Catherine M. Szyman

CIK 1438538 · View on SEC EDGAR ↗

Insider

First SEC filing: May 24, 2021 · Latest: June 12, 2026

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 76 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

76 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Feb. 15, 2024 EW S 27,000 $85.62 $2,311,740 34,814 Direct -43.68% Disposed 4.4% (price as of 2026-08-21)
Feb. 13, 2024 EW S 20,000 $86.46 $1,729,200 34,814 Direct -36.49% Disposed 3.3% (price as of 2026-08-21)
Oct. 10, 2023 EW S 10b5-1 5,000 $72.68 $363,400 34,814 Direct -12.56% Disposed 22.9% (price as of 2026-08-21)
Sept. 8, 2023 EW S 10b5-1 5,000 $76.00 $380,000 34,814 Direct -12.56% Disposed 17.6% (price as of 2026-08-21)
Aug. 9, 2023 EW S 10b5-1 5,000 $78.64 $393,200 34,814 Direct -12.56% Disposed 13.6% (price as of 2026-08-21)
July 10, 2023 EW S 10b5-1 5,000 $90.52 $452,600 34,814 Direct -12.56% Disposed -1.3% (price as of 2026-08-21)
June 13, 2023 EW S 10b5-1 5,000 $85.81 $429,050 35,056 Direct -12.48% Disposed 4.1% (price as of 2026-08-21)
May 9, 2023 EW S 10b5-1 75,600 $88.94 $6,723,864 28,531 Direct -72.60% Disposed 0.5% (price as of 2026-08-21)
May 4, 2022 EW S 10b5-1 3,796 $105.88 $401,920 50,455 Direct -7.00% Disposed -15.6% (price as of 2026-08-21)
May 4, 2022 EW S 10b5-1 9,155 $104.18 $953,768 41,300 Direct -18.14% Disposed -14.2% (price as of 2026-08-21)
May 4, 2022 EW S 10b5-1 10,449 $105.10 $1,098,190 30,851 Direct -25.30% Disposed -15.0% (price as of 2026-08-21)
April 11, 2022 EW S 10b5-1 3,600 $122.12 $439,632 43,969 Direct -7.57% Disposed -26.8% (price as of 2026-08-21)
April 11, 2022 EW S 10b5-1 6,579 $123.00 $809,217 37,390 Direct -14.96% Disposed -27.4% (price as of 2026-08-21)
April 11, 2022 EW S 10b5-1 9,821 $121.37 $1,191,975 27,569 Direct -26.27% Disposed -26.4% (price as of 2026-08-21)
March 14, 2022 EW S 10b5-1 8,147 $104.31 $849,814 39,268 Direct -17.18% Disposed -14.3% (price as of 2026-08-21)
March 14, 2022 EW S 10b5-1 11,853 $104.88 $1,243,143 27,415 Direct -30.18% Disposed -14.8% (price as of 2026-08-21)
Feb. 18, 2022 EW S 10b5-1 6,900 $105.74 $729,606 40,515 Direct -14.55% Disposed -15.5% (price as of 2026-08-21)
Feb. 18, 2022 EW S 10b5-1 13,100 $106.62 $1,396,722 27,415 Direct -32.33% Disposed -16.2% (price as of 2026-08-21)
Jan. 14, 2022 EW S 10b5-1 1,116 $120.01 $133,931 36,299 Direct -2.98% Disposed -25.5% (price as of 2026-08-21)
Jan. 14, 2022 EW S 10b5-1 8,884 $119.47 $1,061,371 27,415 Direct -24.47% Disposed -25.2% (price as of 2026-08-21)
Dec. 17, 2021 EW S 10b5-1 10,000 $121.24 $1,212,400 27,415 Direct -26.73% Disposed -26.3% (price as of 2026-08-21)
Nov. 18, 2021 EW S 10b5-1 1,253 $118.87 $148,944 36,162 Direct -3.35% Disposed -24.8% (price as of 2026-08-21)
Nov. 18, 2021 EW S 10b5-1 2,390 $116.98 $279,582 33,772 Direct -6.61% Disposed -23.6% (price as of 2026-08-21)
Nov. 18, 2021 EW S 10b5-1 6,357 $117.88 $749,363 27,415 Direct -18.82% Disposed -24.2% (price as of 2026-08-21)

Showing latest 100 of 252 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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
June 10, 2026 MASI Performance-Based Restricted Stock Unit Common Stock (49,243) — — 49,243 Disposed
June 10, 2026 MASI Non-Qualified Stock Option (Right to Buy) Common Stock (18,617) $166.52 — 18,617 Disposed
June 10, 2026 MASI Restricted Stock Units Common Stock (39,904) — — 39,904 Disposed
June 10, 2026 MASI Restricted Stock Units Common Stock (6,306) — — 6,306 Disposed
June 10, 2026 MASI Restricted Stock Units Common Stock (22,283) — — 22,283 Disposed
March 11, 2026 MASI Restricted Stock Units Common Stock (2,101) — March 11, 2035 2,101 Disposed
March 6, 2026 MASI Restricted Stock Units Common Stock (39,904) — March 6, 2036 39,904 Acquired
Feb. 12, 2026 MASI Restricted Stock Units Common Stock (11,141) — Feb. 12, 2035 11,141 Disposed
March 11, 2025 MASI Restricted Stock Units Common Stock (8,407) — March 11, 2035 8,407 Acquired
March 11, 2025 MASI Non-Qualified Stock Option (Right to Buy) Common Stock (18,617) $166.52 March 11, 2035 18,617 Acquired
Feb. 12, 2025 MASI Restricted Stock Units Common Stock (33,424) — Feb. 12, 2035 33,424 Acquired
May 4, 2024 EW Performance Rights Common Stock (5,796) — May 3, 2028 5,796 Disposed
Feb. 15, 2024 EW Employee Stock Option (Right to Acquire) Common Stock (27,000) $36.75 May 10, 2024 27,000 Disposed
Feb. 13, 2024 EW Employee Stock Option (Right to Acquire) Common Stock (20,000) $36.75 May 10, 2024 20,000 Disposed
Oct. 10, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (5,000) $36.75 May 10, 2024 5,000 Disposed
Sept. 8, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (5,000) $36.75 May 10, 2024 5,000 Disposed
Aug. 9, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (5,000) $36.75 May 10, 2024 5,000 Disposed
July 10, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (5,000) $36.75 May 10, 2024 5,000 Disposed
June 13, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (5,000) $36.75 May 10, 2024 5,000 Disposed
May 11, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (50,400) $88.78 May 10, 2023 50,400 Acquired
May 11, 2023 EW Performance Rights Common Stock (8,175) — — 8,175 Acquired
May 9, 2023 EW Employee Stock Option (Right to Acquire) Common Stock (75,600) $35.20 May 11, 2023 75,600 Disposed
May 7, 2023 EW Performance Rights Common Stock (4,708) — May 6, 2027 4,708 Disposed
May 8, 2022 EW Performance Rights Common Stock (12,206) — May 7, 2026 12,206 Disposed
May 4, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (23,400) $21.76 May 13, 2022 23,400 Disposed
May 3, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (30,600) $105.93 May 2, 2029 30,600 Acquired
May 3, 2022 EW Performance Rights Common Stock (4,725) — — 4,725 Acquired
April 11, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (20,000) $21.76 May 13, 2022 20,000 Disposed
March 14, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (20,000) $21.76 May 13, 2022 20,000 Disposed
Feb. 18, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (20,000) $21.76 May 13, 2022 20,000 Disposed
Jan. 14, 2022 EW Employee Stock Option (Right to Acquire) Common Stock (10,000) $21.76 May 13, 2022 10,000 Disposed
Dec. 17, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (10,000) $21.76 May 13, 2022 10,000 Disposed
Nov. 18, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (10,000) $21.76 May 13, 2022 10,000 Disposed
Oct. 18, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (9,741) $21.76 May 13, 2022 9,741 Disposed
Sept. 8, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (9,741) $21.76 May 13, 2022 9,741 Disposed
Aug. 2, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (15,000) $21.76 May 13, 2022 15,000 Disposed
June 15, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,410) $22.29 Feb. 18, 2022 3,410 Disposed
May 17, 2021 EW Performance Rights Common Stock (15,225) — May 16, 2025 15,225 Disposed
May 7, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,389) $22.29 Feb. 18, 2022 3,389 Disposed
May 4, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (34,600) $93.31 May 3, 2028 34,600 Acquired
May 4, 2021 EW Performance Rights Common Stock (4,950) — May 3, 2028 4,950 Acquired
April 22, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,389) $22.29 Feb. 18, 2022 3,389 Disposed
March 15, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,389) $22.29 Feb. 18, 2022 3,389 Disposed
Feb. 16, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,389) $22.29 Feb. 18, 2022 3,389 Disposed
Jan. 15, 2021 EW Employee Stock Option (Right to Acquire) Common Stock (3,389) $22.29 Feb. 18, 2022 3,389 Disposed
Oct. 29, 2020 EW Employee Stock Option (Right to Acquire) Common Stock (20,355) $22.29 Feb. 18, 2022 20,355 Disposed
May 11, 2020 EW Performance Rights Common Stock — — 5,950 Disposed
May 7, 2020 EW Employee Stock Option (Right to Acquire) Common Stock (14,600) $218.40 May 6, 2027 14,600 Acquired
May 7, 2020 EW Performance Rights Common Stock — May 6, 2027 2,000 Acquired
Feb. 18, 2020 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
Feb. 3, 2020 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
Dec. 16, 2019 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
Nov. 15, 2019 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
Oct. 25, 2019 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
Sept. 19, 2019 EW Employee Stock Option (Right to Acquire) Common Stock (2,500) $66.86 Feb. 18, 2022 2,500 Disposed
May 12, 2019 EW Performance Rights Common Stock — — 2,595 Disposed
May 8, 2019 EW Performance Rights Common Stock — May 7, 2026 2,325 Acquired
May 8, 2019 EW Employee Stock Option (Right to Acquire) Common Stock (16,400) $177.77 May 7, 2026 16,400 Acquired
May 17, 2018 EW Employee Stock Option (Right to Acquire) Common Stock (20,000) $135.83 May 16, 2025 20,000 Acquired
May 17, 2018 EW Performance Rights Common Stock — May 16, 2025 2,900 Acquired
May 16, 2018 EW Performance Rights Common Stock — May 31, 2018 9,362 Disposed
May 11, 2017 EW Employee Stock Option (Right to Acquire) Common Stock (24,000) $110.25 May 10, 2024 24,000 Acquired
May 11, 2017 EW Performance Rights Common Stock — — 3,400 Acquired
May 12, 2016 EW Performance Rights Common Stock — — 3,425 Acquired
May 12, 2016 EW Employee Stock Option (Right to Acquire) Common Stock (25,200) $105.59 May 11, 2023 25,200 Acquired
May 14, 2015 EW Performance Rights Common Stock — May 31, 2018 2,675 Acquired
May 14, 2015 EW Employee Stock Option (Right to Acquire) Common Stock (3,247) $130.56 May 13, 2022 3,247 Acquired
May 14, 2015 EW Employee Stock Option (Right to Acquire) Common Stock (21,400) $130.56 May 13, 2022 21,400 Acquired
Feb. 19, 2015 EW Employee Stock Option (Right to Acquire) Common Stock (14,285) $133.72 Feb. 18, 2022 14,285 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
May 24, 2021 OM Common Stock 1,000 Direct