Jon Kevin Griffin
CIK 1525628 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 4, 2011 · Latest: Aug. 4, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 100 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 |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | MAIN | J | 22 | $53.09 | $1,168 | 74,409 Direct | +0.03% | Acquired | 10.5% (price as of 2026-08-20) |
| July 15, 2026 | MAIN | J | 253 | $53.41 | $13,513 | 74,663 Direct | +0.34% | Acquired | 9.8% (price as of 2026-08-20) |
| June 29, 2026 | MAIN | J | 26 | $51.01 | $1,326 | 74,091 Direct | +0.04% | Acquired | 15.0% (price as of 2026-08-20) |
| June 29, 2026 | MAIN | J | 296 | $51.56 | $15,262 | 74,387 Direct | +0.40% | Acquired | 13.8% (price as of 2026-08-20) |
| June 15, 2026 | MAIN | J | 22 | $52.02 | $1,144 | 73,809 Direct | +0.03% | Acquired | 12.8% (price as of 2026-08-20) |
| June 15, 2026 | MAIN | J | 256 | $51.29 | $13,130 | 74,065 Direct | +0.35% | Acquired | 14.4% (price as of 2026-08-20) |
| Aug. 15, 2024 | MAIN | J | 19 | $48.45 | $921 | 66,266 Direct | +0.03% | Acquired | 21.1% (price as of 2026-08-20) |
| Aug. 15, 2024 | MAIN | J | 206 | $49.25 | $10,146 | 66,473 Direct | +0.31% | Acquired | 19.1% (price as of 2026-08-20) |
| July 15, 2024 | MAIN | J | 18 | $51.67 | $930 | 66,051 Direct | +0.03% | Acquired | 13.5% (price as of 2026-08-20) |
| July 15, 2024 | MAIN | J | 196 | $51.67 | $10,127 | 66,247 Direct | +0.30% | Acquired | 13.5% (price as of 2026-08-20) |
| June 27, 2024 | MAIN | J | 23 | $49.75 | $1,144 | 65,787 Direct | +0.03% | Acquired | 17.9% (price as of 2026-08-20) |
| June 27, 2024 | MAIN | J | 246 | $50.14 | $12,334 | 66,033 Direct | +0.37% | Acquired | 17.0% (price as of 2026-08-20) |
| June 14, 2024 | MAIN | J | 19 | $49.14 | $934 | 65,566 Direct | +0.03% | Acquired | 19.4% (price as of 2026-08-20) |
| June 14, 2024 | MAIN | J | 199 | $49.34 | $9,819 | 65,764 Direct | +0.30% | Acquired | 18.9% (price as of 2026-08-20) |
| May 15, 2024 | MAIN | J | 18 | $49.83 | $897 | 65,349 Direct | +0.03% | Acquired | 17.7% (price as of 2026-08-20) |
| May 15, 2024 | MAIN | J | 198 | $49.31 | $9,763 | 65,547 Direct | +0.30% | Acquired | 19.0% (price as of 2026-08-20) |
| May 6, 2024 | MAIN | A | 590 | — | — | 63,562 Direct | +0.94% | Acquired | (price as of 2026-08-20) |
| May 6, 2024 | MAIN | A | 1,769 | $50.88 | $90,007 | 65,331 Direct | +2.78% | Acquired | 15.3% (price as of 2026-08-20) |
| April 15, 2024 | MAIN | J | 19 | $46.94 | $892 | 62,773 Direct | +0.03% | Acquired | 25.0% (price as of 2026-08-20) |
| April 15, 2024 | MAIN | J | 199 | $46.68 | $9,289 | 62,972 Direct | +0.32% | Acquired | 25.7% (price as of 2026-08-20) |
| March 27, 2024 | MAIN | J | 24 | $46.40 | $1,114 | 62,508 Direct | +0.04% | Acquired | 26.4% (price as of 2026-08-20) |
| March 27, 2024 | MAIN | J | 246 | $46.78 | $11,508 | 62,754 Direct | +0.39% | Acquired | 25.4% (price as of 2026-08-20) |
| March 15, 2024 | MAIN | J | 19 | $45.82 | $871 | 62,285 Direct | +0.03% | Acquired | 28.0% (price as of 2026-08-20) |
| March 15, 2024 | MAIN | J | 199 | $46.20 | $9,194 | 62,484 Direct | +0.32% | Acquired | 27.0% (price as of 2026-08-20) |
| Feb. 15, 2024 | MAIN | J | 20 | $44.40 | $888 | 62,062 Direct | +0.03% | Acquired | 32.1% (price as of 2026-08-20) |
| Feb. 15, 2024 | MAIN | J | 204 | $44.83 | $9,145 | 62,266 Direct | +0.33% | Acquired | 30.9% (price as of 2026-08-20) |
| Jan. 12, 2024 | MAIN | J | 20 | $43.69 | $874 | 61,835 Direct | +0.03% | Acquired | 34.3% (price as of 2026-08-20) |
| Jan. 12, 2024 | MAIN | J | 207 | $43.77 | $9,060 | 62,042 Direct | +0.33% | Acquired | 34.0% (price as of 2026-08-20) |
| Dec. 27, 2023 | MAIN | J | 23 | $43.12 | $992 | 61,576 Direct | +0.04% | Acquired | 36.1% (price as of 2026-08-20) |
| Dec. 27, 2023 | MAIN | J | 238 | $43.42 | $10,334 | 61,814 Direct | +0.39% | Acquired | 35.1% (price as of 2026-08-20) |
| Dec. 15, 2023 | MAIN | J | 20 | $42.93 | $859 | 61,348 Direct | +0.03% | Acquired | 36.7% (price as of 2026-08-20) |
| Dec. 15, 2023 | MAIN | J | 205 | $42.80 | $8,774 | 61,553 Direct | +0.33% | Acquired | 37.1% (price as of 2026-08-20) |
| Nov. 15, 2023 | MAIN | J | 21 | $40.77 | $856 | 61,114 Direct | +0.03% | Acquired | 43.9% (price as of 2026-08-20) |
| Nov. 15, 2023 | MAIN | J | 214 | $40.81 | $8,733 | 61,328 Direct | +0.35% | Acquired | 43.8% (price as of 2026-08-20) |
| Oct. 13, 2023 | MAIN | J | 21 | $39.70 | $834 | 60,875 Direct | +0.03% | Acquired | 47.8% (price as of 2026-08-20) |
| Oct. 13, 2023 | MAIN | J | 219 | $39.69 | $8,692 | 61,093 Direct | +0.36% | Acquired | 47.8% (price as of 2026-08-20) |
| Sept. 27, 2023 | MAIN | J | 24 | $40.14 | $963 | 60,602 Direct | +0.04% | Acquired | 46.2% (price as of 2026-08-20) |
| Sept. 27, 2023 | MAIN | J | 251 | $40.21 | $10,093 | 60,853 Direct | +0.41% | Acquired | 45.9% (price as of 2026-08-20) |
| Sept. 15, 2023 | MAIN | J | 20 | $40.89 | $818 | 60,373 Direct | +0.03% | Acquired | 43.5% (price as of 2026-08-20) |
| Sept. 15, 2023 | MAIN | J | 205 | $41.01 | $8,407 | 60,578 Direct | +0.34% | Acquired | 43.1% (price as of 2026-08-20) |
| Aug. 15, 2023 | MAIN | J | 20 | $40.65 | $813 | 60,146 Direct | +0.03% | Acquired | 44.3% (price as of 2026-08-20) |
| Aug. 15, 2023 | MAIN | J | 207 | $40.32 | $8,346 | 60,353 Direct | +0.34% | Acquired | 45.5% (price as of 2026-08-20) |
| July 14, 2023 | MAIN | J | 20 | $40.44 | $809 | 59,923 Direct | +0.03% | Acquired | 45.1% (price as of 2026-08-20) |
| July 14, 2023 | MAIN | J | 203 | $40.80 | $8,282 | 60,126 Direct | +0.34% | Acquired | 43.8% (price as of 2026-08-20) |
| June 28, 2023 | MAIN | J | 20 | $38.85 | $777 | 59,697 Direct | +0.03% | Acquired | 51.0% (price as of 2026-08-20) |
| June 28, 2023 | MAIN | J | 206 | $39.21 | $8,077 | 59,903 Direct | +0.35% | Acquired | 49.6% (price as of 2026-08-20) |
| June 15, 2023 | MAIN | J | 20 | $39.23 | $785 | 59,473 Direct | +0.03% | Acquired | 49.6% (price as of 2026-08-20) |
| June 15, 2023 | MAIN | J | 204 | $39.36 | $8,029 | 59,677 Direct | +0.34% | Acquired | 49.1% (price as of 2026-08-20) |
| May 15, 2023 | MAIN | J | 20 | $39.60 | $792 | 59,251 Direct | +0.03% | Acquired | 48.2% (price as of 2026-08-20) |
| May 15, 2023 | MAIN | J | 202 | $39.53 | $7,985 | 59,453 Direct | +0.34% | Acquired | 48.4% (price as of 2026-08-20) |
| May 1, 2023 | MAIN | A | 740 | — | — | 57,258 Direct | +1.31% | Acquired | (price as of 2026-08-20) |
| May 1, 2023 | MAIN | A | 1,974 | $40.53 | $80,006 | 59,232 Direct | +3.45% | Acquired | 44.8% (price as of 2026-08-20) |
| April 14, 2023 | MAIN | J | 19 | $39.65 | $753 | 56,329 Direct | +0.03% | Acquired | 48.0% (price as of 2026-08-20) |
| April 14, 2023 | MAIN | J | 189 | $39.56 | $7,477 | 56,518 Direct | +0.34% | Acquired | 48.3% (price as of 2026-08-20) |
| March 28, 2023 | MAIN | J | 15 | $39.38 | $591 | 56,162 Direct | +0.03% | Acquired | 49.0% (price as of 2026-08-20) |
| March 28, 2023 | MAIN | J | 147 | $39.45 | $5,799 | 56,309 Direct | +0.26% | Acquired | 48.7% (price as of 2026-08-20) |
| March 15, 2023 | MAIN | J | 20 | $38.89 | $778 | 55,955 Direct | +0.04% | Acquired | 50.9% (price as of 2026-08-20) |
| March 15, 2023 | MAIN | J | 192 | $38.54 | $7,400 | 56,147 Direct | +0.34% | Acquired | 52.2% (price as of 2026-08-20) |
| Feb. 15, 2023 | MAIN | J | 19 | $39.67 | $754 | 55,749 Direct | +0.03% | Acquired | 47.9% (price as of 2026-08-20) |
| Feb. 15, 2023 | MAIN | J | 186 | $39.76 | $7,395 | 55,935 Direct | +0.33% | Acquired | 47.6% (price as of 2026-08-20) |
| Jan. 13, 2023 | MAIN | J | 19 | $38.81 | $737 | 55,540 Direct | +0.03% | Acquired | 51.2% (price as of 2026-08-20) |
| Jan. 13, 2023 | MAIN | J | 190 | $38.51 | $7,317 | 55,730 Direct | +0.34% | Acquired | 52.4% (price as of 2026-08-20) |
| Dec. 28, 2022 | MAIN | J | 51 | $36.71 | $1,872 | 55,521 Direct | +0.09% | Acquired | 59.8% (price as of 2026-08-20) |
| Dec. 28, 2022 | MAIN | J | 9 | $36.71 | $330 | 55,275 Direct | +0.02% | Acquired | 59.8% (price as of 2026-08-20) |
| Dec. 28, 2022 | MAIN | J | 89 | $36.51 | $3,249 | 55,364 Direct | +0.16% | Acquired | 60.7% (price as of 2026-08-20) |
| Dec. 15, 2022 | MAIN | J | 106 | $37.33 | $3,957 | 55,469 Direct | +0.19% | Acquired | 57.2% (price as of 2026-08-20) |
| Dec. 15, 2022 | MAIN | J | 20 | $37.33 | $747 | 55,074 Direct | +0.04% | Acquired | 57.2% (price as of 2026-08-20) |
| Dec. 15, 2022 | MAIN | J | 191 | $37.19 | $7,103 | 55,266 Direct | +0.35% | Acquired | 57.8% (price as of 2026-08-20) |
| Nov. 15, 2022 | MAIN | J | 123 | $37.73 | $4,641 | 54,870 Direct | +0.22% | Acquired | 55.5% (price as of 2026-08-20) |
| Nov. 15, 2022 | MAIN | J | 185 | $38.15 | $7,058 | 55,055 Direct | +0.34% | Acquired | 53.8% (price as of 2026-08-20) |
| Oct. 14, 2022 | MAIN | J | 139 | $33.32 | $4,631 | 54,534 Direct | +0.26% | Acquired | 76.1% (price as of 2026-08-20) |
| Oct. 14, 2022 | MAIN | J | 212 | $33.14 | $7,026 | 54,746 Direct | +0.39% | Acquired | 77.0% (price as of 2026-08-20) |
| Sept. 27, 2022 | MAIN | J | 61 | $34.56 | $2,108 | 54,304 Direct | +0.11% | Acquired | 69.8% (price as of 2026-08-20) |
| Sept. 27, 2022 | MAIN | J | 92 | $34.75 | $3,197 | 54,396 Direct | +0.17% | Acquired | 68.8% (price as of 2026-08-20) |
| Sept. 15, 2022 | MAIN | J | 113 | $39.82 | $4,500 | 54,072 Direct | +0.21% | Acquired | 47.3% (price as of 2026-08-20) |
| Sept. 15, 2022 | MAIN | J | 171 | $39.76 | $6,799 | 54,243 Direct | +0.32% | Acquired | 47.6% (price as of 2026-08-20) |
| Aug. 15, 2022 | MAIN | J | 102 | $43.70 | $4,457 | 53,806 Direct | +0.19% | Acquired | 34.3% (price as of 2026-08-20) |
| Aug. 15, 2022 | MAIN | J | 155 | $43.81 | $6,791 | 53,960 Direct | +0.29% | Acquired | 33.9% (price as of 2026-08-20) |
| July 15, 2022 | MAIN | J | 110 | $40.31 | $4,434 | 53,539 Direct | +0.21% | Acquired | 45.5% (price as of 2026-08-20) |
| July 15, 2022 | MAIN | J | 164 | $40.97 | $6,719 | 53,704 Direct | +0.31% | Acquired | 43.2% (price as of 2026-08-20) |
| June 30, 2022 | MAIN | J | 40 | $38.55 | $1,542 | 53,369 Direct | +0.08% | Acquired | 52.2% (price as of 2026-08-20) |
| June 30, 2022 | MAIN | J | 61 | $38.53 | $2,350 | 53,429 Direct | +0.11% | Acquired | 52.3% (price as of 2026-08-20) |
| June 15, 2022 | MAIN | J | 125 | $35.12 | $4,390 | 53,142 Direct | +0.24% | Acquired | 67.1% (price as of 2026-08-20) |
| June 15, 2022 | MAIN | J | 187 | $35.81 | $6,696 | 53,328 Direct | +0.35% | Acquired | 63.8% (price as of 2026-08-20) |
| May 13, 2022 | MAIN | J | 118 | $36.97 | $4,362 | 52,841 Direct | +0.22% | Acquired | 58.7% (price as of 2026-08-20) |
| May 13, 2022 | MAIN | J | 176 | $37.82 | $6,656 | 53,017 Direct | +0.33% | Acquired | 55.1% (price as of 2026-08-20) |
| May 2, 2022 | MAIN | A | 765 | — | — | 50,809 Direct | +1.53% | Acquired | (price as of 2026-08-20) |
| May 2, 2022 | MAIN | A | 1,913 | $39.20 | $74,990 | 52,723 Direct | +3.77% | Acquired | 49.7% (price as of 2026-08-20) |
| April 14, 2022 | MAIN | J | 104 | $41.86 | $4,353 | 49,896 Direct | +0.21% | Acquired | 40.2% (price as of 2026-08-20) |
| April 14, 2022 | MAIN | J | 149 | $41.70 | $6,213 | 50,044 Direct | +0.30% | Acquired | 40.7% (price as of 2026-08-20) |
| March 30, 2022 | MAIN | J | 36 | $42.48 | $1,529 | 49,741 Direct | +0.07% | Acquired | 38.1% (price as of 2026-08-20) |
| March 30, 2022 | MAIN | J | 51 | $42.44 | $2,164 | 49,792 Direct | +0.10% | Acquired | 38.2% (price as of 2026-08-20) |
| March 15, 2022 | MAIN | J | 108 | $39.94 | $4,314 | 49,554 Direct | +0.22% | Acquired | 46.9% (price as of 2026-08-20) |
| March 15, 2022 | MAIN | J | 151 | $40.89 | $6,174 | 49,705 Direct | +0.30% | Acquired | 43.5% (price as of 2026-08-20) |
| Feb. 15, 2022 | MAIN | J | 143 | $42.80 | $6,120 | 49,446 Direct | +0.29% | Acquired | 37.1% (price as of 2026-08-20) |
| Aug. 15, 2018 | MAIN | J | 77 | $40.31 | $3,104 | 31,197 Direct | +0.25% | Acquired | 45.5% (price as of 2026-08-20) |
| Aug. 15, 2018 | MAIN | J | 56 | $40.30 | $2,257 | 31,120 Direct | +0.18% | Acquired | 45.6% (price as of 2026-08-20) |
| July 16, 2018 | MAIN | J | 80 | $38.63 | $3,090 | 31,064 Direct | +0.26% | Acquired | 51.9% (price as of 2026-08-20) |
| July 16, 2018 | MAIN | J | 58 | $38.41 | $2,228 | 30,984 Direct | +0.19% | Acquired | 52.7% (price as of 2026-08-20) |
| June 26, 2018 | MAIN | J | 117 | $38.05 | $4,452 | 30,925 Direct | +0.38% | Acquired | 54.2% (price as of 2026-08-20) |
Showing latest 100 of 279 transactions
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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 4, 2011 | MAIN | Common Stock | 1,850 | Direct |