Katherine Bolanowski

CIK 1914788 · View on SEC EDGAR ↗

Insider

First SEC filing: May 22, 2026 · Latest: May 22, 2026

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Insider at

Insider transactions

2 buys (P) 0 sells (S) Net: $49,886 + 38 non-open-market transactions below Avg return of open purchases vs now: 35.8% 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

38 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 21, 2026 ROCK P 144 $35.66 $5,135 17,389 Direct +0.84% Acquired 35.7% (price as of 2026-08-19)
May 21, 2026 ROCK P 1,256 $35.63 $44,751 17,245 Direct +7.86% Acquired 35.8% (price as of 2026-08-19)

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 30, 2026 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (259) — — 259 Acquired
March 31, 2026 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (240) — — 240 Acquired
March 6, 2026 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (438) — — 438 Acquired
Dec. 31, 2025 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (172) — — 172 Acquired
Sept. 30, 2025 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (183) — — 183 Acquired
June 30, 2025 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (172) — — 172 Acquired
March 31, 2025 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (177) — — 177 Acquired
March 7, 2025 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (638) — — 638 Acquired
Dec. 31, 2024 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (136) — — 136 Acquired
Sept. 30, 2024 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (155) — — 155 Acquired
June 30, 2024 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (127) — — 127 Acquired
March 31, 2024 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (132) — — 132 Acquired
March 8, 2024 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (1,371) — — 1,371 Acquired
Dec. 31, 2023 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (131) — — 131 Acquired
Sept. 30, 2023 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (152) — — 152 Acquired
June 30, 2023 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (165) — — 165 Acquired
March 31, 2023 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (198) — — 198 Acquired
March 10, 2023 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (1,167) — — 1,167 Acquired
Dec. 31, 2022 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (178) — — 178 Acquired
Sept. 30, 2022 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (234) — — 234 Acquired
June 30, 2022 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (244) — — 244 Acquired
March 31, 2022 ROCK Restricted Stock Unit (2018 MSPP Match) [F1] Common Stock (158) — — 158 Acquired

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