Turner Michael S.

Officer · MASS

As of 2026-09-16, Turner Michael S. has 17 Form 4 transactions on record across 1 company — 0 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.

Trades by company

MASS · 17 trades
2025-06-18: Sale, 1,373 sh ($10K)2025-06-17: Sale, 7,148 sh ($54K)2025-06-16: Sale, 16,082 sh ($121K)2025-03-03: Award / grant, 57,111 sh ($0)2025-03-03: Award / grant, 125,470 sh ($0)2025-02-03: Sale, 4,162 sh ($10K)2025-02-03: Sale, 3,807 sh ($9K)2025-02-03: Sale, 1,703 sh ($4K)2025-02-01: Option exercise, 4,427 sh ($0)2025-02-01: Option exercise, 9,909 sh ($0)2025-02-01: Option exercise, 10,834 sh ($0)2025-02-01: Option exercise, 10,834 sh2025-02-01: Option exercise, 9,909 sh2025-02-01: Option exercise, 10,834 sh2025-02-01: Option exercise, 4,427 sh2025-02-01: Option exercise, 9,909 sh2025-02-01: Option exercise, 4,427 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-06-18MASSSale1,373 @ $7.50$10K−100.0% of holding0Form 4
2025-06-17MASSSale7,148 @ $7.51$54K−83.9% of holding1,373Form 4
2025-06-16MASSSale16,082 @ $7.51$121K−65.4% of holding8,521Form 4
2025-02-03MASSSale4,162 @ $2.32$10K−14.5% of holding24,603Form 4
2025-02-03MASSSale3,807 @ $2.32$9K−11.7% of holding28,765Form 4
2025-02-03MASSSale1,703 @ $2.36$4K−5.0% of holding32,572Form 4
11 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-03-03MASSAward / grant57,11157,111Form 4
2025-03-03MASSAward / grant125,470125,470Form 4
2025-02-01MASSOption exercise4,4274,427Form 4
2025-02-01MASSOption exercise9,90919,819Form 4
2025-02-01MASSOption exercise10,83432,500Form 4
2025-02-01MASSOption exercise10,83434,275Form 4
2025-02-01MASSOption exercise9,90923,441Form 4
2025-02-01MASSOption exercise10,83434,275Form 4
2025-02-01MASSOption exercise4,42713,532Form 4
2025-02-01MASSOption exercise9,90923,441Form 4
2025-02-01MASSOption exercise4,42713,532Form 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.