2026-10-05)
May 28, 2024 OSIS S 4,216 $142.14 $599,262 340,915 Direct -1.22% Disposed 37.7% (price as of 2026-10-05)
June 9, 2023 OSIS S 10,000 $126.18 $1,261,800 325,603 Direct -2.98% Disposed 55.1% (price as of 2026-10-05)
June 7, 2023 OSIS S 600 $123.81 $74,286 365,003 Direct -0.16% Disposed 58.1% (price as of 2026-10-05)
June 7, 2023 OSIS S 13,403 $125.13 $1,677,117 351,600 Direct -3.67% Disposed 56.4% (price as of 2026-10-05)
June 7, 2023 OSIS S 5,997 $125.62 $753,343 345,603 Direct -1.71% Disposed 55.8% (price as of 2026-10-05)
June 7, 2023 OSIS S 3,257 $125.15 $407,614 342,346 Direct -0.94% Disposed 56.4% (price as of 2026-10-05)
June 7, 2023 OSIS S 1,743 $125.63 $218,973 340,603 Direct -0.51% Disposed 55.8% (price as of 2026-10-05)
June 7, 2023 OSIS S 5,000 $125.50 $627,500 335,603 Direct -1.47% Disposed 56.0% (price as of 2026-10-05)
March 15, 2023 HBIO P 16,192 $2.62 $42,423 202,485 Direct +8.69% Acquired -66.9% (price as of 2026-10-05)
March 14, 2023 HBIO P 13,808 $2.67 $36,867 186,293 Direct +8.01% Acquired -67.5% (price as of 2026-10-05)
June 12, 2020 HBIO P 20,000 $2.62 $52,400 67,500 Direct +42.11% Acquired -66.9% (price as of 2026-10-05)
Aug. 28, 2019 OSIS S 25,000 $106.21 $2,655,250 224,806 Direct -10.01% Disposed 84.3% (price as of 2026-10-05)
May 6, 2019 OSIS S 10b5-1 10,000 $103.13 $1,031,300 211,066 Direct -4.52% Disposed 89.8% (price as of 2026-10-05)
Feb. 11, 2019 OSIS S 10b5-1 10,000 $86.53 $865,300 221,066 Direct -4.33% Disposed 126.2% (price as of 2026-10-05)
Dec. 3, 2018 OSIS S 10b5-1 40,000 $72.07 $2,882,800 230,906 Direct -14.77% Disposed 171.6% (price as of 2026-10-05)

Showing latest 100 of 208 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
Sept. 8, 2021 OSIS Option to Purchase Common Stock Common Stock (60,000) $33.62 Sept. 8, 2021 60,000 Acquired
Aug. 10, 2020 OSIS Option to Purchase Common Stock Common Stock (40,000) $27.12 Aug. 10, 2020 40,000 Acquired
Sept. 10, 2019 HBIO Non-Qualified Stock Option (right to buy) Common Stock, par value $0.01 per share (101,800) $2.92 Sept. 10, 2029 101,800 Acquired
Aug. 30, 2019 OSIS Option to Purchase Common Stock Common Stock (60,000) $16.37 Aug. 31, 2019 60,000 Disposed
Aug. 28, 2019 OSIS Option to Purchase Common Stock Common Stock (25,000) $16.37 Aug. 31, 2019 25,000 Disposed
Dec. 3, 2018 OSIS Option to Purchase Common Stock Common Stock (40,000) $12.52 Jan. 11, 2019 40,000 Disposed
Feb. 7, 2018 OSIS Option to Purchase Common Stock Common Stock (14,000) $23.18 Feb. 7, 2018 14,000 Disposed
Feb. 5, 2018 OSIS Option to Purchase Common Stock Common Stock (10,000) $20.92 July 27, 2018 10,000 Disposed
Sept. 13, 2017 OSIS Option to Purchase Common Stock Common Stock (13,000) $20.02 Sept. 16, 2017 13,000 Disposed
March 14, 2017 OSIS Option to Purchase Common Stock Common Stock (35,000) $20.02 Sept. 16, 2017 35,000 Disposed
Nov. 11, 2011 OSIS Option to Purchase Common Stock Common Stock (6,163) $26.81 Nov. 21, 2011 6,163 Disposed
Sept. 9, 2011 OSIS Option to Purchase Common Stock Common Stock (60,000) $0.00 Sept. 8, 2021 60,000 Acquired
July 27, 2011 OSIS Option to Purchase Common Stock Common Stock (4,429) $17.99 July 31, 2011 4,429 Disposed
June 21, 2011 OSIS Option to Sell Common Stock Common Stock (1,630) $26.81 Nov. 21, 2011 1,630 Disposed
June 21, 2011 OSIS Option to Sell Common Stock Common Stock (4,750) $17.99 July 31, 2011 4,750 Disposed
June 17, 2011 OSIS Option to Sell Common Stock Common Stock (3,750) $17.99 July 31, 2011 3,750 Disposed
June 3, 2011 OSIS Option to Sell Common Stock Common Stock (3,115) $17.99 July 31, 2011 3,115 Disposed
June 3, 2011 OSIS Option to Sell Common Stock Common Stock (14,370) $17.37 July 24, 2011 14,370 Disposed
June 2, 2011 OSIS Option to Sell Common Stock Common Stock (4,956) $17.99 July 31, 2011 4,956 Disposed
June 1, 2011 OSIS Option to Sell Common Stock Common Stock (2,865) $17.37 July 24, 2011 2,865 Disposed
Dec. 2, 2010 OSIS Option to Purchase Common Stock Common Stock (4,000) $17.99 July 30, 2011 4,000 Disposed
Aug. 11, 2010 OSIS Option to Sell Common Stock Common Stock (40,000) $27.12 Aug. 10, 2020 40,000 Acquired
Feb. 26, 2010 OSIS Right to Sell Common Stock Common Stock (25,000) $31.00 July 30, 2011 25,000 Disposed
Sept. 1, 2009 OSIS Option to Purchase Common Stock Common Stock (85,000) $16.37 Aug. 31, 2019 85,000 Acquired
Jan. 12, 2009 OSIS Option to Purchase Common Stock Common Stock (40,000) $12.52 Jan. 11, 2019 40,000 Acquired
July 28, 2008 OSIS Option to Purchase Common Stock Common Stock (10,000) $20.92 July 28, 2018 10,000 Acquired
March 17, 2008 OSIS Option to Purchase Common Stock Common Stock (14,362) $17.37 July 24, 2011 14,362 Acquired
March 17, 2008 OSIS Option to Purchase Common Stock Common Stock (2,873) $17.37 July 24, 2011 2,873 Acquired
Feb. 8, 2008 OSIS Option to Purchase Common Stock Common Stock (1,400) $23.18 Feb. 7, 2018 14,000 Acquired
Sept. 17, 2007 OSIS Option to Purchase Common Stock Common Stock (48,000) $20.02 Sept. 16, 2012 48,000 Acquired
Jan. 22, 2007 OSIS Option to Purchase Common Stock Common Stock (7,793) $26.81 Nov. 21, 2011 7,793 Acquired

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

Initial ownership (Form 3) 2 holdings

07

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

DateTickerSecuritySharesOwnership
Sept. 5, 2019 HBIO Common Stock 25,400 Direct
Aug. 4, 2006 OSIS Option to Purchase Common Stock→ Common Stock (50,000) 50,000 Direct

Compensation (DEF 14A)

08

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

OSIS

CFO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2019 $475,000 · $1,472,230 · $950,000 · $70,984 $2,968,214
2018 $435,846 · $1,884,671 · $780,500 · $66,288 $3,167,305
2017 $402,000 · $1,870,610 · $502,500 · $57,805 $2,832,915

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