John C. Vollmer
Insider
First SEC filing: Nov. 21, 2017 · Latest: Nov. 21, 2017
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 6, 2026 | AMTM | M | 11,564 | · | · | 424,780 Direct | +2.80% | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2026 | AMTM | A | 5,062 | · | · | 429,842 Direct | +1.19% | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2026 | AMTM | M | 11,564 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 8, 2025 | AMTM | A | 11,564 | · | · | 11,564 Direct | · | Acquired | (price as of 2026-10-05) |
| March 5, 2025 | AMTM | M | 3,447 | · | · | 394,788 Direct | +0.88% | Acquired | (price as of 2026-10-05) |
| March 5, 2025 | AMTM | M | 3,447 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 17, 2024 | AMTM | J | 391,341 | · | · | 391,341 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 6, 2024 | AMTM | A | 3,447 | · | · | 3,447 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 27, 2020 | ACM | M | 5,657 | · | · | 5,657 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Jan. 27, 2020 | ACM | M | 7,824 | · | · | 7,824 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Jan. 27, 2020 | ACM | F | 6,600 | $48.82 | $322,212 | 37,975 Direct | -14.81% | Disposed | 22.4% (price as of 2026-10-05) |
| Jan. 27, 2020 | ACM | M | 13,481 | $48.82 | $658,142 | 44,575 Direct | +43.36% | Acquired | 22.4% (price as of 2026-10-05) |
| Jan. 27, 2020 | ACM | A | 19,679 | · | · | 31,094 Direct | +172.40% | Acquired | (price as of 2026-10-05) |
| Dec. 27, 2019 | ACM | M | 30,240 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 27, 2019 | ACM | S 10b5-1 | 30,240 | $43.28 | $1,308,787 | 11,415 Direct | -72.60% | Disposed | 38.1% (price as of 2026-10-05) |
| Dec. 15, 2019 | ACM | M | 6,879 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2019 | ACM | A | 3,556 | · | · | 41,655 Direct | +9.33% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2019 | ACM | F | 2,882 | $38.16 | $109,977 | 37,269 Direct | -7.18% | Disposed | 56.6% (price as of 2026-10-05) |
| Dec. 15, 2019 | ACM | M | 6,879 | $38.16 | $262,503 | 40,151 Direct | +20.68% | Acquired | 56.6% (price as of 2026-10-05) |
| Dec. 15, 2018 | ACM | A | 14,546 | · | · | 14,546 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2018 | ACM | M | 6,996 | · | · | 6,996 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Dec. 15, 2018 | ACM | A | 4,521 | · | · | 33,272 Direct | +15.72% | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2018 | ACM | F | 3,380 | $27.91 | $94,336 | 28,329 Direct | -10.66% | Disposed | 114.1% (price as of 2026-10-05) |
| Dec. 15, 2018 | ACM | M | 6,996 | $27.91 | $195,258 | 31,709 Direct | +28.31% | Acquired | 114.1% (price as of 2026-10-05) |
| May 1, 2018 | ACM | M | 2,124 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 1, 2018 | ACM | F | 1,020 | $34.44 | $35,129 | 24,713 Direct | -3.96% | Disposed | 73.5% (price as of 2026-10-05) |
| May 1, 2018 | ACM | M | 2,124 | $34.44 | $73,151 | 25,460 Direct | +9.10% | Acquired | 73.5% (price as of 2026-10-05) |
| Dec. 15, 2017 | ACM | A | 4,753 | · | · | 4,753 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2017 | ACM | M | 7,714 | · | · | 7,714 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 15, 2017 | ACM | A | 4,753 | $36.93 | $175,528 | 23,336 Direct | +25.58% | Acquired | 61.8% (price as of 2026-10-05) |
| Dec. 15, 2017 | ACM | F | 3,911 | $36.93 | $144,433 | 18,583 Direct | -17.39% | Disposed | 61.8% (price as of 2026-10-05) |
| Dec. 15, 2017 | ACM | M | 7,714 | $36.93 | $284,878 | 22,494 Direct | +52.19% | Acquired | 61.8% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 6, 2026 | AMTM | Restricted Stock Units | Common Stock | · | · | 11,564 | Disposed |
| April 8, 2025 | AMTM | Restricted Stock Units | Common Stock | · | · | 11,564 | Acquired |
| March 5, 2025 | AMTM | Restricted Stock Units | Common Stock | · | · | 3,447 | Disposed |
| Nov. 6, 2024 | AMTM | Restricted Stock Units | Common Stock | · | · | 3,447 | Acquired |
| Jan. 27, 2020 | ACM | Restricted Stock Unit | Common Stock | · | · | 5,657 | Disposed |
| Jan. 27, 2020 | ACM | Restricted Stock Unit | Common Stock | · | · | 7,824 | Disposed |
| Dec. 27, 2019 | ACM | Restricted Stock Unit | Common Stock | · | · | 30,240 | Disposed |
| Dec. 15, 2019 | ACM | Restricted Stock Unit | Common Stock | · | · | 6,879 | Disposed |
| Dec. 15, 2018 | ACM | Restricted Stock Unit | Common Stock | · | · | 14,546 | Acquired |
| Dec. 15, 2018 | ACM | Restricted Stock Unit | Common Stock | · | · | 6,996 | Disposed |
| May 1, 2018 | ACM | Restricted Stock Units | Common Stock | · | · | 2,124 | Disposed |
| Dec. 15, 2017 | ACM | Restricted Stock Unit | Common Stock | · | · | 4,753 | Acquired |
| Dec. 15, 2017 | ACM | Restricted Stock Unit | Common Stock | · | · | 7,714 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 21, 2017 | ACM | Common Stock | 14,780 | Direct |
| Nov. 21, 2017 | ACM | Common Stock | 106 | Indirect |
| Nov. 21, 2017 | ACM | Restricted Stock Units | 7,714 | Direct |
| Nov. 21, 2017 | ACM | Restricted Stock Unit | 2,124 | Direct |
| Nov. 21, 2017 | ACM | Restricted Stock Units | 6,996 | Direct |
| Nov. 21, 2017 | ACM | Restricted Stock Units | 6,879 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2018 | $554,813 | $0 | $1,027,973 | · | $600,000 | $0 | $22,928 | $2,205,714 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.