Mac Armstrong
CIK 1772383 · View on SEC EDGAR ↗
Insider
First SEC filing: April 16, 2019 · Latest: April 16, 2019
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
52 sells (S)
Net:
$-17,887,705
+ 27 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
27 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 21, 2026 | PLMR | S | 200 | $139.43 | $27,886 | 325,888 Indirect | -0.06% | Disposed | -7.1% (price as of 2026-08-19) |
| July 21, 2026 | PLMR | S | 260 | $138.47 | $36,002 | 326,088 Indirect | -0.08% | Disposed | -6.4% (price as of 2026-08-19) |
| July 21, 2026 | PLMR | S | 937 | $137.74 | $129,062 | 326,348 Indirect | -0.29% | Disposed | -5.9% (price as of 2026-08-19) |
| July 21, 2026 | PLMR | S | 2,103 | $136.70 | $287,480 | 327,285 Indirect | -0.64% | Disposed | -5.2% (price as of 2026-08-19) |
| July 15, 2026 | PLMR | S | 57,544 | $131.66 | $7,576,243 | 160,068 Direct | -26.44% | Disposed | -1.6% (price as of 2026-08-19) |
| July 15, 2026 | PLMR | S | 3,197 | $131.66 | $420,917 | 105,112 Direct | -2.95% | Disposed | -1.6% (price as of 2026-08-19) |
| June 22, 2026 | PLMR | S | 1,495 | $113.28 | $169,354 | 329,388 Indirect | -0.45% | Disposed | 14.4% (price as of 2026-08-19) |
| June 22, 2026 | PLMR | S | 2,005 | $112.72 | $226,004 | 330,883 Indirect | -0.60% | Disposed | 15.0% (price as of 2026-08-19) |
| May 21, 2026 | PLMR | S | 2,172 | $114.67 | $249,063 | 332,888 Indirect | -0.65% | Disposed | 13.0% (price as of 2026-08-19) |
| May 21, 2026 | PLMR | S | 1,328 | $113.93 | $151,299 | 335,060 Indirect | -0.39% | Disposed | 13.7% (price as of 2026-08-19) |
| April 21, 2026 | PLMR | S | 1,200 | $131.73 | $158,076 | 336,388 Indirect | -0.36% | Disposed | -1.6% (price as of 2026-08-19) |
| April 21, 2026 | PLMR | S | 678 | $131.11 | $88,893 | 337,588 Indirect | -0.20% | Disposed | -1.2% (price as of 2026-08-19) |
| April 21, 2026 | PLMR | S | 1,622 | $129.91 | $210,714 | 338,266 Indirect | -0.48% | Disposed | -0.2% (price as of 2026-08-19) |
| April 15, 2026 | PLMR | S | 3,197 | $129.46 | $413,884 | 102,059 Direct | -3.04% | Disposed | 0.1% (price as of 2026-08-19) |
| March 23, 2026 | PLMR | S | 978 | $121.74 | $119,062 | 339,888 Indirect | -0.29% | Disposed | 6.4% (price as of 2026-08-19) |
| March 23, 2026 | PLMR | S | 1,622 | $120.78 | $195,905 | 340,866 Indirect | -0.47% | Disposed | 7.3% (price as of 2026-08-19) |
| March 23, 2026 | PLMR | S | 500 | $119.47 | $59,735 | 342,488 Indirect | -0.15% | Disposed | 8.5% (price as of 2026-08-19) |
| March 23, 2026 | PLMR | S | 400 | $118.33 | $47,332 | 342,988 Indirect | -0.12% | Disposed | 9.5% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 423 | $128.25 | $54,250 | 343,388 Indirect | -0.12% | Disposed | 1.0% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 100 | $126.15 | $12,615 | 343,811 Indirect | -0.03% | Disposed | 2.7% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 1,023 | $124.78 | $127,650 | 343,911 Indirect | -0.30% | Disposed | 3.9% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 1,308 | $123.63 | $161,708 | 344,934 Indirect | -0.38% | Disposed | 4.8% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 246 | $121.32 | $29,845 | 346,242 Indirect | -0.07% | Disposed | 6.8% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 500 | $120.57 | $60,285 | 346,488 Indirect | -0.14% | Disposed | 7.5% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 1,100 | $119.42 | $131,362 | 346,988 Indirect | -0.32% | Disposed | 8.5% (price as of 2026-08-19) |
| Feb. 12, 2026 | PLMR | S | 300 | $117.58 | $35,274 | 348,088 Indirect | -0.09% | Disposed | 10.2% (price as of 2026-08-19) |
| Jan. 31, 2026 | PLMR | S | 2,205 | $121.74 | $268,437 | 98,904 Direct | -2.18% | Disposed | 6.4% (price as of 2026-08-19) |
| Jan. 29, 2026 | PLMR | S | 2,939 | $122.04 | $358,676 | 96,843 Direct | -2.95% | Disposed | 6.2% (price as of 2026-08-19) |
| Jan. 29, 2026 | PLMR | S | 2,460 | $122.04 | $300,218 | 94,063 Direct | -2.55% | Disposed | 6.2% (price as of 2026-08-19) |
| Jan. 28, 2026 | PLMR | S | 11,484 | $119.88 | $1,376,702 | 91,737 Direct | -11.13% | Disposed | 8.1% (price as of 2026-08-19) |
| Jan. 21, 2026 | PLMR | S | 41 | $130.29 | $5,342 | 348,388 Indirect | -0.01% | Disposed | -0.5% (price as of 2026-08-19) |
| Jan. 21, 2026 | PLMR | S | 2,256 | $129.75 | $292,716 | 348,429 Indirect | -0.64% | Disposed | -0.1% (price as of 2026-08-19) |
| Jan. 21, 2026 | PLMR | S | 1,655 | $128.67 | $212,949 | 350,685 Indirect | -0.47% | Disposed | 0.7% (price as of 2026-08-19) |
| Jan. 21, 2026 | PLMR | S | 1,048 | $127.84 | $133,976 | 352,340 Indirect | -0.30% | Disposed | 1.4% (price as of 2026-08-19) |
| Jan. 15, 2026 | PLMR | S | 2,310 | $130.00 | $300,300 | 80,314 Direct | -2.80% | Disposed | -0.3% (price as of 2026-08-19) |
| Dec. 22, 2025 | PLMR | S | 11 | $137.64 | $1,514 | 353,388 Indirect | 0.00% | Disposed | -5.8% (price as of 2026-08-19) |
| Dec. 22, 2025 | PLMR | S | 1,757 | $137.15 | $240,973 | 353,399 Indirect | -0.49% | Disposed | -5.5% (price as of 2026-08-19) |
| Dec. 22, 2025 | PLMR | S | 2,432 | $135.95 | $330,630 | 355,156 Indirect | -0.68% | Disposed | -4.7% (price as of 2026-08-19) |
| Dec. 22, 2025 | PLMR | S | 800 | $135.04 | $108,032 | 357,588 Indirect | -0.22% | Disposed | -4.0% (price as of 2026-08-19) |
| Nov. 21, 2025 | PLMR | S | 876 | $123.98 | $108,606 | 358,388 Indirect | -0.24% | Disposed | 4.5% (price as of 2026-08-19) |
| Nov. 21, 2025 | PLMR | S | 3,124 | $123.01 | $384,283 | 359,264 Indirect | -0.86% | Disposed | 5.3% (price as of 2026-08-19) |
| Nov. 21, 2025 | PLMR | S | 700 | $121.87 | $85,309 | 362,388 Indirect | -0.19% | Disposed | 6.3% (price as of 2026-08-19) |
| Nov. 21, 2025 | PLMR | S | 300 | $120.34 | $36,102 | 363,088 Indirect | -0.08% | Disposed | 7.7% (price as of 2026-08-19) |
| Oct. 21, 2025 | PLMR | S | 2,900 | $115.62 | $335,298 | 367,388 Indirect | -0.78% | Disposed | 12.1% (price as of 2026-08-19) |
| Oct. 21, 2025 | PLMR | S | 2,037 | $114.94 | $234,133 | 370,288 Indirect | -0.55% | Disposed | 12.7% (price as of 2026-08-19) |
| Oct. 21, 2025 | PLMR | S | 63 | $113.10 | $7,125 | 372,325 Indirect | -0.02% | Disposed | 14.6% (price as of 2026-08-19) |
| Oct. 15, 2025 | PLMR | S | 3,218 | $116.10 | $373,610 | 76,374 Direct | -4.04% | Disposed | 11.6% (price as of 2026-08-19) |
| Sept. 22, 2025 | PLMR | S | 2,700 | $116.42 | $314,334 | 372,388 Indirect | -0.72% | Disposed | 11.3% (price as of 2026-08-19) |
| Sept. 22, 2025 | PLMR | S | 2,300 | $115.54 | $265,742 | 375,088 Indirect | -0.61% | Disposed | 12.2% (price as of 2026-08-19) |
| Aug. 21, 2025 | PLMR | S | 3,400 | $126.95 | $431,630 | 377,388 Indirect | -0.89% | Disposed | 2.1% (price as of 2026-08-19) |
| Aug. 21, 2025 | PLMR | S | 1,000 | $126.09 | $126,090 | 380,788 Indirect | -0.26% | Disposed | 2.8% (price as of 2026-08-19) |
| Aug. 21, 2025 | PLMR | S | 600 | $125.13 | $75,078 | 381,788 Indirect | -0.16% | Disposed | 3.6% (price as of 2026-08-19) |
| July 21, 2025 | PLMR | S | 100 | $141.77 | $14,177 | 382,388 Indirect | -0.03% | Disposed | -8.6% (price as of 2026-08-19) |
| July 21, 2025 | PLMR | S | 1,701 | $141.32 | $240,385 | 382,488 Indirect | -0.44% | Disposed | -8.3% (price as of 2026-08-19) |
| July 21, 2025 | PLMR | S | 2,099 | $140.00 | $293,860 | 384,189 Indirect | -0.54% | Disposed | -7.4% (price as of 2026-08-19) |
| July 21, 2025 | PLMR | S | 498 | $138.85 | $69,147 | 386,288 Indirect | -0.13% | Disposed | -6.7% (price as of 2026-08-19) |
| July 21, 2025 | PLMR | S | 602 | $137.75 | $82,926 | 386,786 Indirect | -0.16% | Disposed | -5.9% (price as of 2026-08-19) |
| July 15, 2025 | PLMR | S | 3,191 | $143.10 | $456,632 | 73,245 Direct | -4.17% | Disposed | -9.4% (price as of 2026-08-19) |
| June 23, 2025 | PLMR | S | 5,000 | $158.14 | $790,700 | 387,388 Indirect | -1.27% | Disposed | -18.1% (price as of 2026-08-19) |
| May 21, 2025 | PLMR | S | 5,000 | $161.96 | $809,800 | 392,388 Indirect | -1.26% | Disposed | -20.0% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 400 | $148.86 | $59,544 | 397,388 Indirect | -0.10% | Disposed | -12.9% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 600 | $148.28 | $88,968 | 397,788 Indirect | -0.15% | Disposed | -12.6% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 300 | $147.01 | $44,103 | 398,388 Indirect | -0.08% | Disposed | -11.8% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 1,170 | $146.24 | $171,101 | 398,688 Indirect | -0.29% | Disposed | -11.4% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 430 | $144.16 | $61,989 | 399,858 Indirect | -0.11% | Disposed | -10.1% (price as of 2026-08-19) |
| April 21, 2025 | PLMR | S | 2,100 | $143.49 | $301,329 | 400,288 Indirect | -0.52% | Disposed | -9.7% (price as of 2026-08-19) |
| April 15, 2025 | PLMR | S | 3,202 | $153.04 | $490,034 | 70,186 Direct | -4.36% | Disposed | -15.3% (price as of 2026-08-19) |
| March 21, 2025 | PLMR | S | 424 | $130.30 | $55,247 | 402,388 Indirect | -0.11% | Disposed | -0.5% (price as of 2026-08-19) |
| March 21, 2025 | PLMR | S | 4,576 | $129.66 | $593,324 | 402,812 Indirect | -1.12% | Disposed | -0.1% (price as of 2026-08-19) |
| March 5, 2025 | PLMR | S | 300 | $130.64 | $39,192 | 407,388 Indirect | -0.07% | Disposed | -0.8% (price as of 2026-08-19) |
| March 5, 2025 | PLMR | S | 1,500 | $129.68 | $194,520 | 407,688 Indirect | -0.37% | Disposed | -0.1% (price as of 2026-08-19) |
| March 5, 2025 | PLMR | S | 3,200 | $128.83 | $412,256 | 409,188 Indirect | -0.78% | Disposed | 0.6% (price as of 2026-08-19) |
| Jan. 31, 2025 | PLMR | S | 2,237 | $104.50 | $233,766 | 67,011 Direct | -3.23% | Disposed | 24.0% (price as of 2026-08-19) |
Showing latest 100 of 272 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.
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 |
|---|---|---|---|---|---|---|---|
| July 15, 2026 | PLMR | Performance Share Units (PSUs) | Common Stock (112,500) | $0.00 | — | 112,500 | Disposed |
| July 15, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| April 15, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| Jan. 31, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (4,266) | $0.00 | — | 4,266 | Disposed |
| Jan. 29, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (5,719) | $0.00 | — | 5,719 | Disposed |
| Jan. 29, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (4,786) | $0.00 | — | 4,786 | Disposed |
| Jan. 28, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (21,539) | $0.00 | — | 21,539 | Acquired |
| Jan. 15, 2026 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| Oct. 15, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| July 15, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| April 15, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| Jan. 31, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (4,266) | $0.00 | — | 4,266 | Disposed |
| Jan. 29, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (17,156) | $0.00 | — | 17,156 | Acquired |
| Jan. 29, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (4,787) | $0.00 | — | 4,787 | Disposed |
| Jan. 26, 2025 | PLMR | Restricted Stock Units (RSUs) | Common Stock (5,398) | $0.00 | — | 5,398 | Disposed |
| Jan. 15, 2025 | PLMR | Restricted Stock Units | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| Oct. 15, 2024 | PLMR | Restricted Stock Units | Common Stock (6,250) | $0.00 | — | 6,250 | Disposed |
| July 15, 2024 | PLMR | Restricted Stock Units | Common Stock (25,000) | $0.00 | — | 25,000 | Disposed |
| Jan. 31, 2024 | PLMR | Restricted Stock Units (RSUs) | Common Stock (4,266) | $0.00 | — | 4,266 | Disposed |
| Jan. 29, 2024 | PLMR | Restricted Stock Units (RSUs) | Common Stock (14,360) | $0.00 | — | 14,360 | Acquired |
| Jan. 27, 2024 | PLMR | Restricted Stock Units (RSUs) | Common Stock (2,630) | $0.00 | — | 2,630 | Disposed |
| Jan. 26, 2024 | PLMR | Restricted Stock Units (RSUs) | Common Stock (5,397) | $0.00 | — | 5,397 | Disposed |
| Sept. 8, 2023 | PLMR | Restricted Stock Units | Common Stock (1,213) | $0.00 | — | 1,213 | Disposed |
| July 15, 2023 | PLMR | Restricted Stock Units | Common Stock (25,000) | $0.00 | — | 25,000 | Disposed |
| Jan. 31, 2023 | PLMR | Restricted Stock Units (RSUs) | Common Stock (12,798) | $0.00 | — | 12,798 | Acquired |
| Jan. 26, 2023 | PLMR | Restricted Stock Units | Common Stock (2,629) | $0.00 | — | 2,629 | Disposed |
| Jan. 26, 2023 | PLMR | Restricted Stock Units | Common Stock (5,398) | $0.00 | — | 5,398 | Disposed |
| Sept. 8, 2022 | PLMR | Restricted Stock Units | Common Stock (1,212) | $0.00 | — | 1,212 | Disposed |
| July 15, 2022 | PLMR | Restricted Stock Units | Common Stock (25,000) | $0.00 | — | 25,000 | Disposed |
| Jan. 27, 2022 | PLMR | Restricted Stock Units | Common Stock (2,630) | $0.00 | — | 2,630 | Disposed |
| Jan. 26, 2022 | PLMR | Restricted Stock Units | Common Stock (16,193) | — | — | 16,193 | Acquired |
| Jan. 26, 2022 | PLMR | Employee Stock Option (right to buy) | Common Stock (13,464) | $49.53 | Jan. 26, 2032 | 13,464 | Acquired |
| Sept. 8, 2021 | PLMR | Restricted Stock Units | Common Stock (1,213) | $0.00 | — | 1,213 | Disposed |
| July 15, 2021 | PLMR | Performance Share Units (PSUs) | Common Stock (225,000) | — | — | 225,000 | Acquired |
| July 15, 2021 | PLMR | Restricted Stock Units (RSUs) | Common Stock (125,000) | — | — | 125,000 | Acquired |
| March 22, 2021 | PLMR | Employee Stock Option (right to buy) | Common Stock (12,500) | $15.00 | April 16, 2029 | 12,500 | Disposed |
| Feb. 23, 2021 | PLMR | Employee Stock Option (right to buy) | Common Stock (12,500) | $15.00 | April 16, 2029 | 12,500 | Disposed |
| Feb. 1, 2021 | PLMR | Employee Stock Option (Right to Buy) | Common Stock (8,000) | $106.60 | Feb. 1, 2031 | 8,000 | Acquired |
| Jan. 27, 2021 | PLMR | Employee Stock Option (Right to Buy) | Common Stock (10,077) | $97.87 | Jan. 27, 2031 | 10,077 | Acquired |
| Jan. 27, 2021 | PLMR | Restricted Stock Units | Common Stock (7,889) | — | — | 7,889 | Acquired |
| Jan. 21, 2021 | PLMR | Employee Stock Option (right to buy) | Common Stock (12,500) | $15.00 | April 16, 2029 | 12,500 | Disposed |
| Sept. 8, 2020 | PLMR | Restricted Stock Units | Common Stock (3,638) | — | — | 3,638 | Acquired |
| Sept. 8, 2020 | PLMR | Employee Stock Options (right to buy) | Common Stock (3,638) | $98.95 | Sept. 8, 2030 | 3,638 | Acquired |
| April 16, 2019 | PLMR | Employee Stock Option (right to buy) | Common Stock (243,810) | $15.00 | April 16, 2029 | 243,810 | 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 |
|---|---|---|---|---|
| April 16, 2019 | PLMR | Common Stock | 970,388 | Indirect |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
PLMR
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $850,000 | — | $1,308,212 | — | $1,373,258 | — | $9,900 | $3,541,369 |
| 2019 | $500,000 | $1,000,000 | — | $854,554 | $744,916 | — | $14,400 | $3,113,870 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.