Michael H Thaman

CIK 1228309 · View on SEC EDGAR ↗

Insider

First SEC filing: June 10, 2026 · Latest: June 10, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 91 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

91 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 12, 2019 OC S 30,000 $65.65 $1,969,500 748,643 Direct -3.85% Disposed 124.4% (price as of 2026-08-20)
Nov. 1, 2019 OC S 50,000 $62.00 $3,100,000 777,513 Direct -6.04% Disposed 137.6% (price as of 2026-08-20)
Aug. 21, 2019 OC S 30,000 $57.08 $1,712,400 827,513 Direct -3.50% Disposed 158.1% (price as of 2026-08-20)
June 5, 2019 OC S 30,000 $51.49 $1,544,700 856,240 Direct -3.39% Disposed 186.1% (price as of 2026-08-20)
Nov. 21, 2017 OC S 1,000 $87.17 $87,170 739,770 Direct -0.13% Disposed 69.0% (price as of 2026-08-20)
Nov. 20, 2017 OC S 17,700 $85.95 $1,521,315 739,770 Direct -2.34% Disposed 71.4% (price as of 2026-08-20)
Nov. 20, 2017 OC S 82,900 $85.17 $7,060,593 757,470 Direct -9.86% Disposed 73.0% (price as of 2026-08-20)
Sept. 14, 2017 OC S 21,700 $75.13 $1,630,321 738,992 Direct -2.85% Disposed 96.1% (price as of 2026-08-20)
Sept. 13, 2017 OC S 109,000 $74.91 $8,165,190 738,992 Direct -12.85% Disposed 96.7% (price as of 2026-08-20)

Showing latest 100 of 192 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
July 6, 2026 ULS Deferred Stock Units Class A Common Stock (340) — — 340 Acquired
June 8, 2026 ULS Deferred Restricted Stock Units Class A Common Stock (3) — — 3 Acquired
May 20, 2026 ULS Deferred Restricted Stock Units Class A Common Stock (2,206) — — 2,206 Acquired
May 20, 2026 ULS Restricted Stock Units Class A Common Stock (2,805) — — 2,805 Disposed
April 3, 2026 ULS Deferred Stock Units Class A Common Stock (358) — — 358 Acquired
March 12, 2026 ULS Restricted Stock Units Class A Common Stock (4) — — 4 Acquired
Dec. 8, 2025 ULS Restricted Stock Units Class A Common Stock (4) — — 4 Acquired
Nov. 21, 2017 OC Option (right to purchase) $.01 Par Value Common (1,000) $33.96 Feb. 2, 2021 1,000 Disposed
Nov. 20, 2017 OC Option (right to purchase) $.01 Par Value Common (100,600) $33.96 Feb. 2, 2021 100,600 Disposed
Sept. 14, 2017 OC Option (right to purchase) $.01 Par Value Common (21,700) $25.45 Feb. 3, 2020 21,700 Disposed
Sept. 13, 2017 OC Option (right to purchase) $.01 Par Value Common (109,000) $25.45 Feb. 3, 2020 109,000 Disposed
Dec. 13, 2016 OC Option (right to purchase) $.01 Par Value Common (31,177) $13.89 Feb. 4, 2019 31,177 Disposed
Dec. 12, 2016 OC Option (right to purchase) $.01 Par Value Common (90,913) $13.89 Feb. 4, 2019 90,913 Disposed
Dec. 9, 2016 OC Option (right to purchase) $.01 Par Value Common (104,310) $13.89 Feb. 4, 2019 104,310 Disposed
Feb. 5, 2014 OC Stock Option Exercise (Right to Purchase) $.01 Par Value Common (90,500) $37.65 Feb. 5, 2024 90,500 Acquired
Feb. 6, 2013 OC Stock Option (right to buy) $.01 Par Value Common (86,000) $42.16 Feb. 6, 2023 86,000 Acquired
Feb. 1, 2012 OC Stock Option (right to buy) $.01 Par Value Common (102,400) $33.73 Feb. 1, 2022 102,400 Acquired
Feb. 2, 2011 OC Stock Option (right to buy) $.01 Par Value Common (101,600) $33.96 Feb. 2, 2021 101,600 Acquired
Feb. 3, 2010 OC Stock Option (right to buy) $.01 Par Value Common (130,700) $25.45 Feb. 3, 2020 130,700 Acquired
Feb. 4, 2009 OC Stock Option (right to buy) $.01 Par Value Common Stock (226,400) $13.89 Feb. 4, 2019 226,400 Acquired
Oct. 31, 2006 OC Series B Warrants Common Stock (1,376) $45.25 Oct. 31, 2013 1,376 Acquired
Oct. 31, 2006 OC Options Common Stock (150,000) $30.00 Oct. 31, 2016 150,000 Acquired
Oct. 31, 2006 OC Series B Warrants Common Stock (184) $45.25 Oct. 31, 2013 184 Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date Ticker Security Shares Ownership
April 20, 2017 SHW No securities are beneficially owned 0 Direct
Oct. 27, 2006 OC $.01 Par Value Common 0 Direct

Compensation (DEF 14A)

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

OC

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2019 $965,909 — $1,998,800 — — $25,000 $88,933 $3,360,662
2013 $1,070,833 — — — $1,794,283 — $20,400 $8,519,608
2012 $1,041,667 — — — $1,249,635 $19,000 $20,000 $7,795,484

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