Bolanowski Katherine

Officer · ROCK

As of 2026-09-16, Bolanowski Katherine has 18 Form 4 transactions on record across 1 company — 11 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $326KIndirect: $0$326Kas of 2026-09-16
  • Direct $326K
  • Indirect $0
ROCKdirect7,280 sh$326K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

ROCK · 18 trades
2026-06-30: Award / grant, 259 sh ($0)2026-05-21: Purchase, 1,256 sh ($45K)2026-05-21: Purchase, 144 sh ($5K)2026-03-31: Award / grant, 240 sh ($0)2026-03-06: Award / grant, 438 sh ($0)2026-03-04: Withheld for tax, 2,601 sh ($112K)2026-03-03: Withheld for tax, 286 sh ($13K)2026-03-02: Award / grant, 3,410 sh ($0)2026-03-01: Withheld for tax, 739 sh ($34K)2025-12-31: Award / grant, 172 sh ($0)2025-09-30: Award / grant, 183 sh ($0)2025-06-30: Award / grant, 172 sh ($0)2025-03-31: Award / grant, 177 sh ($0)2025-03-07: Award / grant, 638 sh ($0)2025-03-03: Award / grant, 2,302 sh ($0)2025-03-01: Withheld for tax, 1,694 sh ($111K)2025-02-18: Award / grant, 932 sh ($0)2024-12-31: Award / grant, 136 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-21ROCKPurchase1,256 @ $35.63$45K+7.9% of holding17,245Form 4
2026-05-21ROCKPurchase144 @ $35.66$5K+0.8% of holding17,389Form 4
16 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-30ROCKAward / grant2597,280Form 4
2026-03-31ROCKAward / grant2407,021Form 4
2026-03-06ROCKAward / grant4386,781Form 4
2026-03-04ROCKWithheld for tax2,60115,989Form 4
2026-03-03ROCKWithheld for tax28618,590Form 4
2026-03-02ROCKAward / grant3,41018,876Form 4
2026-03-01ROCKWithheld for tax73915,466Form 4
2025-12-31ROCKAward / grant1726,343Form 4
2025-09-30ROCKAward / grant1836,171Form 4
2025-06-30ROCKAward / grant1725,988Form 4
2025-03-31ROCKAward / grant1775,816Form 4
2025-03-07ROCKAward / grant6385,639Form 4
2025-03-03ROCKAward / grant2,30216,205Form 4
2025-03-01ROCKWithheld for tax1,69413,903Form 4
2025-02-18ROCKAward / grant93215,597Form 4
2024-12-31ROCKAward / grant1365,002Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.