Kenneth R Biederman
Insider
First SEC filing: Jan. 28, 2011 · Latest: Jan. 28, 2011
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2025 | ARTNA | J | 1,000 | $37.07 | $37,070 | 0 Direct | -100.00% | Disposed | -10.2% (price as of 2026-10-05) |
| May 6, 2025 | ARTNA | J | 1,000 | $37.07 | $37,070 | 25,875 Direct | +4.02% | Acquired | -10.2% (price as of 2026-10-05) |
| May 9, 2024 | ARTNA | J | 1,000 | $54.88 | $54,880 | 0 Direct | -100.00% | Disposed | -39.3% (price as of 2026-10-05) |
| May 9, 2024 | ARTNA | J | 1,000 | $54.88 | $54,880 | 24,875 Direct | +4.19% | Acquired | -39.3% (price as of 2026-10-05) |
| May 6, 2024 | ARTNA | A | 1,000 | $37.07 | $37,070 | 1,000 Direct | · | Acquired | -10.2% (price as of 2026-10-05) |
| May 9, 2023 | ARTNA | A | 1,000 | $54.88 | $54,880 | 1,000 Direct | · | Acquired | -39.3% (price as of 2026-10-05) |
| May 9, 2023 | ARTNA | A | 1,000 | $54.88 | $54,880 | 1,000 Direct | · | Acquired | -39.3% (price as of 2026-10-05) |
| May 3, 2023 | ARTNA | J | 1,000 | $45.58 | $45,580 | 0 Direct | -100.00% | Disposed | -26.9% (price as of 2026-10-05) |
| May 3, 2023 | ARTNA | J | 1,000 | $45.58 | $45,580 | 23,875 Direct | +4.37% | Acquired | -26.9% (price as of 2026-10-05) |
| Nov. 17, 2022 | ARTNA | X | 3,396 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 17, 2022 | ARTNA | S | 3,396 | $53.08 | $180,260 | 22,875 Direct | -12.93% | Disposed | -37.3% (price as of 2026-10-05) |
| Nov. 17, 2022 | ARTNA | X | 3,396 | $21.86 | $74,237 | 26,271 Direct | +14.85% | Acquired | 52.3% (price as of 2026-10-05) |
| Sept. 16, 2022 | ARTNA | X | 3,354 | · | · | 3,396 Direct | -49.69% | Disposed | (price as of 2026-10-05) |
| Sept. 16, 2022 | ARTNA | S | 3,354 | $57.67 | $193,425 | 22,875 Direct | -12.79% | Disposed | -42.3% (price as of 2026-10-05) |
| Sept. 16, 2022 | ARTNA | X | 3,354 | $21.86 | $73,318 | 26,229 Direct | +14.66% | Acquired | 52.3% (price as of 2026-10-05) |
| May 4, 2022 | ARTNA | J | 1,000 | $40.11 | $40,110 | 0 Direct | -100.00% | Disposed | -17.0% (price as of 2026-10-05) |
| May 4, 2022 | ARTNA | J | 1,000 | $40.11 | $40,110 | 22,875 Direct | +4.57% | Acquired | -17.0% (price as of 2026-10-05) |
| May 3, 2022 | ARTNA | A | 1,000 | $45.58 | $45,580 | 1,000 Direct | · | Acquired | -26.9% (price as of 2026-10-05) |
| March 14, 2022 | ARTNA | X | 6,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 14, 2022 | ARTNA | S | 6,750 | $47.80 | $322,650 | 21,875 Direct | -23.58% | Disposed | -30.3% (price as of 2026-10-05) |
| March 14, 2022 | ARTNA | X | 6,750 | $22.66 | $152,955 | 28,625 Direct | +30.86% | Acquired | 47.0% (price as of 2026-10-05) |
| May 6, 2021 | ARTNA | J | 1,000 | $35.01 | $35,010 | 0 Direct | -100.00% | Disposed | -4.9% (price as of 2026-10-05) |
| May 6, 2021 | ARTNA | J | 1,000 | $35.01 | $35,010 | 21,875 Direct | +4.79% | Acquired | -4.9% (price as of 2026-10-05) |
| May 4, 2021 | ARTNA | A | 1,000 | $40.11 | $40,110 | 1,000 Direct | · | Acquired | -17.0% (price as of 2026-10-05) |
| Dec. 17, 2020 | ARTNA | X | 2,391 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 17, 2020 | ARTNA | S | 2,391 | $38.70 | $92,532 | 20,875 Direct | -10.28% | Disposed | -14.0% (price as of 2026-10-05) |
| Dec. 17, 2020 | ARTNA | X | 2,391 | $19.01 | $45,453 | 23,266 Direct | +11.45% | Acquired | 75.2% (price as of 2026-10-05) |
| Dec. 11, 2020 | ARTNA | X | 984 | · | · | 2,391 Direct | -29.16% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | ARTNA | S | 984 | $39.56 | $38,927 | 20,875 Direct | -4.50% | Disposed | -15.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | ARTNA | X | 984 | $19.01 | $18,706 | 21,859 Direct | +4.71% | Acquired | 75.2% (price as of 2026-10-05) |
| Dec. 9, 2020 | ARTNA | X | 3,375 | · | · | 3,375 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Dec. 9, 2020 | ARTNA | S | 3,375 | $38.78 | $130,882 | 20,875 Direct | -13.92% | Disposed | -14.1% (price as of 2026-10-05) |
| Dec. 9, 2020 | ARTNA | X | 3,375 | $19.01 | $64,159 | 24,250 Direct | +16.17% | Acquired | 75.2% (price as of 2026-10-05) |
| May 28, 2020 | ARTNA | X | 3,375 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 28, 2020 | ARTNA | S | 3,375 | $35.14 | $118,598 | 20,875 Direct | -13.92% | Disposed | -5.2% (price as of 2026-10-05) |
| May 28, 2020 | ARTNA | X | 3,375 | $19.06 | $64,328 | 24,250 Direct | +16.17% | Acquired | 74.7% (price as of 2026-10-05) |
| May 11, 2020 | ARTNA | X | 3,375 | · | · | 3,375 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| May 11, 2020 | ARTNA | S | 3,375 | $35.55 | $119,981 | 20,875 Direct | -13.92% | Disposed | -6.3% (price as of 2026-10-05) |
| May 11, 2020 | ARTNA | X | 3,375 | $19.06 | $64,328 | 24,250 Direct | +16.17% | Acquired | 74.7% (price as of 2026-10-05) |
| May 8, 2020 | ARTNA | J | 1,000 | $36.11 | $36,110 | 0 Direct | -100.00% | Disposed | -7.8% (price as of 2026-10-05) |
| May 8, 2020 | ARTNA | J | 1,000 | $36.11 | $36,110 | 20,875 Direct | +5.03% | Acquired | -7.8% (price as of 2026-10-05) |
| May 6, 2020 | ARTNA | A | 1,000 | $35.01 | $35,010 | 1,000 Direct | · | Acquired | -4.9% (price as of 2026-10-05) |
| May 17, 2019 | ARTNA | S | 1,000 | $35.99 | $35,990 | 19,875 Direct | -4.79% | Disposed | -7.5% (price as of 2026-10-05) |
| May 8, 2019 | ARTNA | A | 1,000 | $36.11 | $36,110 | 1,000 Direct | · | Acquired | -7.8% (price as of 2026-10-05) |
| May 2, 2019 | ARTNA | J | 1,000 | $38.51 | $38,510 | 0 Direct | -100.00% | Disposed | -13.5% (price as of 2026-10-05) |
| May 2, 2019 | ARTNA | J | 1,000 | $38.51 | $38,510 | 20,875 Direct | +5.03% | Acquired | -13.5% (price as of 2026-10-05) |
| March 20, 2019 | ARTNA | X | 2,073 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 20, 2019 | ARTNA | S | 2,073 | $38.45 | $79,707 | 19,875 Direct | -9.45% | Disposed | -13.4% (price as of 2026-10-05) |
| March 20, 2019 | ARTNA | X | 2,073 | $18.61 | $38,579 | 21,948 Direct | +10.43% | Acquired | 78.9% (price as of 2026-10-05) |
| March 18, 2019 | ARTNA | X | 4,677 | · | · | 2,073 Direct | -69.29% | Disposed | (price as of 2026-10-05) |
| March 18, 2019 | ARTNA | S | 4,677 | $39.37 | $184,133 | 19,875 Direct | -19.05% | Disposed | -15.4% (price as of 2026-10-05) |
| March 18, 2019 | ARTNA | X | 4,677 | $18.61 | $87,039 | 24,552 Direct | +23.53% | Acquired | 78.9% (price as of 2026-10-05) |
| Aug. 14, 2018 | ARTNA | S | 1,000 | $37.00 | $37,000 | 19,875 Direct | -4.79% | Disposed | -10.0% (price as of 2026-10-05) |
| May 3, 2018 | ARTNA | J | 1,000 | $38.10 | $38,100 | 0 Direct | -100.00% | Disposed | -12.6% (price as of 2026-10-05) |
| May 3, 2018 | ARTNA | J | 1,000 | $38.10 | $38,100 | 20,875 Direct | +5.03% | Acquired | -12.6% (price as of 2026-10-05) |
| May 2, 2018 | ARTNA | A | 1,000 | $38.51 | $38,510 | 1,000 Direct | · | Acquired | -13.5% (price as of 2026-10-05) |
| March 19, 2018 | ARTNA | X | 6,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 19, 2018 | ARTNA | S | 6,750 | $36.78 | $248,265 | 19,875 Direct | -25.35% | Disposed | -9.5% (price as of 2026-10-05) |
| March 19, 2018 | ARTNA | X | 6,750 | $15.26 | $103,005 | 26,625 Direct | +33.96% | Acquired | 118.2% (price as of 2026-10-05) |
| Nov. 15, 2017 | ARTNA | X | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 15, 2017 | ARTNA | S | 2,000 | $39.05 | $78,100 | 19,875 Direct | -9.14% | Disposed | -14.7% (price as of 2026-10-05) |
| Nov. 15, 2017 | ARTNA | X | 2,000 | $18.43 | $36,860 | 21,875 Direct | +10.06% | Acquired | 80.7% (price as of 2026-10-05) |
| May 10, 2017 | ARTNA | S | 1,000 | $36.00 | $36,000 | 19,875 Direct | -4.79% | Disposed | -7.5% (price as of 2026-10-05) |
| May 4, 2017 | ARTNA | J | 1,000 | $38.30 | $38,300 | 0 Direct | -100.00% | Disposed | -13.1% (price as of 2026-10-05) |
| May 4, 2017 | ARTNA | J | 1,000 | $38.30 | $38,300 | 20,875 Direct | +5.03% | Acquired | -13.1% (price as of 2026-10-05) |
| May 3, 2017 | ARTNA | A | 1,000 | $38.10 | $38,100 | 1,000 Direct | · | Acquired | -12.6% (price as of 2026-10-05) |
| March 15, 2017 | ARTNA | X | 1,750 | · | · | 2,000 Direct | -46.67% | Disposed | (price as of 2026-10-05) |
| March 15, 2017 | ARTNA | S | 1,750 | $33.48 | $58,590 | 19,875 Direct | -8.09% | Disposed | -0.5% (price as of 2026-10-05) |
| March 15, 2017 | ARTNA | X | 1,750 | $18.43 | $32,252 | 21,625 Direct | +8.81% | Acquired | 80.7% (price as of 2026-10-05) |
| March 13, 2017 | ARTNA | X | 3,000 | · | · | 3,750 Direct | -44.44% | Disposed | (price as of 2026-10-05) |
| March 13, 2017 | ARTNA | S | 3,000 | $31.61 | $94,830 | 19,875 Direct | -13.11% | Disposed | 5.3% (price as of 2026-10-05) |
| March 13, 2017 | ARTNA | X | 3,000 | $18.43 | $55,290 | 22,875 Direct | +15.09% | Acquired | 80.7% (price as of 2026-10-05) |
| Dec. 19, 2016 | ARTNA | S | 1,000 | $32.03 | $32,030 | 19,875 Direct | -4.79% | Disposed | 4.0% (price as of 2026-10-05) |
| May 9, 2016 | ARTNA | X | 6,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 9, 2016 | ARTNA | S | 6,750 | $27.94 | $188,595 | 20,875 Direct | -24.43% | Disposed | 19.2% (price as of 2026-10-05) |
| May 9, 2016 | ARTNA | X | 6,750 | $19.56 | $132,030 | 27,625 Direct | +32.34% | Acquired | 70.2% (price as of 2026-10-05) |
| May 4, 2016 | ARTNA | A | 1,000 | $27.70 | $27,700 | 1,000 Direct | · | Acquired | 20.2% (price as of 2026-10-05) |
| Dec. 18, 2015 | ARTNA | A | 1,000 | $27.38 | $27,380 | 20,875 Direct | +5.03% | Acquired | 21.6% (price as of 2026-10-05) |
| Nov. 20, 2015 | ARTNA | X | 3,375 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 20, 2015 | ARTNA | S | 3,375 | $25.25 | $85,219 | 19,875 Direct | -14.52% | Disposed | 31.9% (price as of 2026-10-05) |
| Nov. 20, 2015 | ARTNA | X | 3,375 | $21.11 | $71,246 | 23,250 Direct | +16.98% | Acquired | 57.7% (price as of 2026-10-05) |
| Nov. 11, 2015 | ARTNA | X | 3,375 | · | · | 3,375 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Nov. 11, 2015 | ARTNA | S | 3,375 | $25.00 | $84,375 | 19,875 Direct | -14.52% | Disposed | 33.2% (price as of 2026-10-05) |
| Nov. 11, 2015 | ARTNA | X | 3,375 | $21.11 | $71,246 | 23,250 Direct | +16.98% | Acquired | 57.7% (price as of 2026-10-05) |
| Sept. 17, 2015 | ARTNA | X | 5,625 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 17, 2015 | ARTNA | S | 5,625 | $22.20 | $124,875 | 19,875 Direct | -22.06% | Disposed | 50.0% (price as of 2026-10-05) |
| Sept. 17, 2015 | ARTNA | X | 5,625 | $19.70 | $110,812 | 25,500 Direct | +28.30% | Acquired | 69.0% (price as of 2026-10-05) |
| Aug. 27, 2015 | ARTNA | X | 5,625 | · | · | 5,625 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Aug. 27, 2015 | ARTNA | S | 5,625 | $22.04 | $123,975 | 19,875 Direct | -22.06% | Disposed | 51.1% (price as of 2026-10-05) |
| Aug. 27, 2015 | ARTNA | X | 5,625 | $19.70 | $110,812 | 25,500 Direct | +28.30% | Acquired | 69.0% (price as of 2026-10-05) |
| May 7, 2014 | ARTNA | A | 6,750 | · | · | 6,750 Direct | · | Acquired | (price as of 2026-10-05) |
| March 18, 2014 | ARTNA | X | 6,248 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 18, 2014 | ARTNA | S | 6,248 | $22.10 | $138,081 | 19,875 Direct | -23.92% | Disposed | 50.7% (price as of 2026-10-05) |
| March 18, 2014 | ARTNA | X | 6,248 | $16.13 | $100,780 | 26,123 Direct | +31.44% | Acquired | 106.4% (price as of 2026-10-05) |
| March 17, 2014 | ARTNA | X | 502 | · | · | 6,248 Direct | -7.44% | Disposed | (price as of 2026-10-05) |
| March 17, 2014 | ARTNA | S | 502 | $22.35 | $11,220 | 19,875 Direct | -2.46% | Disposed | 49.0% (price as of 2026-10-05) |
| March 17, 2014 | ARTNA | X | 502 | $16.13 | $8,097 | 20,377 Direct | +2.53% | Acquired | 106.4% (price as of 2026-10-05) |
| May 8, 2013 | ARTNA | A | 6,750 | $22.66 | $152,955 | 6,750 Direct | · | Acquired | 47.0% (price as of 2026-10-05) |
| March 18, 2013 | ARTNA | X | 6,750 | $13.30 | $89,775 | 26,625 Direct | +33.96% | Acquired | 150.4% (price as of 2026-10-05) |
| March 18, 2013 | ARTNA | S | 6,429 | $22.00 | $141,438 | 20,196 Direct | -24.15% | Disposed | 51.4% (price as of 2026-10-05) |
Showing latest 100 of 176 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 |
|---|---|---|---|---|---|---|---|
| May 6, 2025 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 7, 2025 | 1,000 | Disposed |
| May 9, 2024 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 10, 2024 | 1,000 | Disposed |
| May 6, 2024 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 7, 2025 | 1,000 | Acquired |
| May 9, 2023 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 4, 2024 | 1,000 | Acquired |
| May 9, 2023 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 10, 2024 | 1,000 | Acquired |
| May 3, 2023 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 4, 2023 | 1,000 | Disposed |
| Nov. 17, 2022 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $21.86 | May 7, 2024 | 3,396 | Disposed |
| Sept. 16, 2022 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $21.86 | May 7, 2024 | 3,354 | Disposed |
| May 4, 2022 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 5, 2022 | 1,000 | Disposed |
| May 3, 2022 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 4, 2023 | 1,000 | Acquired |
| March 14, 2022 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $22.66 | May 8, 2023 | 6,750 | Disposed |
| May 6, 2021 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 7, 2021 | 1,000 | Disposed |
| May 4, 2021 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 5, 2022 | 1,000 | Acquired |
| Dec. 17, 2020 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.01 | May 9, 2022 | 2,391 | Disposed |
| Dec. 11, 2020 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.01 | May 9, 2022 | 984 | Disposed |
| Dec. 9, 2020 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.01 | May 9, 2022 | 3,375 | Disposed |
| May 28, 2020 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.06 | May 17, 2021 | 3,375 | Disposed |
| May 11, 2020 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.06 | May 17, 2021 | 3,375 | Disposed |
| May 8, 2020 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 8, 2020 | 1,000 | Disposed |
| May 6, 2020 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 7, 2021 | 1,000 | Acquired |
| May 8, 2019 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 8, 2020 | 1,000 | Acquired |
| May 2, 2019 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 3, 2019 | 1,000 | Disposed |
| March 20, 2019 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $18.61 | May 18, 2020 | 2,073 | Disposed |
| March 18, 2019 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $18.61 | May 18, 2020 | 4,677 | Disposed |
| May 3, 2018 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 4, 2018 | 1,000 | Disposed |
| May 2, 2018 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 3, 2019 | 1,000 | Acquired |
| March 19, 2018 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $15.26 | May 19, 2019 | 6,750 | Disposed |
| Nov. 15, 2017 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $18.43 | May 14, 2018 | 2,000 | Disposed |
| May 4, 2017 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 5, 2017 | 1,000 | Disposed |
| May 3, 2017 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 4, 2018 | 1,000 | Acquired |
| March 15, 2017 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $18.43 | May 14, 2018 | 1,750 | Disposed |
| March 13, 2017 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $18.43 | May 14, 2018 | 3,000 | Disposed |
| May 9, 2016 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.56 | May 16, 2017 | 6,750 | Disposed |
| May 4, 2016 | ARTNA | Restricted Stock Grant | Class A Non-voting Common Stock | $0.00 | May 5, 2017 | 1,000 | Acquired |
| Nov. 20, 2015 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $21.11 | May 12, 2016 | 3,375 | Disposed |
| Nov. 11, 2015 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $21.11 | May 12, 2016 | 3,375 | Disposed |
| Sept. 17, 2015 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.70 | Dec. 20, 2015 | 5,625 | Disposed |
| Aug. 27, 2015 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.70 | Dec. 20, 2015 | 5,625 | Disposed |
| May 7, 2014 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $21.86 | May 7, 2024 | 6,750 | Acquired |
| March 18, 2014 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $16.13 | May 26, 2014 | 6,248 | Disposed |
| March 17, 2014 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $16.13 | May 26, 2014 | 502 | Disposed |
| May 8, 2013 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $22.66 | May 8, 2023 | 6,750 | Acquired |
| March 18, 2013 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $13.30 | May 21, 2013 | 6,750 | Disposed |
| May 9, 2012 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.01 | May 9, 2022 | 6,750 | Acquired |
| March 28, 2012 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $12.40 | June 5, 2012 | 5,000 | Disposed |
| March 16, 2012 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $12.40 | June 5, 2012 | 1,750 | Disposed |
| May 17, 2011 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $19.06 | May 17, 2021 | 6,750 | Acquired |
| Nov. 15, 2010 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $9.76 | May 30, 2011 | 3,750 | Disposed |
| Sept. 20, 2010 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $9.76 | May 30, 2011 | 2,800 | Disposed |
| Sept. 17, 2010 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $9.76 | May 30, 2011 | 50 | Disposed |
| Sept. 16, 2010 | ARTNA | Non-qualified Stock Option (Right to Buy) | Class A Non-voting Common Stock | $9.76 | May 30, 2011 | 150 | Disposed |
| May 18, 2010 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $18.61 | May 18, 2020 | 6,750 | Acquired |
| Nov. 11, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $9.28 | May 31, 2010 | 3,375 | Disposed |
| Aug. 28, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $9.28 | May 31, 2010 | 3,375 | Disposed |
| May 19, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $15.26 | May 19, 2019 | 6,750 | Acquired |
| March 23, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.50 | May 18, 2009 | 2,342 | Disposed |
| March 20, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.50 | May 18, 2009 | 908 | Disposed |
| March 19, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.50 | May 18, 2009 | 1,500 | Disposed |
| March 19, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.50 | May 18, 2009 | 500 | Disposed |
| March 16, 2009 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.50 | May 18, 2009 | 1,500 | Disposed |
| May 14, 2008 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $18.43 | May 14, 2018 | 6,750 | Acquired |
| March 19, 2008 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $7.61 | May 27, 2008 | 3,750 | Disposed |
| July 11, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $7.61 | May 27, 2008 | 3,000 | Disposed |
| May 16, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $19.56 | May 16, 2017 | 6,750 | Acquired |
| May 2, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $6.90 | May 28, 2007 | 750 | Disposed |
| April 3, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $6.90 | May 28, 2007 | 1,500 | Disposed |
| March 6, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $6.90 | May 28, 2007 | 1,500 | Disposed |
| Feb. 6, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $6.90 | May 28, 2007 | 1,500 | Disposed |
| Jan. 4, 2007 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $6.90 | May 28, 2007 | 1,500 | Disposed |
| May 12, 2006 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $31.67 | May 12, 2016 | 4,500 | Acquired |
| Dec. 20, 2005 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $29.55 | Dec. 20, 2015 | 7,500 | Acquired |
| May 19, 2005 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $8.47 | May 7, 2006 | 4,500 | Disposed |
| May 26, 2004 | ARTNA | Non-Qualified Stock Option (right to buy) | Class A Non-Voting Common Stock | $24.20 | May 26, 2014 | 4,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).