Michael J. Warren
Insider
First SEC filing: March 23, 2021 · Latest: March 23, 2021
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $1,206
Avg return of open purchases vs now: -38.9%
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | MMS | A | 2,246 | · | · | 17,839 Direct | +14.40% | Acquired | (price as of 2026-10-02) |
| Dec. 1, 2025 | MMS | A | 39 | · | · | 15,524 Direct | +0.25% | Acquired | (price as of 2026-10-02) |
| Nov. 28, 2025 | MMS | P | 14 | $86.11 | $1,206 | 15,485 Direct | +0.09% | Acquired | -38.9% (price as of 2026-10-02) |
| Aug. 31, 2025 | MMS | A | 39 | · | · | 15,471 Direct | +0.25% | Acquired | (price as of 2026-10-02) |
| Aug. 29, 2025 | MMS | P | 14 | $87.58 | $1,226 | 15,432 Direct | +0.09% | Acquired | -39.9% (price as of 2026-10-02) |
| May 31, 2025 | MMS | A | 47 | · | · | 15,418 Direct | +0.31% | Acquired | (price as of 2026-10-02) |
| May 30, 2025 | MMS | P | 17 | $72.29 | $1,229 | 15,372 Direct | +0.11% | Acquired | -27.2% (price as of 2026-10-02) |
| March 11, 2025 | MMS | A | 2,187 | · | · | 15,355 Direct | +16.61% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2025 | MMS | A | 42 | · | · | 9,065 Direct | +0.47% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2025 | MMS | P | 18 | $66.64 | $1,200 | 4,103 Direct | +0.44% | Acquired | -21.0% (price as of 2026-10-02) |
| Nov. 29, 2024 | MMS | A | 36 | · | · | 9,023 Direct | +0.40% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2024 | MMS | P | 17 | $73.72 | $1,253 | 4,085 Direct | +0.42% | Acquired | -28.6% (price as of 2026-10-02) |
| Sept. 3, 2024 | MMS | P | 13 | $92.40 | $1,201 | 4,068 Direct | +0.32% | Acquired | -43.0% (price as of 2026-10-02) |
| Aug. 30, 2024 | MMS | A | 29 | · | · | 8,987 Direct | +0.32% | Acquired | (price as of 2026-10-02) |
| May 31, 2024 | MMS | P | 14 | $84.97 | $1,190 | 4,055 Direct | +0.35% | Acquired | -38.0% (price as of 2026-10-02) |
| May 31, 2024 | MMS | A | 31 | · | · | 8,958 Direct | +0.35% | Acquired | (price as of 2026-10-02) |
| March 12, 2024 | MMS | A | 1,766 | · | · | 1,766 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 29, 2024 | MMS | P | 7 | $84.05 | $588 | 4,041 Direct | +0.17% | Acquired | -37.4% (price as of 2026-10-02) |
| Feb. 29, 2024 | MMS | A | 33 | · | · | 9,184 Direct | +0.36% | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2023 | MMS | A | 33 | · | · | 9,151 Direct | +0.36% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2023 | MMS | S | 1,880 | $79.84 | $150,099 | 2,010 Direct | -48.33% | Disposed | -34.1% (price as of 2026-10-02) |
| Aug. 31, 2023 | MMS | A | 31 | · | · | 9,118 Direct | +0.34% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2023 | MMS | S | 2,490 | $79.53 | $198,030 | 3,890 Direct | -39.03% | Disposed | -33.8% (price as of 2026-10-02) |
| May 31, 2023 | MMS | A | 31 | · | · | 9,087 Direct | +0.34% | Acquired | (price as of 2026-10-02) |
| May 4, 2023 | WD | A | 1,689 | · | · | 1,689 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2023 | WD | A | 2,303 | · | · | 2,303 Direct | · | Acquired | (price as of 2026-10-02) |
| March 14, 2023 | MMS | A | 1,995 | · | · | 1,995 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2023 | MMS | A | 31 | · | · | 9,133 Direct | +0.34% | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2022 | MMS | A | 36 | · | · | 9,102 Direct | +0.40% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2022 | MMS | A | 42 | · | · | 9,066 Direct | +0.47% | Acquired | (price as of 2026-10-02) |
| May 31, 2022 | MMS | A | 39 | · | · | 9,024 Direct | +0.43% | Acquired | (price as of 2026-10-02) |
| May 5, 2022 | WD | A | 1,381 | · | · | 1,381 Direct | · | Acquired | (price as of 2026-10-02) |
| May 5, 2022 | WD | A | 1,012 | · | · | 1,012 Direct | · | Acquired | (price as of 2026-10-02) |
| March 15, 2022 | MMS | A | 2,039 | · | · | 2,039 Direct | · | Acquired | (price as of 2026-10-02) |
| March 8, 2022 | WD | L | 2 | $129.04 | $258 | 528 Direct | +0.38% | Acquired | -73.7% (price as of 2026-10-02) |
| Feb. 28, 2022 | MMS | A | 25 | · | · | 6,946 Direct | +0.36% | Acquired | (price as of 2026-10-02) |
| Nov. 30, 2021 | MMS | A | 26 | · | · | 6,922 Direct | +0.38% | Acquired | (price as of 2026-10-02) |
| Nov. 24, 2021 | WD | L | 2 | $153.92 | $308 | 526 Direct | +0.38% | Acquired | -77.9% (price as of 2026-10-02) |
| Sept. 1, 2021 | WD | L | 2 | $110.79 | $222 | 524 Direct | +0.38% | Acquired | -69.3% (price as of 2026-10-02) |
| Aug. 31, 2021 | MMS | A | 22 | · | · | 6,896 Direct | +0.32% | Acquired | (price as of 2026-10-02) |
| June 2, 2021 | WD | L | 3 | $100.54 | $302 | 522 Direct | +0.58% | Acquired | -66.2% (price as of 2026-10-02) |
| May 28, 2021 | MMS | A | 21 | · | · | 6,874 Direct | +0.31% | Acquired | (price as of 2026-10-02) |
| May 6, 2021 | WD | A | 1,092 | · | · | 1,092 Direct | · | Acquired | (price as of 2026-10-02) |
| May 6, 2021 | WD | A | 992 | · | · | 992 Direct | · | Acquired | (price as of 2026-10-02) |
| March 16, 2021 | MMS | A | 1,722 | · | · | 1,722 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 26, 2021 | MMS | A | 18 | · | · | 5,131 Direct | +0.35% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2021 | WD | S | 2,000 | $101.47 | $202,940 | 519 Direct | -79.40% | Disposed | -66.5% (price as of 2026-10-02) |
| Nov. 30, 2020 | MMS | A | 20 | · | · | 5,114 Direct | +0.39% | Acquired | (price as of 2026-10-02) |
| Aug. 31, 2020 | MMS | A | 18 | · | · | 5,094 Direct | +0.35% | Acquired | (price as of 2026-10-02) |
| May 29, 2020 | MMS | A | 20 | · | · | 5,076 Direct | +0.40% | Acquired | (price as of 2026-10-02) |
| May 14, 2020 | WD | A | 3,047 | · | · | 6,883 Direct | +79.43% | Acquired | (price as of 2026-10-02) |
| May 14, 2020 | WD | A | 2,770 | · | · | 2,770 Direct | · | Acquired | (price as of 2026-10-02) |
| March 17, 2020 | MMS | A | 5,056 | · | · | 9,364 Direct | +117.36% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2020 | MMS | A | 19 | · | · | 4,308 Direct | +0.44% | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2019 | MMS | A | 16 | · | · | 4,289 Direct | +0.37% | Acquired | (price as of 2026-10-02) |
| Aug. 30, 2019 | MMS | A | 14 | · | · | 4,273 Direct | +0.33% | Acquired | (price as of 2026-10-02) |
| May 31, 2019 | MMS | A | 15 | · | · | 4,259 Direct | +0.35% | Acquired | (price as of 2026-10-02) |
| May 16, 2019 | WD | A | 2,046 | · | · | 3,836 Direct | +114.30% | Acquired | (price as of 2026-10-02) |
| May 16, 2019 | WD | A | 1,860 | · | · | 1,860 Direct | · | Acquired | (price as of 2026-10-02) |
| April 23, 2019 | MMS | A | 4,244 | · | · | 4,244 Direct | · | Acquired | (price as of 2026-10-02) |
| May 10, 2018 | WD | A | 1,790 | · | · | 1,790 Direct | · | Acquired | (price as of 2026-10-02) |
| May 18, 2017 | WD | A | 2,150 | · | · | 2,519 Direct | +582.66% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2017 | WD | A | 369 | · | · | 369 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 28, 2025 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 42 | Acquired |
| Nov. 29, 2024 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 36 | Acquired |
| Aug. 30, 2024 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 29 | Acquired |
| May 31, 2024 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 31 | Acquired |
| March 12, 2024 | MMS | Common Stock [F1] | Common Stock | $84.96 | · | 1,766 | Acquired |
| Feb. 29, 2024 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 33 | Acquired |
| Nov. 30, 2023 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 33 | Acquired |
| Aug. 31, 2023 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 31 | Acquired |
| May 31, 2023 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 31 | Acquired |
| May 4, 2023 | WD | Deferred Stock Units | Common Stock | · | · | 1,689 | Acquired |
| May 4, 2023 | WD | Deferred Stock Units | Common Stock | · | · | 2,303 | Acquired |
| March 14, 2023 | MMS | Common Stock [F1] | Common Stock | $75.18 | · | 1,995 | Acquired |
| Feb. 28, 2023 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 31 | Acquired |
| Nov. 30, 2022 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 36 | Acquired |
| Aug. 31, 2022 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 42 | Acquired |
| May 31, 2022 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 39 | Acquired |
| May 5, 2022 | WD | Deferred Stock Units | Common Stock | · | · | 1,381 | Acquired |
| May 5, 2022 | WD | Deferred Stock Units | Common Stock | · | · | 1,012 | Acquired |
| March 15, 2022 | MMS | Common Stock [F1] | Common Stock | $73.56 | · | 2,039 | Acquired |
| Feb. 28, 2022 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 25 | Acquired |
| Nov. 30, 2021 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 26 | Acquired |
| Aug. 31, 2021 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 22 | Acquired |
| May 28, 2021 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 21 | Acquired |
| May 6, 2021 | WD | Deferred Stock Units | Common Stock | · | · | 1,092 | Acquired |
| May 6, 2021 | WD | Deferred Stock Units | Common Stock | · | · | 992 | Acquired |
| March 16, 2021 | MMS | Common Stock [F1] | Common Stock | $87.09 | · | 1,722 | Acquired |
| Feb. 26, 2021 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 18 | Acquired |
| Nov. 30, 2020 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 20 | Acquired |
| Aug. 31, 2020 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 18 | Acquired |
| May 29, 2020 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 20 | Acquired |
| May 14, 2020 | WD | Deferred Stock Units | Common Stock | · | · | 3,047 | Acquired |
| May 14, 2020 | WD | Deferred Stock Units | Common Stock | · | · | 2,770 | Acquired |
| March 17, 2020 | MMS | Common Stock [F2] | Common Stock | $49.45 | · | 5,056 | Acquired |
| Feb. 28, 2020 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 19 | Acquired |
| Nov. 29, 2019 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 16 | Acquired |
| Aug. 30, 2019 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 14 | Acquired |
| May 31, 2019 | MMS | Dividend Equivalent Rights | Common Stock | · | · | 15 | Acquired |
| May 16, 2019 | WD | Deferred Stock Units | Common Stock | · | · | 2,046 | Acquired |
| May 16, 2019 | WD | Deferred Stock Units | Common Stock | · | · | 1,860 | Acquired |
| April 23, 2019 | MMS | Common Stock [F1] | Common Stock | $70.68 | · | 4,244 | Acquired |
| May 10, 2018 | WD | Deferred Stock Units | Common Stock | · | · | 1,790 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 23, 2021 | SLDPW | Class B Common Stock, par value $0.0001 per share | · | Direct |