Michael S. Turner
Insider
First SEC filing: May 6, 2026 · Latest: May 6, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-430,869
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | HAWK | S 10b5-1 | 18,256 | $16.24 | $296,477 | 179,521 Direct | -9.23% | Disposed | -11.5% (price as of 2026-10-05) |
| Sept. 15, 2026 | HAWK | S | 8,250 | $16.29 | $134,392 | 197,777 Direct | -4.00% | Disposed | -11.7% (price as of 2026-10-05) |
| June 18, 2025 | MASS | S 10b5-1 | 1,373 | $7.50 | $10,298 | 0 Direct | -100.00% | Disposed | 70.7% (price as of 2026-10-05) |
| June 17, 2025 | MASS | S 10b5-1 | 7,148 | $7.51 | $53,681 | 1,373 Direct | -83.89% | Disposed | 70.4% (price as of 2026-10-05) |
| June 16, 2025 | MASS | S 10b5-1 | 16,082 | $7.51 | $120,776 | 8,521 Direct | -65.37% | Disposed | 70.4% (price as of 2026-10-05) |
| March 3, 2025 | MASS | A | 57,111 | · | · | 57,111 Direct | · | Acquired | (price as of 2026-10-05) |
| March 3, 2025 | MASS | A | 125,470 | · | · | 125,470 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 3, 2025 | MASS | S | 1,703 | $2.36 | $4,019 | 32,572 Direct | -4.97% | Disposed | 442.4% (price as of 2026-10-05) |
| Feb. 3, 2025 | MASS | S | 3,807 | $2.32 | $8,832 | 28,765 Direct | -11.69% | Disposed | 451.7% (price as of 2026-10-05) |
| Feb. 3, 2025 | MASS | S | 4,162 | $2.32 | $9,656 | 24,603 Direct | -14.47% | Disposed | 451.7% (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 4,427 | · | · | 13,532 Direct | +48.62% | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 9,909 | · | · | 23,441 Direct | +73.23% | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 10,834 | · | · | 34,275 Direct | +46.22% | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 4,427 | · | · | 4,427 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 9,909 | · | · | 19,819 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Feb. 1, 2025 | MASS | M | 10,834 | · | · | 32,500 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| March 1, 2024 | MASS | A | 59,201 | · | · | 59,201 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2024 | MASS | A | 43,334 | · | · | 43,334 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | M | 4,427 | · | · | 4,427 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | M | 9,910 | · | · | 14,337 Direct | +223.85% | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | S | 1,616 | $7.03 | $11,360 | 12,721 Direct | -11.27% | Disposed | 82.1% (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | S | 3,616 | $6.97 | $25,204 | 9,105 Direct | -28.43% | Disposed | 83.6% (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | M | 4,427 | · | · | 8,854 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| Feb. 1, 2024 | MASS | M | 9,910 | · | · | 29,728 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| March 1, 2023 | MASS | A | 60,138 | · | · | 60,138 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2023 | MASS | A | 39,638 | · | · | 39,638 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 2, 2023 | MASS | S 10b5-1 | 2,848 | $10.02 | $28,537 | 0 Direct | -100.00% | Disposed | 27.7% (price as of 2026-10-05) |
| Feb. 1, 2023 | MASS | M | 4,427 | · | · | 4,427 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2023 | MASS | S | 1,579 | $9.17 | $14,479 | 2,848 Direct | -35.67% | Disposed | 39.6% (price as of 2026-10-05) |
| Feb. 1, 2023 | MASS | M | 4,427 | · | · | 13,281 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| Aug. 17, 2022 | MASS | M | 5,000 | $7.91 | $39,550 | 5,000 Direct | · | Acquired | 61.8% (price as of 2026-10-05) |
| Aug. 17, 2022 | MASS | S 10b5-1 | 5,000 | $18.15 | $90,750 | 0 Direct | -100.00% | Disposed | -29.5% (price as of 2026-10-05) |
| Aug. 17, 2022 | MASS | M | 5,000 | · | · | 76,069 Direct | -6.17% | Disposed | (price as of 2026-10-05) |
| Aug. 2, 2022 | MASS | M | 10,000 | $7.91 | $79,100 | 10,000 Direct | · | Acquired | 61.8% (price as of 2026-10-05) |
| Aug. 2, 2022 | MASS | S 10b5-1 | 10,000 | $23.96 | $239,600 | 0 Direct | -100.00% | Disposed | -46.6% (price as of 2026-10-05) |
| Aug. 2, 2022 | MASS | M | 10,000 | · | · | 81,069 Direct | -10.98% | Disposed | (price as of 2026-10-05) |
| June 29, 2022 | MASS | S 10b5-1 | 5,000 | $20.03 | $100,150 | 0 Direct | -100.00% | Disposed | -36.1% (price as of 2026-10-05) |
| June 23, 2022 | MASS | M | 10,000 | $7.91 | $79,100 | 15,000 Direct | +200.00% | Acquired | 61.8% (price as of 2026-10-05) |
| June 23, 2022 | MASS | S 10b5-1 | 10,000 | $17.90 | $179,000 | 5,000 Direct | -66.67% | Disposed | -28.5% (price as of 2026-10-05) |
| June 23, 2022 | MASS | M | 10,000 | · | · | 91,069 Direct | -9.89% | Disposed | (price as of 2026-10-05) |
| March 1, 2022 | MASS | A | 29,412 | · | · | 29,412 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2022 | MASS | A | 17,708 | · | · | 17,708 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 9, 2021 | MASS | M | 21,848 | $7.91 | $172,818 | 26,848 Direct | +436.96% | Acquired | 61.8% (price as of 2026-10-05) |
| Sept. 9, 2021 | MASS | S 10b5-1 | 14,952 | $36.12 | $540,066 | 11,896 Direct | -55.69% | Disposed | -64.6% (price as of 2026-10-05) |
| Sept. 9, 2021 | MASS | S 10b5-1 | 6,896 | $37.05 | $255,497 | 5,000 Direct | -57.97% | Disposed | -65.5% (price as of 2026-10-05) |
| Sept. 9, 2021 | MASS | M | 21,848 | · | · | 101,070 Direct | -17.77% | Disposed | (price as of 2026-10-05) |
| Dec. 22, 2020 | MASS | P | 5,000 | $20.00 | $100,000 | 5,000 Direct | · | Acquired | -36.0% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| March 3, 2025 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $1.98 | March 2, 2034 | 57,111 | Acquired |
| March 3, 2025 | MASS | Restricted Stock Units | Common Stock, par value $0.001 | · | · | 125,470 | Acquired |
| Feb. 1, 2025 | MASS | Restricted Stock Units | Common Stock | · | · | 4,427 | Disposed |
| Feb. 1, 2025 | MASS | Restricted Stock Units | Common Stock | · | · | 9,909 | Disposed |
| Feb. 1, 2025 | MASS | Restricted Stock Units | Common Stock | · | · | 10,834 | Disposed |
| March 1, 2024 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $7.35 | Feb. 28, 2034 | 59,201 | Acquired |
| March 1, 2024 | MASS | Restricted Stock Units | Common Stock, par value $0.001 | · | · | 43,334 | Acquired |
| Feb. 1, 2024 | MASS | Restricted Stock Units | Common Stock | · | · | 4,427 | Disposed |
| Feb. 1, 2024 | MASS | Restricted Stock Units | Common Stock | · | · | 9,910 | Disposed |
| March 1, 2023 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $8.83 | Feb. 28, 2033 | 60,138 | Acquired |
| March 1, 2023 | MASS | Restricted Stock Unit | Common Stock, par value $0.001 | · | · | 39,638 | Acquired |
| Feb. 1, 2023 | MASS | Restricted Stock Unit | Common Stock | · | · | 4,427 | Disposed |
| Aug. 17, 2022 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $7.91 | Nov. 3, 2030 | 5,000 | Disposed |
| Aug. 2, 2022 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $7.91 | Nov. 3, 2030 | 10,000 | Disposed |
| June 23, 2022 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $7.91 | Nov. 3, 2030 | 10,000 | Disposed |
| March 1, 2022 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $16.66 | March 1, 2032 | 29,412 | Acquired |
| March 1, 2022 | MASS | Restricted Stock Unit | Common Stock, par value $0.001 | · | · | 17,708 | Acquired |
| Sept. 9, 2021 | MASS | Stock Option (option to buy) | Common Stock, par value $0.001 | $7.91 | Nov. 3, 2030 | 21,848 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.