Timothy J O'Shaughnessy

CIK 1621362 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Nov. 4, 2014 · Latest: Feb. 28, 2025

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 42 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

42 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 3, 2018 GHC P 150 $561.55 $84,232 5,600 Indirect +2.75% Acquired 117.7% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 25 $559.55 $13,989 5,450 Indirect +0.46% Acquired 118.5% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 50 $557.50 $27,875 5,425 Indirect +0.93% Acquired 119.3% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 215 $556.75 $119,701 5,375 Indirect +4.17% Acquired 119.6% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 150 $561.55 $84,232 10,692 Direct +1.42% Acquired 117.7% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 24 $559.66 $13,432 10,542 Direct +0.23% Acquired 118.5% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 50 $557.50 $27,875 10,518 Direct +0.48% Acquired 119.3% (price as of 2026-08-21)
Aug. 3, 2018 GHC P 216 $556.75 $120,258 10,468 Direct +2.11% Acquired 119.6% (price as of 2026-08-21)
Aug. 2, 2018 GHC P 1,050 $553.60 $581,280 11,742 Direct +9.82% Acquired 120.8% (price as of 2026-08-21)
Aug. 2, 2018 GHC P 410 $549.50 $225,295 5,160 Indirect +8.63% Acquired 122.5% (price as of 2026-08-21)
Aug. 2, 2018 GHC P 950 $546.61 $519,280 4,750 Indirect +25.00% Acquired 123.7% (price as of 2026-08-21)
Aug. 2, 2018 GHC P 410 $549.50 $225,295 10,252 Direct +4.17% Acquired 122.5% (price as of 2026-08-21)
Aug. 2, 2018 GHC P 950 $546.61 $519,280 9,842 Direct +10.68% Acquired 123.7% (price as of 2026-08-21)
July 24, 2017 GHC P 10,188 $596.70 $6,079,180 20,055 Indirect +103.25% Acquired 104.9% (price as of 2026-08-21)
March 23, 2016 GHC P 1,100 $463.61 $509,971 8,892 Direct +14.12% Acquired 163.7% (price as of 2026-08-21)

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
Aug. 13, 2026 GHC Class A Common Stock Class B Common Stock (4,211) — — 4,211 Acquired
Aug. 13, 2026 GHC Class A Common Stock Class B Common Stock (4,211) — — 4,211 Acquired
May 26, 2026 GHC Class A Common Stock Class B Common Stock (6,000) — — 6,000 Acquired
Nov. 11, 2025 GHC Employee Stock Option (Right to Buy) Class B Common Stock (7,582) $872.01 Nov. 12, 2025 7,582 Disposed
Oct. 7, 2025 GHC Class A Common Stock Class B Common Stock (2,800) — — 2,800 Acquired
Sept. 29, 2025 GHC Employee Stock Option (Right to Buy) Class B Common Stock (7,580) $872.01 Nov. 12, 2025 7,580 Disposed
Aug. 20, 2025 GHC Employee Stock Option (Right to Buy) Class B Common Stock (7,580) $872.01 Nov. 12, 2025 7,580 Disposed
Nov. 1, 2024 GHC Stock Option (Right to Buy) Class B Common Stock (25,754) $719.15 Nov. 3, 2024 25,754 Disposed
Oct. 15, 2024 GHC Stock Option (Right to Buy) Class B Common Stock (25,752) $719.15 Nov. 3, 2024 25,752 Disposed
Sept. 23, 2024 GHC Stock Option (Right to Buy) Class B Common Stock (25,752) $719.15 Nov. 3, 2024 25,752 Disposed
July 6, 2023 GHC Stock Option (Right to Buy) Class B Common Stock (2,060) $426.86 Sept. 10, 2030 2,060 Disposed
March 7, 2022 GHC Stock Option (Right to Buy) Class B Common Stock (3,153) $426.86 Sept. 10, 2030 3,153 Disposed
Sept. 10, 2020 GHC Stock Option (Right to Buy) Common Stock (77,258) $426.86 Sept. 10, 2030 77,258 Acquired
Sept. 10, 2020 GHC Employee Stock Option (right to buy) Class B Common Stock (85,000) $426.86 Sept. 10, 2030 85,000 Acquired
Oct. 27, 2017 GHC Class A Common Stock Class B Common Stock — — 14,810 Acquired
July 24, 2017 GHC Class A Common Stock Class B Common Stock — — 10,188 Acquired
Nov. 21, 2016 GHC Class A Common Stock Class B Common Stock — — 3,974 Acquired
Nov. 12, 2015 GHC Employee Stock Option (right to buy) Class B Common Stock (22,742) $872.01 Nov. 12, 2025 22,742 Acquired
Nov. 3, 2014 GHC Employee Stock Option (right to buy) Class B Common Stock (50,000) $1111.20 Nov. 3, 2024 50,000 Acquired

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

Initial ownership (Form 3) 5 holdings

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

Date Ticker Security Shares Ownership
Nov. 4, 2014 GHC Class B Common Stock 7,792 Direct
Nov. 4, 2014 GHC Class B Common Stock 2,782 Indirect
Nov. 4, 2014 GHC Class B Common Stock 900 Indirect
Nov. 4, 2014 GHC Class B Common Stock 3,800 Indirect
Nov. 4, 2014 GHC Class A Common Stock→ Class B Common Stock (8,593) 8,593 Indirect

Compensation (DEF 14A)

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

GHC

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2025 $1,200,000 — — — $2,728,475 $61,284 — $3,989,759
2024 $1,200,000 — — — — $51,487 — $3,915,247
2023 $900,000 — — — $843,574 $34,382 — $1,781,256

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