Christopher Cummiskey
CIK 1642170 · View on SEC EDGAR ↗
First SEC filing: Jan. 11, 2021 · Latest: Jan. 11, 2021
On this page
Insider at
Insider transactions
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 19, 2026 | SOMN | S | 6,669 | $96.55 | $643,892 | 30,800 Direct | -17.80% | Disposed | -49.0% (price as of 2026-08-19) |
| May 23, 2025 | SOMN | S | 12,335 | $89.54 | $1,104,476 | 22,502 Direct | -35.41% | Disposed | -45.0% (price as of 2026-08-19) |
| Feb. 19, 2025 | SOMN | S | 944 | $86.00 | $81,184 | 34,837 Direct | -2.64% | Disposed | -42.7% (price as of 2026-08-19) |
| Feb. 4, 2025 | SOMN | S | 837 | $83.32 | $69,739 | 22,502 Direct | -3.59% | Disposed | -40.9% (price as of 2026-08-19) |
| Feb. 16, 2024 | SOMN | S | 902 | $65.99 | $59,523 | 22,502 Direct | -3.85% | Disposed | -25.4% (price as of 2026-08-19) |
| Feb. 15, 2024 | SOMN | S | 12,985 | $67.18 | $872,332 | 23,404 Direct | -35.68% | Disposed | -26.7% (price as of 2026-08-19) |
| Feb. 12, 2024 | SOMN | S | 883 | $66.94 | $59,108 | 35,487 Direct | -2.43% | Disposed | -26.4% (price as of 2026-08-19) |
| Feb. 6, 2024 | SOMN | S | 899 | $67.06 | $60,287 | 22,502 Direct | -3.84% | Disposed | -26.6% (price as of 2026-08-19) |
| Aug. 29, 2023 | SOMN | S | 5,000 | $68.30 | $341,500 | 22,512 Direct | -18.17% | Disposed | -27.9% (price as of 2026-08-19) |
| Feb. 16, 2023 | SOMN | S 10b5-1 | 1,282 | $66.60 | $85,381 | 27,512 Direct | -4.45% | Disposed | -26.1% (price as of 2026-08-19) |
| Feb. 8, 2023 | SOMN | S 10b5-1 | 852 | $67.31 | $57,348 | 22,059 Direct | -3.72% | Disposed | -26.8% (price as of 2026-08-19) |
| Jan. 4, 2023 | SOMN | S 10b5-1 | 1,027 | $72.03 | $73,975 | 22,059 Direct | -4.45% | Disposed | -31.6% (price as of 2026-08-19) |
| March 1, 2022 | SOMN | S 10b5-1 | 2,000 | $64.73 | $129,460 | 22,059 Direct | -8.31% | Disposed | -23.9% (price as of 2026-08-19) |
| Feb. 23, 2022 | SOMN | S | 909 | $63.61 | $57,821 | 24,059 Direct | -3.64% | Disposed | -22.6% (price as of 2026-08-19) |
| Feb. 16, 2022 | SOMN | S 10b5-1 | 874 | $65.07 | $56,871 | 24,968 Direct | -3.38% | Disposed | -24.3% (price as of 2026-08-19) |
| Jan. 5, 2022 | SOMN | S 10b5-1 | 989 | $67.65 | $66,906 | 16,468 Direct | -5.67% | Disposed | -27.2% (price as of 2026-08-19) |
| Dec. 1, 2021 | SOMN | S 10b5-1 | 2,000 | $61.45 | $122,900 | 15,798 Direct | -11.24% | Disposed | -19.9% (price as of 2026-08-19) |
| Sept. 1, 2021 | SOMN | S 10b5-1 | 1,500 | $65.97 | $98,955 | 17,798 Direct | -7.77% | Disposed | -25.3% (price as of 2026-08-19) |
| Feb. 19, 2021 | SOMN | S | 6,200 | $59.52 | $369,024 | 18,730 Direct | -24.87% | Disposed | -17.3% (price as of 2026-08-19) |
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. 11, 2026 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,441) | $0.00 | — | 1,441 | Disposed |
| Feb. 1, 2026 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,537) | $0.00 | — | 1,537 | Disposed |
| Jan. 31, 2026 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (167) | $0.00 | — | 1,674 | Disposed |
| Feb. 13, 2025 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock | $0.00 | — | 1,524 | Disposed |
| Feb. 5, 2025 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,674) | $0.00 | — | 1,674 | Disposed |
| Feb. 1, 2025 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,537) | $0.00 | — | 1,537 | Disposed |
| Feb. 13, 2024 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,524) | $0.00 | — | 1,524 | Disposed |
| Feb. 7, 2024 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,538) | $0.00 | — | 1,538 | Disposed |
| Feb. 3, 2024 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,592) | $0.00 | — | 1,592 | Disposed |
| Feb. 13, 2023 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,524) | $0.00 | — | 1,524 | Disposed |
| Feb. 11, 2023 | SOMN | Southern Co Restricted Stock Units | Southern Company Common Stock (667) | $0.00 | — | 667 | Disposed |
| Feb. 3, 2023 | SOMN | Performance Restricted Stock Units | Southern Company Common Stock (1,591) | $0.00 | — | 1,591 | Disposed |
| Dec. 31, 2022 | SOMN | Southern Co Restricted Stock Units [F3] | Southern Company Common Stock (1,534) | $0.00 | — | 1,534 | Disposed |
| Feb. 13, 2022 | SOMN | Performance Restricted Stock Units [F4] | Southern Company Common Stock (1,592) | $0.00 | — | 1,592 | Disposed |
| Feb. 11, 2022 | SOMN | Southern Co Restricted Stock Units [F5] | Southern Company Common Stock (874) | $0.00 | — | 874 | Disposed |
| Feb. 11, 2022 | SOMN | Southern Co Restricted Stock Units [F4] | Southern Company Common Stock (667) | $0.00 | — | 667 | Disposed |
| Dec. 31, 2021 | SOMN | Southern Co Restricted Stock Units | Southern Company Common Stock (1,534) | $0.00 | — | 1,534 | Disposed |
| Feb. 27, 2021 | SOMN | Southern Co Restricted Stock Units [F3] | Southern Company Common Stock (905) | $0.00 | — | 905 | Disposed |
| Feb. 11, 2021 | SOMN | Southern Co Restricted Stock Units [F5] | Southern Company Common Stock (874) | $0.00 | — | 874 | Disposed |
| Feb. 11, 2021 | SOMN | Southern Co Restricted Stock Units [F4] | Southern Company Common Stock (668) | $0.00 | — | 668 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.