Jonathan L.S. Byrnes
CIK 1486378 · View on SEC EDGAR ↗
Insider
First SEC filing: March 24, 2010 · Latest: March 24, 2010
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 65 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 15, 2020 | MSM | M | 265 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | M | 1,704 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | M | 718 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | A | 107 | — | — | 265 Direct | +67.72% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | M | 265 | — | — | 16,776 Direct | +1.60% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | M | 1,704 | — | — | 16,511 Direct | +11.51% | Acquired | (price as of 2026-08-20) |
| Dec. 15, 2020 | MSM | M | 718 | — | — | 14,807 Direct | +5.10% | Acquired | (price as of 2026-08-20) |
| Nov. 24, 2020 | MSM | A | 22 | — | — | 159 Direct | +16.06% | Acquired | (price as of 2026-08-20) |
| July 28, 2020 | MSM | A | 28 | — | — | 139 Direct | +25.23% | Acquired | (price as of 2026-08-20) |
| April 28, 2020 | MSM | A | 31 | — | — | 110 Direct | +39.24% | Acquired | (price as of 2026-08-20) |
| Feb. 5, 2020 | MSM | A | 59 | — | — | 80 Direct | +280.95% | Acquired | (price as of 2026-08-20) |
| Jan. 29, 2020 | MSM | A | 1,704 | — | — | 1,704 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 29, 2020 | MSM | M | 20 | — | — | 21 Direct | -48.78% | Disposed | (price as of 2026-08-20) |
| Jan. 29, 2020 | MSM | M | 717 | — | — | 718 Direct | -49.97% | Disposed | (price as of 2026-08-20) |
| Jan. 29, 2020 | MSM | M | 20 | — | — | 14,089 Direct | +0.14% | Acquired | (price as of 2026-08-20) |
| Jan. 29, 2020 | MSM | M | 717 | — | — | 14,069 Direct | +5.37% | Acquired | (price as of 2026-08-20) |
| Jan. 25, 2020 | MSM | M | 34 | — | — | 42 Direct | -44.74% | Disposed | (price as of 2026-08-20) |
| Jan. 25, 2020 | MSM | M | 581 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Jan. 25, 2020 | MSM | M | 34 | — | — | 13,352 Direct | +0.26% | Acquired | (price as of 2026-08-20) |
| Jan. 25, 2020 | MSM | M | 581 | — | — | 13,318 Direct | +4.56% | Acquired | (price as of 2026-08-20) |
| Nov. 26, 2019 | MSM | A | 21 | — | — | 76 Direct | +38.18% | Acquired | (price as of 2026-08-20) |
| Aug. 6, 2019 | MSM | A | 23 | — | — | 55 Direct | +71.88% | Acquired | (price as of 2026-08-20) |
| April 23, 2019 | MSM | A | 15 | — | — | 32 Direct | +88.24% | Acquired | (price as of 2026-08-20) |
| Jan. 29, 2019 | MSM | A | 1,435 | — | — | 1,435 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 26, 2019 | MSM | M | 29 | — | — | 17 Direct | -63.04% | Disposed | (price as of 2026-08-20) |
| Jan. 26, 2019 | MSM | M | 555 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Jan. 26, 2019 | MSM | M | 29 | — | — | 12,737 Direct | +0.23% | Acquired | (price as of 2026-08-20) |
| Jan. 26, 2019 | MSM | M | 555 | — | — | 12,708 Direct | +4.57% | Acquired | (price as of 2026-08-20) |
| Jan. 25, 2019 | MSM | M | 16 | — | — | 46 Direct | -25.81% | Disposed | (price as of 2026-08-20) |
| Jan. 25, 2019 | MSM | M | 580 | — | — | 581 Direct | -49.96% | Disposed | (price as of 2026-08-20) |
| Jan. 25, 2019 | MSM | M | 16 | — | — | 12,153 Direct | +0.13% | Acquired | (price as of 2026-08-20) |
| Jan. 25, 2019 | MSM | M | 580 | — | — | 12,137 Direct | +5.02% | Acquired | (price as of 2026-08-20) |
| Jan. 22, 2019 | MSM | A | 13 | — | — | 63 Direct | +26.00% | Acquired | (price as of 2026-08-20) |
| Nov. 27, 2018 | MSM | A | 13 | — | — | 50 Direct | +35.14% | Acquired | (price as of 2026-08-20) |
| July 24, 2018 | MSM | A | 12 | — | — | 37 Direct | +48.00% | Acquired | (price as of 2026-08-20) |
| May 1, 2018 | MSM | A | 12 | — | — | 25 Direct | +92.31% | Acquired | (price as of 2026-08-20) |
| Jan. 30, 2018 | MSM | A | 3 | — | — | 13 Direct | +30.00% | Acquired | (price as of 2026-08-20) |
| Jan. 26, 2018 | MSM | M | 10 | — | — | 10 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Jan. 26, 2018 | MSM | M | 555 | — | — | 1,716 Direct | -24.44% | Disposed | (price as of 2026-08-20) |
| Jan. 26, 2018 | MSM | M | 9 | — | — | 11,557 Direct | +0.08% | Acquired | (price as of 2026-08-20) |
| Jan. 26, 2018 | MSM | M | 555 | — | — | 11,548 Direct | +5.05% | Acquired | (price as of 2026-08-20) |
| Jan. 25, 2018 | MSM | A | 1,161 | — | — | 2,271 Direct | +104.59% | Acquired | (price as of 2026-08-20) |
| Jan. 21, 2018 | MSM | M | 38 | — | — | 19 Direct | -66.67% | Disposed | (price as of 2026-08-20) |
| Jan. 21, 2018 | MSM | M | 982 | — | — | 1,110 Direct | -46.94% | Disposed | (price as of 2026-08-20) |
| Jan. 21, 2018 | MSM | M | 38 | — | — | 10,993 Direct | +0.35% | Acquired | (price as of 2026-08-20) |
| Jan. 21, 2018 | MSM | M | 982 | — | — | 10,955 Direct | +9.85% | Acquired | (price as of 2026-08-20) |
| Nov. 28, 2017 | MSM | A | 12 | — | — | 57 Direct | +26.67% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2017 | MSM | A | 13 | — | — | 45 Direct | +40.62% | Acquired | (price as of 2026-08-20) |
| May 2, 2017 | MSM | A | 11 | — | — | 32 Direct | +52.38% | Acquired | (price as of 2026-08-20) |
| Jan. 26, 2017 | MSM | A | 1,110 | — | — | 2,092 Direct | +113.03% | Acquired | (price as of 2026-08-20) |
| Jan. 24, 2017 | MSM | A | 4 | — | — | 21 Direct | +23.53% | Acquired | (price as of 2026-08-20) |
| Jan. 21, 2017 | MSM | M | 16 | — | — | 16 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Jan. 21, 2017 | MSM | M | 982 | — | — | 982 Direct | -50.00% | Disposed | (price as of 2026-08-20) |
| Jan. 21, 2017 | MSM | M | 16 | — | — | 9,973 Direct | +0.16% | Acquired | (price as of 2026-08-20) |
| Jan. 21, 2017 | MSM | M | 982 | — | — | 9,957 Direct | +10.94% | Acquired | (price as of 2026-08-20) |
| Nov. 29, 2016 | MSM | A | 10 | — | — | 33 Direct | +43.48% | Acquired | (price as of 2026-08-20) |
| July 26, 2016 | MSM | A | 12 | — | — | 23 Direct | +109.09% | Acquired | (price as of 2026-08-20) |
| April 26, 2016 | MSM | A | 11 | — | — | 11 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 21, 2016 | MSM | A | 1,964 | — | — | 1,964 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 15, 2015 | MSM | A | 1,547 | — | — | 8,975 Direct | +20.83% | Acquired | (price as of 2026-08-20) |
| Jan. 16, 2014 | MSM | A | 1,298 | — | — | 7,428 Direct | +21.17% | Acquired | (price as of 2026-08-20) |
| Jan. 17, 2013 | MSM | A | 1,506 | — | — | 6,130 Direct | +32.57% | Acquired | (price as of 2026-08-20) |
| Jan. 12, 2012 | MSM | A | 1,562 | — | — | 4,624 Direct | +51.01% | Acquired | (price as of 2026-08-20) |
| Jan. 13, 2011 | MSM | A | 1,328 | — | — | 3,062 Direct | +76.59% | Acquired | (price as of 2026-08-20) |
| March 30, 2010 | MSM | A | 1,234 | — | — | 1,734 Direct | +246.80% | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 15, 2020 | MSM | Dividend Equivalent Units | Class A Common Stock, $0.001 par value (265) | — | — | 265 | Disposed |
| Dec. 15, 2020 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (1,704) | — | — | 1,704 | Disposed |
| Dec. 15, 2020 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (718) | — | — | 718 | Disposed |
| Dec. 15, 2020 | MSM | Dividend Equivalent Units | Class A Common Stock, $0.001 par value (107) | — | — | 107 | Acquired |
| Nov. 24, 2020 | MSM | Dividend Equivalent Units | Class A Common Stock, $0.001 par value (22) | — | — | 22 | Acquired |
| July 28, 2020 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (28) | — | — | 28 | Acquired |
| April 28, 2020 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (31) | — | — | 31 | Acquired |
| Feb. 5, 2020 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (59) | — | — | 59 | Acquired |
| Jan. 29, 2020 | MSM | Restricted Stock Units (RSU) [F1] | Class A Common Stock, $0.001 par value (1,704) | — | — | 1,704 | Acquired |
| Jan. 29, 2020 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (20) | — | — | 20 | Disposed |
| Jan. 29, 2020 | MSM | Restricted Stock Units (RSU) [F1] | Class A Common Stock, $0.001 par value (717) | — | — | 717 | Disposed |
| Jan. 25, 2020 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (34) | — | — | 34 | Disposed |
| Jan. 25, 2020 | MSM | Restricted Stock Units (RSU) [F1] | Class A Common Stock, $0.001 par value (581) | — | — | 581 | Disposed |
| Nov. 26, 2019 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (21) | — | — | 21 | Acquired |
| Aug. 6, 2019 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (23) | — | — | 23 | Acquired |
| April 23, 2019 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (15) | — | — | 15 | Acquired |
| Jan. 29, 2019 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (1,435) | — | — | 1,435 | Acquired |
| Jan. 26, 2019 | MSM | Dividend Equivalent Units (DEU) | Class A Common Stock, $0.001 par value (29) | — | — | 29 | Disposed |
| Jan. 26, 2019 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (555) | — | — | 555 | Disposed |
| Jan. 25, 2019 | MSM | Dividend Equivalent Units (DEU) | Class A Common Stock, $0.001 par value (16) | — | — | 16 | Disposed |
| Jan. 25, 2019 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (580) | — | — | 580 | Disposed |
| Jan. 22, 2019 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (14) | — | — | 13 | Acquired |
| Nov. 27, 2018 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (13) | — | — | 13 | Acquired |
| July 24, 2018 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (12) | — | — | 12 | Acquired |
| May 1, 2018 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (12) | — | — | 12 | Acquired |
| Jan. 30, 2018 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (3) | — | — | 3 | Acquired |
| Jan. 26, 2018 | MSM | Dividend Equivalent Units (DEU) | Class A Common Stock, $0.001 par value (10) | — | — | 10 | Disposed |
| Jan. 26, 2018 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (555) | — | — | 555 | Disposed |
| Jan. 25, 2018 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (1,161) | — | — | 1,161 | Acquired |
| Jan. 21, 2018 | MSM | Dividend Equivalent Units (DEU) | Class A Common Stock, $0.001 par value (38) | — | — | 38 | Disposed |
| Jan. 21, 2018 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (982) | — | — | 982 | Disposed |
| Nov. 28, 2017 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 Par Value (12) | — | — | 12 | Acquired |
| Aug. 1, 2017 | MSM | Dividend Equivalent Unit | Class A Common Stock, $0.001 par value (13) | — | — | 13 | Acquired |
| May 2, 2017 | MSM | Dividend Equivalent Unit | Class A Comon Stock, $0.001 par value (11) | — | — | 11 | Acquired |
| Jan. 26, 2017 | MSM | Restricted Stock Unit | Class A Common Stock, $0.001 par value (1,110) | — | — | 1,110 | Acquired |
| Jan. 24, 2017 | MSM | Dividend Equivalent Unit | Class A Comon Stock, $0.001 par value (4) | — | — | 4 | Acquired |
| Jan. 21, 2017 | MSM | Dividend Equivalent Units (DEU) | Class A Common Stock, $0.001 par value (16) | — | — | 16 | Disposed |
| Jan. 21, 2017 | MSM | Restricted Stock Units (RSU) | Class A Common Stock, $0.001 par value (982) | — | — | 982 | Disposed |
| Nov. 29, 2016 | MSM | Dividend Equivalent Unit | Class A Comon Stock, $0.001 par value (10) | — | — | 10 | Acquired |
| July 26, 2016 | MSM | Dividend Equivalent Unit | Class A Comon Stock, $0.001 par value (12) | — | — | 12 | Acquired |
| April 26, 2016 | MSM | Dividend Equivalent Unit | Class A Comon Stock, $0.001 par value (11) | — | — | 11 | Acquired |
| Jan. 21, 2016 | MSM | Restricted Stock Unit | Class A Common Stock, $0.001 par value (1,964) | — | — | 1,964 | 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 24, 2010 | MSM | Class A Common Stock, $ 0.001 par value | 500 | Direct |